28985720400

Names of 28985720400

• Cardinal: 28985720400 can be written as Twenty-eight billion, nine hundred eighty-five million, seven hundred twenty thousand, four hundred.

Scientific notation

• Scientific notation: 2.89857204 × 10¹⁰

Factors of 28985720400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 172

Divisors of 28985720400

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 25 26 27 28 29 30 35 36 39 40 42 45 48 50 52 54 56 58 60 63 65 70 72 75 78 80 81 84 87 90 91 100 104 105 108 112 113 116 117 120 126 130 135 140 144 145 150 156 162 168 174 175 180 182 189 195 200 203 208 210 216 225 226 232 234 240 243 252 260 261 270 273 280 290 300 312 315 324 325 336 339 348 350 351 360 364 377 378 390 400 405 406 420 432 435 450 452 455 464 468 486 504 520 522 525 540 546 560 565 567 580 585 600 609 624 630 648 650 675 678 696 700 702 720 725 728 754 756 780 783 791 810 812 819 840 870 900 904 910 936 945 972 975 1008 1015 1017 1040 1044 1050 1053 1080 1092 1130 1131 1134 1160 1170 1200 1215 1218 1260 1296 1300 1305 1350 1356 1365 1392 1400 1404 1450 1456 1469 1508 1512 1560 1566 1575 1582 1620 1624 1638 1680 1695 1701 1740 1755 1800 1808 1820 1827 1872 1885 1890 1944 1950 2025 2030 2034 2088 2100 2106 2160 2175 2184 2260 2262 2268 2275 2320 2340 2349 2373 2430 2436 2457 2520 2600 2610 2639 2700 2712 2730 2800 2808 2825 2835 2900 2925 2938 3016 3024 3045 3051 3120 3132 3150 3159 3164 3240 3248 3276 3277 3390 3393 3402 3480 3510 3600 3640 3654 3770 3780 3888 3900 3915 3955 4050 4060 4068 4095 4176 4200 4212 4350 4368 4407 4520 4524 4536 4550 4680 4698 4725 4746 4860 4872 4914 5040 5075 5085 5200 5220 5265 5278 5400 5424 5460 5481 5616 5650 5655 5670 5800 5850 5876 6032 6075 6090 6102 6264 6300 6318 6328 6480 6525 6552 6554 6780 6786 6804 6825 6960 7020 7047 7119 7280 7308 7345 7371 7540 7560 7800 7830 7910 7917 8100 8120 8136 8190 8400 8424 8475 8505 8700 8775 8814 9040 9048 9072 9100 9135 9153 9360 9396 9425 9450 9492 9720 9744 9828 9831 10150 10170 10179 10283 10440 10530 10556 10800 10920 10962 11300 11310 11340 11600 11700 11745 11752 11865 12150 12180 12204 12285 12528 12600 12636 12656 13050 13104 13108 13195 13221 13560 13572 13608 13650 14040 14094 14175 14238 14616 14690 14742 15080 15120 15225 15255 15600 15660 15795 15820 15834 16200 16240 16272 16380 16385 16443 16848 16950 16965 17010 17400 17550 17628 18096 18200 18270 18306 18792 18850 18900 18984 19440 19575 19656 19662 19775 20300 20340 20358 20475 20566 20880 21060 21112 21357 21840 21924 22035 22113 22600 22620 22680 22939 23400 23490 23504 23730 23751 24300 24360 24408 24570 25200 25272 25425 26100 26216 26325 26390 26442 27120 27144 27216 27300 27405 27459 28080 28188 28275 28350 28476 29232 29380 29484 29493 30160 30450 30510 30537 30849 31320 31590 31640 31668 32400 32760 32770 32886 33900 33930 34020 34800 35100 35235 35256 35595 36400 36540 36612 36725 36855 37584 37700 37800 37968 39150 39312 39324 39550 39585 39663 40600 40680 40716 40950 41132 42120 42224 42525 42601 42714 43848 44070 44226 45200 45240 45360 45675 45765 45878 46800 46980 47460 47502 48600 48720 48816 49140 49155 49329 50544 50850 50895 51415 52200 52432 52650 52780 52884 54288 54600 54810 54918 56376 56550 56700 56952 58725 58760 58968 58986 59325 60900 61020 61074 61425 61698 62640 63180 63280 63336 64071 65520 65540 65772 65975 66105 67800 67860 68040 68817 70200 70470 70512 71190 71253 73080 73224 73450 73710 75400 75600 76275 78300 78648 78975 79100 79170 79326 81200 81360 81432 81900 81925 82215 82264 84240 84825 85050 85202 85428 87696 88140 88452 88479 90480 91350 91530 91611 91756 92547 93960 94920 95004 97200 98280 98310 98658 101700 101790 102830 104400 105300 105560 105768 106785 109200 109620 109836 110175 110565 112752 113100 113400 113904 114695 117450 117520 117936 117972 118650 118755 118989 121800 122040 122148 122850 123396 126360 126672 127803 128142 131080 131544 131950 132210 135600 135720 136080 137025 137295 137634 140400 140940 142380 142506 146160 146448 146900 147420 147465 150800 152550 152685 154245 156600 157296 157950 158200 158340 158652 162864 163800 163850 164430 164528 169650 170100 170404 170856 176175 176280 176904 176958 177975 182700 183060 183222 183512 184275 185094 187920 189840 190008 192213 196560 196620 197316 197925 198315 203400 203580 205660 206451 210600 211120 211536 213005 213570 213759 219240 219672 220350 221130 226200 226800 228825 229390 234900 235944 237300 237510 237978 243600 244080 244296 245700 245775 246645 246792 252720 254475 255606 256284 257075 262160 263088 263900 264420 265437 271440 274050 274590 275268 277641 281880 284760 285012 293800 294840 294930 298207 305100 305370 308490 313200 315900 316400 316680 317304 320355 327600 327700 328860 330525 339300 340200 340808 341712 344085 352350 352560 353808 353916 355950 356265 356967 365400 366120 366444 367024 368550 370188 380016 383409 384426 393240 394632 395850 396630 406800 407160 411075 411320 412902 421200 426010 427140 427518 438480 439344 440700 442260 442395 452400 457650 458055 458780 462735 469800 471888 474600 475020 475956 488592 491400 491550 493290 493584 508950 511212 512568 514150 527800 528840 530874 533925 548100 549180 550536 552825 555282 563760 569520 570024 573475 587600 589680 589860 593775 594945 596414 610200 610740 616980 619353 631800 633360 634608 639015 640710 641277 655400 657720 661050 678600 680400 681616 686475 688170 704700 707832 711900 712530 713934 730800 732240 732888 737100 737325 740376 763425 766818 768852 771225 786480 789264 791700 793260 796311 814320 822150 822640 825804 832923 852020 854280 855036 881400 884520 884790 894621 915300 916110 917560 925470 939600 949200 950040 951912 961065 982800 983100 986580 991575 1017900 1022424 1025136 1028300 1032255 1055600 1057680 1061748 1065025 1067850 1068795 1096200 1098360 1101072 1105650 1110564 1140048 1146950 1150227 1179720 1187550 1189890 1192828 1220400 1221480 1233225 1233960 1238706 1263600 1278030 1281420 1282554 1310800 1315440 1322100 1327185 1357200 1372950 1376340 1388205 1409400 1415664 1423800 1425060 1427868 1465776 1474200 1474650 1480752 1491035 1526850 1533636 1537704 1542450 1583400 1586520 1592622 1601775 1644300 1651608 1665846 1704040 1708560 1710072 1720425 1762800 1769040 1769580 1781325 1784835 1789242 1830600 1832220 1835120 1850940 1858059 1900080 1903824 1917045 1922130 1966200 1973160 1983150 2035800 2044848 2056600 2064510 2123496 2130050 2135700 2137590 2192400 2196720 2211300 2211975 2221128 2290275 2293900 2300454 2313675 2359440 2375100 2379780 2385656 2442960 2466450 2467920 2477412 2498769 2556060 2562840 2565108 2644200 2654370 2683863 2745900 2752680 2776410 2818800 2847600 2850120 2855736 2948400 2949300 2974725 2982070 3053700 3067272 3075408 3084900 3096765 3166800 3173040 3185244 3195075 3203550 3206385 3288600 3303216 3331692 3408080 3420144 3440850 3450681 3539160 3562650 3569670 3578484 3661200 3664440 3701880 3716118 3834090 3844260 3932400 3946320 3966300 3981555 4071600 4113200 4129020 4164615 4246992 4260100 4271400 4275180 4422600 4423950 4442256 4473105 4580550 4587800 4600908 4627350 4750200 4759560 4771312 4805325 4932900 4954824 4997538 5112120 5125680 5130216 5161275 5288400 5308740 5343975 5367726 5491800 5505360 5552820 5574177 5700240 5711472 5751135 5898600 5949450 5964140 6107400 6134544 6169800 6193530 6370488 6390150 6407100 6412770 6577200 6635925 6663384 6881700 6901362 6941025 7078320 7125300 7139340 7156968 7328880 7403760 7432236 7455175 7668180 7688520 7932600 7963110 8051589 8258040 8329230 8520200 8542800 8550360 8845200 8847900 8924175 8946210 9161100 9175600 9201816 9254700 9290295 9500400 9519120 9585225 9610650 9865800 9909648 9995076 10224240 10260432 10322550 10352043 10617480 10687950 10735452 10983600 11105640 11148354 11502270 11797200 11898900 11928280 12214800 12339600 12387060 12493845 12740976 12780300 12814200 12825540 13271850 13326768 13419315 13763400 13802724 13882050 14250600 14278680 14313936 14864472 14910350 15336360 15377040 15483825 15865200 15926220 16031925 16103178 16516080 16658460 17040400 17100720 17253405 17695800 17848350 17892420 18322200 18403632 18509400 18580590 19170450 19221300 19731600 19907775 19990152 20645100 20704086 20823075 21234960 21375900 21470904 22211280 22296708 22365525 23004540 23797800 23856560 24154767 24774120 24987690 25560600 25628400 25651080 26543700 26838630 27526800 27605448 27764100 27870885 28501200 28557360 28755675 29728944 29820700 30672720 30967650 31852440 32063850 32206356 33316920 34506810 35391600 35696700 35784840 36644400 37018800 37161180 38340900 38442600 39815550 39980304 40257945 41290200 41408172 41646150 42751800 42941808 44593416 44731050 46009080 46451475 47595600 48309534 49548240 49975380 51121200 51302160 51760215 53087400 53677260 55210896 55528200 55741770 57511350 59641400 61935300 62469225 63704880 64127700 64412712 66633840 67096575 69013620 71393400 71569680 72464301 74322360 76681800 76885200 79631100 80515890 82580400 82816344 83292300 85503600 86267025 89186832 89462100 92018160 92902950 96619068 99950760 103520430 106174800 107354520 111056400 111483540 115022700 119282800 120773835 123870600 124938450 128255400 128825424 134193150 138027240 139354425 142786800 144928602 148644720 153363600 159262200 161031780 165632688 166584600 172534050 178924200 185805900 193238136 199901520 201289725 207040860 214709040 222967080 230045400 241547670 247741200 249876900 256510800 258801075 268386300 276054480 278708850 289857204 318524400 322063560 333169200 345068100 357848400 362321505 371611800 386476272 402579450 414081720 445934160 460090800 483095340 499753800 517602150 536772600 557417700 579714408 603869175 644127120 690136200 724643010 743223600 805158900 828163440 966190680 999507600 1035204300 1073545200 1114835400 1159428816 1207738350 1380272400 1449286020 1610317800 1811607525 1932381360 2070408600 2229670800 2415476700 2898572040 3220635600 3623215050 4140817200 4830953400 5797144080 7246430100 9661906800 14492860200 28985720400
• Sum of all divisors σ(n): 133988924160
• Sum of proper divisors (its aliquot sum) s(n): 105003203760
• 28985720400 is an abundant number, because the sum of its proper divisors (105003203760) is greater than itself. Its abundance is 76017483360

Bases of 28985720400

• Binary: 11010111111101011101111111001010000₂
• Hexadecimal: 0x6BFAEFE50
• Base-36: DBDCL00

Squares and roots of 28985720400

• 28985720400 squared (28985720400²) is 840171987106976160000
• 28985720400 cubed (28985720400³) is 24352990306195215863225664000000
• The square root of 28985720400 is 170251.9321476265
• The cube root of 28985720400 is 3071.8124732941

Scales and comparisons

• 28,985,720,400 seconds is equal to 921 years, 34 weeks, 21 hours.
• To count from 1 to 28,985,720,400 would take you about one thousand, eight hundred forty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28985720400 cubic inches would be around 256 feet tall.

Recreational maths with 28985720400

• 28985720400 backwards is 00402758982
• 28985720400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28985720400's digits is 45
• More coming soon!