28019529720

Names of 28019529720

• Cardinal: 28019529720 can be written as Twenty-eight billion, nineteen million, five hundred twenty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.801952972 × 10¹⁰

Factors of 28019529720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 172

Divisors of 28019529720

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 27 28 29 30 35 36 39 40 42 45 52 54 56 58 60 63 65 70 72 78 81 84 87 90 91 104 105 108 113 116 117 120 126 130 135 140 145 156 162 168 174 180 182 189 195 203 210 216 226 232 234 252 260 261 270 273 280 290 312 315 324 339 348 351 360 364 377 378 390 405 406 420 435 452 455 468 504 520 522 540 546 565 567 580 585 609 630 648 678 696 702 728 754 756 780 783 791 810 812 819 840 841 870 904 910 936 945 1015 1017 1044 1053 1080 1092 1130 1131 1134 1160 1170 1218 1260 1305 1356 1365 1404 1469 1508 1512 1560 1566 1582 1620 1624 1638 1682 1695 1740 1755 1820 1827 1885 1890 2030 2034 2088 2106 2184 2260 2262 2268 2340 2349 2373 2436 2457 2520 2523 2610 2639 2712 2730 2808 2835 2938 3016 3045 3051 3132 3164 3240 3276 3277 3364 3390 3393 3480 3510 3640 3654 3770 3780 3915 3955 4060 4068 4095 4205 4212 4407 4520 4524 4536 4680 4698 4746 4872 4914 5046 5085 5220 5265 5278 5460 5481 5655 5670 5876 5887 6090 6102 6264 6328 6552 6554 6728 6780 6786 7020 7119 7308 7345 7371 7540 7560 7569 7830 7910 7917 8120 8136 8190 8410 8424 8814 9048 9135 9153 9396 9492 9828 9831 10092 10170 10179 10283 10440 10530 10556 10920 10933 10962 11310 11340 11745 11752 11774 11865 12180 12204 12285 12615 13108 13195 13221 13560 13572 14040 14238 14616 14690 14742 15080 15138 15255 15660 15820 15834 16380 16385 16443 16820 16965 17628 17661 18270 18306 18792 18984 19656 19662 20184 20340 20358 20566 21060 21112 21357 21866 21924 22035 22620 22680 22707 22939 23490 23548 23730 23751 24360 24408 24570 25230 26216 26390 26442 27144 27405 28476 29380 29435 29484 29493 30276 30510 30537 30849 31320 31640 31668 32760 32770 32799 32886 33640 33930 35256 35322 35595 36540 36612 36855 37845 39324 39585 39663 40680 40716 41132 42120 42601 42714 43732 43848 44070 45240 45414 45765 45878 46980 47096 47460 47502 49140 49155 50460 50895 51415 52780 52884 52983 54665 54810 56952 58760 58870 58968 58986 60552 61020 61074 61698 63336 64071 65540 65598 65772 66105 67860 68121 68817 70644 71190 71253 73080 73224 73710 75690 76531 78648 79170 79326 81432 82215 82264 85202 85428 87464 88140 88305 88479 90828 91530 91756 92547 93960 94920 95004 95033 98280 98310 98397 100920 101790 102830 105560 105768 105966 106785 109330 109620 113535 114695 117740 117972 118755 118989 122040 122148 123396 127803 128142 131080 131196 131544 132210 135720 136242 137634 141288 142380 142506 147420 147465 151380 152685 153062 154245 158340 158652 158949 163995 164430 170404 170856 176280 176610 176958 181656 183060 183512 185094 190008 190066 196620 196794 198315 203580 205660 206451 211932 213005 213570 213759 218660 219240 227070 229390 229593 235480 235944 237510 237978 244296 246792 255606 256284 262392 264420 264915 265437 272484 275268 277641 284760 285012 285099 294840 294930 295191 298207 302760 305370 306124 308490 316680 317304 317898 320355 327990 328860 340605 340808 344085 353220 353916 356265 366120 370188 380132 382655 383409 393240 393588 396630 407160 411320 412902 423864 426010 427140 427518 437320 442395 454140 458780 459186 462735 475020 475165 475956 476847 491985 511212 512568 528840 529830 530874 544968 550536 555282 570024 570198 589860 590382 594945 596414 610740 612248 616980 619353 635796 639015 640710 655980 657720 665231 681210 688170 688779 706440 707832 712530 740376 760264 765310 766818 787176 793260 794745 825804 832923 852020 854280 855036 855297 884790 885573 894621 908280 917560 918372 925470 950040 950330 951912 953694 983970 1022424 1032255 1059660 1061748 1068795 1110564 1140396 1147965 1150227 1179720 1180764 1189890 1192828 1221480 1233960 1235429 1238706 1271592 1278030 1281420 1311960 1327185 1330462 1362420 1376340 1377558 1388205 1425060 1425495 1475955 1491035 1530620 1533636 1586520 1589490 1651608 1665846 1704040 1710072 1710594 1769580 1771146 1789242 1836744 1850940 1858059 1900660 1907388 1917045 1967940 1995693 2064510 2066337 2119320 2123496 2137590 2221128 2280792 2295930 2300454 2361528 2379780 2384235 2385656 2470858 2477412 2556060 2562840 2565891 2654370 2660924 2683863 2724840 2752680 2755116 2776410 2850120 2850990 2951910 2982070 3061240 3067272 3096765 3178980 3326155 3331692 3421188 3443895 3450681 3539160 3542292 3578484 3701880 3706287 3716118 3801320 3814776 3834090 3935880 3991386 4129020 4132674 4164615 4275180 4276485 4427865 4473105 4591860 4600908 4759560 4768470 4941716 4954824 5112120 5131782 5308740 5321848 5367726 5510232 5552820 5701980 5751135 5903820 5964140 5987079 6177145 6193530 6199011 6357960 6652310 6663384 6842376 6887790 6901362 7084584 7156968 7412574 7432236 7668180 7697673 7982772 8051589 8258040 8265348 8329230 8550360 8552970 8648003 8855730 8946210 9183720 9201816 9290295 9536940 9883432 9978465 10263564 10331685 10617480 10735452 11105640 11118861 11403960 11502270 11807640 11928280 11974158 12354290 12387060 12398022 12829455 13304620 13419315 13775580 13802724 14825148 14864472 15336360 15395346 15965544 16103178 16530696 16658460 17105940 17253405 17296006 17711460 17892420 17961237 18531435 18580590 19073880 19956930 20527128 20663370 21470904 22237722 23004540 23948316 24154767 24708580 24774120 24796044 25658910 25944009 26609240 26838630 27551160 27605448 29650296 29935395 30790692 30995055 32206356 33316920 33356583 34211880 34506810 34592012 35422920 35784840 35922474 37062870 37161180 38488365 39913860 40257945 41326740 43240015 44475444 46009080 47896632 48309534 49417160 49592088 51317820 51888018 53677260 53883711 55594305 59870790 61581384 61990110 64412712 66713166 69013620 69184024 71844948 74125740 74322360 76976730 77832027 79827720 80515890 82653480 86480030 88950888 89806185 96619068 100069749 102635640 103776036 107354520 107767422 111188610 119741580 120773835 123980220 129720045 133426332 138027240 143689896 148251480 153953460 155664054 161031780 166782915 172960060 179612370 193238136 200139498 207552072 215534844 222377220 233496081 239483160 241547670 247960440 259440090 266852664 269418555 307906920 311328108 322063560 333565830 345920120 359224740 389160135 400278996 431069688 444754440 466992162 483095340 500348745 518880180 538837110 622656216 667131660 700488243 718449480 778320270 800557992 933984324 966190680 1000697490 1037760360 1077674220 1167480405 1334263320 1400976486 1556640540 1867968648 2001394980 2155348440 2334960810 2801952972 3113281080 3502441215 4002789960 4669921620 5603905944 7004882430 9339843240 14009764860 28019529720
• Sum of all divisors σ(n): 121106905920
• Sum of proper divisors (its aliquot sum) s(n): 93087376200
• 28019529720 is an abundant number, because the sum of its proper divisors (93087376200) is greater than itself. Its abundance is 65067846480

Bases of 28019529720

• Binary: 11010000110000110000001011111111000₂
• Hexadecimal: 0x6861817F8
• Base-36: CVE3RI0

Squares and roots of 28019529720

• 28019529720 squared (28019529720²) is 785094045729963278400
• 28019529720 cubed (28019529720³) is 21997965947325745173637434048000
• The square root of 28019529720 is 167390.3513348367
• The cube root of 28019529720 is 3037.2948046113

Scales and comparisons

• 28,019,529,720 seconds is equal to 890 years, 48 weeks, 4 days, 2 hours, 42 minutes.
• To count from 1 to 28,019,529,720 would take you about one thousand, seven hundred eighty-one 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 28019529720 cubic inches would be around 253.1 feet tall.

Recreational maths with 28019529720

• 28019529720 backwards is 02792591082
• 28019529720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28019529720's digits is 45
• More coming soon!