28990465920

Names of 28990465920

• Cardinal: 28990465920 can be written as Twenty-eight billion, nine hundred ninety million, four hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.899046592 × 10¹⁰

Factors of 28990465920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 258

Divisors of 28990465920

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 23 24 26 27 30 31 32 36 39 40 45 46 48 52 54 60 62 64 65 69 72 78 80 90 92 93 96 104 108 115 117 120 124 128 130 135 138 144 155 156 160 180 181 184 186 192 195 207 208 216 230 234 240 248 260 270 276 279 288 299 310 312 320 345 351 360 362 368 372 384 390 403 414 416 432 460 465 468 480 496 520 540 543 552 558 576 585 598 620 621 624 640 690 702 713 720 724 736 744 780 806 828 832 837 864 897 905 920 930 936 960 992 1035 1040 1080 1086 1104 1116 1152 1170 1196 1209 1240 1242 1248 1380 1395 1404 1426 1440 1448 1472 1488 1495 1560 1612 1629 1656 1664 1674 1728 1755 1794 1810 1840 1860 1872 1920 1984 2015 2070 2080 2139 2160 2172 2208 2232 2340 2353 2392 2418 2480 2484 2496 2691 2715 2760 2790 2808 2852 2880 2896 2944 2976 2990 3105 3120 3224 3258 3312 3348 3456 3510 3565 3588 3620 3627 3680 3720 3744 3968 4030 4140 4160 4163 4185 4278 4320 4344 4416 4464 4485 4680 4706 4784 4836 4887 4960 4968 4992 5382 5430 5520 5580 5611 5616 5704 5760 5792 5952 5980 6045 6210 6240 6417 6448 6516 6624 6696 7020 7059 7130 7176 7240 7254 7360 7440 7488 8060 8073 8145 8280 8320 8326 8370 8556 8640 8688 8832 8928 8970 9269 9360 9412 9568 9672 9774 9920 9936 10695 10764 10860 10881 11040 11160 11222 11232 11408 11584 11765 11904 11960 12090 12420 12480 12489 12834 12896 13032 13248 13392 13455 14040 14118 14260 14352 14480 14508 14720 14880 14976 16120 16146 16290 16560 16652 16740 16833 17112 17280 17376 17856 17940 18135 18538 18720 18824 19136 19251 19344 19548 19840 19872 20815 21177 21390 21528 21720 21762 22080 22320 22444 22464 22816 23168 23530 23920 24180 24435 24840 24960 24978 25668 25792 26064 26496 26784 26910 27807 28055 28080 28236 28520 28704 28960 29016 29760 32085 32240 32292 32580 33120 33304 33480 33666 34224 34752 35295 35712 35880 36270 37076 37440 37467 37648 38272 38502 38688 39096 39744 40365 41630 42354 42780 43056 43440 43524 44160 44640 44888 44928 45632 46345 47060 47840 48360 48870 49680 49956 50499 51336 51584 52128 53568 53820 54119 54405 55614 56110 56160 56472 57040 57408 57920 58032 59520 62445 63531 64170 64480 64584 65160 66240 66608 66960 67332 68448 69504 70590 71760 72540 72943 74152 74880 74934 75296 77004 77376 78192 79488 80730 83260 83421 84165 84708 85560 86112 86880 87048 89280 89776 91264 92690 94120 95680 96255 96720 97740 99360 99912 100998 102672 104256 105885 107136 107640 108238 108810 111228 112220 112320 112401 112944 114080 114816 115840 116064 124890 127062 128340 128960 129053 129168 130320 132480 133216 133920 134664 136896 139035 141180 143520 145080 145886 148304 149868 150592 151497 154008 154752 156384 161460 162357 166520 166842 168330 169416 171120 172224 173760 174096 178560 179552 185380 187335 188240 191360 192510 193440 195480 198720 199824 201996 205344 208512 211770 215280 216476 217620 218829 222456 224440 224640 224802 225888 228160 232128 249780 250263 252495 254124 256680 257920 258106 258336 260640 266432 267840 269328 270595 273792 278070 282360 287040 290160 291772 296608 299736 301184 302994 308016 312768 317655 322920 324714 333040 333684 336660 338832 342240 344448 347520 348192 359104 364715 370760 374670 376480 385020 386880 387159 390960 397440 399648 403992 410688 417105 423540 430560 432952 435240 437658 444912 448880 449604 451776 456320 464256 487071 499560 500526 504990 508248 513360 516212 516672 521280 532864 535680 538656 541190 556140 562005 564720 574080 580320 583544 593216 599472 605988 616032 625536 635310 645265 645840 649428 656487 666080 667368 673320 677664 684480 696384 718208 729430 741520 749340 752960 757485 770040 773760 774318 781920 799296 807984 811785 821376 834210 847080 861120 865904 870480 875316 889824 897760 899208 903552 974142 999120 1001052 1009980 1016496 1026720 1032424 1033344 1042560 1077312 1082380 1094145 1112280 1124010 1129440 1160640 1161477 1167088 1186432 1198944 1211976 1232064 1251315 1270620 1290530 1291680 1298856 1312974 1332160 1334736 1346640 1355328 1368960 1392768 1458860 1461213 1483040 1498680 1505920 1514970 1540080 1548636 1563840 1598592 1615968 1623570 1668420 1677689 1694160 1722240 1731808 1740960 1750632 1779648 1795520 1798416 1935795 1948284 1969461 1998240 2002104 2019960 2032992 2053440 2064848 2154624 2164760 2188290 2224560 2248020 2258880 2321280 2322954 2334176 2397888 2423952 2435355 2464128 2502630 2541240 2581060 2583360 2597712 2625948 2664320 2669472 2693280 2710656 2917720 2922426 2966080 2997360 3029940 3080160 3097272 3127680 3231936 3247140 3282435 3336840 3355378 3388320 3463616 3481920 3484431 3501264 3559296 3591040 3596832 3871590 3896568 3938922 3996480 4004208 4039920 4065984 4106880 4129696 4329520 4376580 4449120 4496040 4517760 4645908 4668352 4795776 4847904 4870710 5005260 5033067 5082480 5162120 5166720 5195424 5251896 5338944 5386560 5807385 5835440 5844852 5932160 5994720 6059880 6160320 6194544 6463872 6494280 6564870 6673680 6710756 6776640 6927232 6963840 6968862 7002528 7193664 7306065 7743180 7793136 7877844 7992960 8008416 8079840 8131968 8259392 8388445 8659040 8753160 8898240 8992080 9291816 9336704 9695808 9741420 9847305 10010520 10066134 10164960 10324240 10390848 10503792 10677888 10773120 11614770 11670880 11689704 11989440 12119760 12320640 12389088 12988560 13129740 13347360 13421512 13553280 13937724 14005056 14387328 14612130 15099201 15486360 15586272 15755688 16016832 16159680 16518784 16776890 17318080 17422155 17506320 17796480 17984160 18583632 19391616 19482840 19694610 20021040 20132268 20329920 20648480 20781696 21007584 23229540 23341760 23379408 23978880 24239520 24778176 25165335 25977120 26259480 26694720 26843024 27875448 28010112 29224260 30198402 30972720 31172544 31511376 32033664 32319360 33553780 34636160 34844310 35012640 35968320 37167264 38965680 39389220 40042080 40264536 40659840 41296960 42015168 45297603 46459080 46683520 46758816 48479040 49556352 50330670 51954240 52518960 53389440 53686048 55750896 58448520 60396804 61945440 62345088 63022752 67107560 69688620 70025280 71936640 74334528 75496005 77931360 78778440 80084160 80529072 82593920 84030336 90595206 92918160 93517632 96958080 100661340 103908480 105037920 107372096 111501792 116897040 120793608 123890880 126045504 134215120 139377240 140050560 148669056 150992010 155862720 157556880 160168320 161058144 181190412 185836320 187035264 201322680 210075840 214744192 223003584 226488015 233794080 241587216 247781760 252091008 268430240 278754480 301984020 311725440 315113760 322116288 362380824 371672640 402645360 420151680 446007168 452976030 467588160 483174432 536860480 557508960 603968040 630227520 644232576 724761648 743345280 805290720 905952060 935176320 966348864 1073720960 1115017920 1207936080 1260455040 1449523296 1610581440 1811904120 1932697728 2230035840 2415872160 2899046592 3221162880 3623808240 4831744320 5798093184 7247616480 9663488640 14495232960 28990465920
• Sum of all divisors σ(n): 119760076800
• Sum of proper divisors (its aliquot sum) s(n): 90769610880
• 28990465920 is an abundant number, because the sum of its proper divisors (90769610880) is greater than itself. Its abundance is 61779144960

Bases of 28990465920

• Binary: 11010111111111101110110011110000000₂
• Hexadecimal: 0x6BFF76780
• Base-36: DBG6AO0

Squares and roots of 28990465920

• 28990465920 squared (28990465920²) is 840447114258681446400
• 28990465920 cubed (28990465920³) is 24364953423478650535995506688000
• The square root of 28990465920 is 170265.8683353771
• The cube root of 28990465920 is 3071.9801024101

Scales and comparisons

• 28,990,465,920 seconds is equal to 921 years, 41 weeks, 6 days, 19 hours, 12 minutes.
• To count from 1 to 28,990,465,920 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 28990465920 cubic inches would be around 256 feet tall.

Recreational maths with 28990465920

• 28990465920 backwards is 02956409982
• 28990465920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28990465920's digits is 54
• More coming soon!