28970689609728

Names of 28970689609728

• Cardinal: 28970689609728 can be written as Twenty-eight trillion, nine hundred seventy billion, six hundred eighty-nine million, six hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8970689609728 × 10¹³

Factors of 28970689609728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 1693

Divisors of 28970689609728

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 67 72 81 96 108 128 134 144 162 192 201 216 243 256 268 288 324 384 402 432 486 512 536 576 603 648 768 804 864 972 1024 1072 1152 1206 1296 1536 1608 1621 1728 1809 1944 2048 2144 2304 2412 2592 3072 3216 3242 3456 3618 3888 4096 4288 4489 4608 4824 4863 5184 5427 6144 6432 6484 6912 7236 7776 8192 8576 8978 9216 9648 9726 10368 10854 12288 12864 12968 13467 13824 14472 14589 15552 16281 16384 17152 17956 18432 19296 19452 20736 21708 24576 25728 25936 26934 27648 28944 29178 31104 32562 34304 35912 36864 38592 38904 40401 41472 43416 43767 49152 51456 51872 53868 55296 57888 58356 62208 65124 68608 71824 73728 77184 77808 80802 82944 86832 87534 102912 103744 107736 108607 110592 115776 116712 121203 124416 130248 131301 137216 143648 147456 154368 155616 161604 165888 173664 175068 205824 207488 215472 217214 221184 231552 233424 242406 248832 260496 262602 274432 287296 308736 311232 323208 325821 331776 347328 350136 363609 393903 411648 414976 430944 434428 442368 463104 466848 484812 497664 520992 525204 548864 574592 617472 622464 646416 651642 663552 694656 700272 727218 787806 823296 829952 861888 868856 926208 933696 969624 977463 995328 1041984 1050408 1090827 1097728 1149184 1234944 1244928 1292832 1303284 1327104 1389312 1400544 1454436 1575612 1646592 1659904 1723776 1737712 1852416 1867392 1939248 1954926 1990656 2083968 2100816 2181654 2298368 2469888 2489856 2585664 2606568 2778624 2801088 2908872 2932389 3151224 3293184 3319808 3447552 3475424 3704832 3734784 3878496 3909852 3981312 4167936 4201632 4363308 4596736 4939776 4979712 5171328 5213136 5557248 5602176 5817744 5864778 6302448 6639616 6895104 6950848 7276669 7409664 7469568 7756992 7819704 8335872 8403264 8726616 8797167 9193472 9879552 9959424 10342656 10426272 11114496 11204352 11635488 11729556 12604896 13279232 13790208 13901696 14553338 14819328 14939136 15513984 15639408 16671744 16806528 17453232 17594334 18386944 19918848 20685312 20852544 21830007 22228992 22408704 23270976 23459112 25209792 26391501 26558464 27580416 27803392 29106676 29638656 29878272 31027968 31278816 33343488 33613056 34906464 35188668 36773888 39837696 41370624 41705088 43660014 44457984 44817408 46541952 46918224 50419584 52783002 55160832 55606784 58213352 59756544 62055936 62557632 65490021 66686976 67226112 69812928 70377336 73547776 79675392 82741248 83410176 87320028 88915968 89634816 93083904 93836448 100839168 105566004 110321664 111213568 116426704 119513088 124111872 125115264 130980042 133373952 134452224 139625856 140754672 165482496 166820352 174640056 179269632 186167808 187672896 196470063 201678336 211132008 220643328 222427136 232853408 239026176 248223744 250230528 261960084 266747904 268904448 279251712 281509344 330964992 333640704 349280112 358539264 372335616 375345792 392940126 403356672 422264016 444854272 465706816 496447488 500461056 523920168 537808896 558503424 563018688 589410189 661929984 667281408 698560224 717078528 744671232 750691584 785880252 806713344 844528032 889708544 931413632 992894976 1000922112 1047840336 1075617792 1117006848 1126037376 1178820378 1334562816 1397120448 1489342464 1501383168 1571760504 1613426688 1689056064 1768230567 1779417088 1862827264 1985789952 2001844224 2095680672 2151235584 2234013696 2252074752 2357640756 2669125632 2794240896 2978684928 3002766336 3143521008 3226853376 3378112128 3536461134 3725654528 4003688448 4191361344 4468027392 4504149504 4715281512 5338251264 5588481792 5957369856 6005532672 6287042016 6453706752 6756224256 7072922268 7451309056 8007376896 8382722688 8936054784 9008299008 9430563024 11176963584 12011065344 12574084032 13512448512 14145844536 14902618112 16014753792 16765445376 17872109568 18016598016 18861126048 22353927168 24022130688 25148168064 27024897024 28291689072 29805236224 33530890752 36033196032 37722252096 44707854336 48044261376 50296336128 54049794048 56583378144 59610472448 67061781504 72066392064 75444504192 89415708672 100592672256 108099588096 113166756288 119220944896 134123563008 144132784128 150889008384 178831417344 201185344512 216199176192 226333512576 268247126016 301778016768 357662834688 402370689024 432398352384 452667025152 536494252032 603556033536 804741378048 905334050304 1072988504064 1207112067072 1609482756096 1810668100608 2414224134144 3218965512192 3621336201216 4828448268288 7242672402432 9656896536576 14485344804864 28970689609728
• Sum of all divisors σ(n): 88159261451352
• Sum of proper divisors (its aliquot sum) s(n): 59188571841624
• 28970689609728 is an abundant number, because the sum of its proper divisors (59188571841624) is greater than itself. Its abundance is 30217882231896

Bases of 28970689609728

• Binary: 110100101100101000011101010011100000000000000₂
• Hexadecimal: 0x1A5943A9C000
• Base-36: A9OY8LC00

Squares and roots of 28970689609728

• 28970689609728 squared (28970689609728²) is 839300856463201896952233984
• 28970689609728 cubed (28970689609728³) is 24315124601774294710408384830586698596352
• The square root of 28970689609728 is 5382442.7177377373
• The cube root of 28970689609728 is 30712.8141004841

Scales and comparisons

• 28,970,689,609,728 seconds is equal to 921,178 years, 16 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 28,970,689,609,728 would take you about two million, three hundred two thousand, nine hundred forty-five 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 28970689609728 cubic inches would be around 2559.4 feet tall.

Recreational maths with 28970689609728

• 28970689609728 backwards is 82790698607982
• 28970689609728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28970689609728's digits is 81
• More coming soon!