12981321680625

Names of 12981321680625

• Cardinal: 12981321680625 can be written as Twelve trillion, nine hundred eighty-one billion, three hundred twenty-one million, six hundred eighty thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.2981321680625 × 10¹³

Factors of 12981321680625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 881

Divisors of 12981321680625

• Number of divisors d(n): 420
• Complete list of divisors:
  1 3 5 9 15 19 25 27 43 45 57 75 81 95 125 129 135 171 215 225 243 285 375 387 405 475 513 625 645 675 729 811 817 855 1075 1125 1161 1215 1425 1539 1849 1875 1935 2025 2375 2433 2451 2565 3225 3375 3483 3645 4055 4085 4275 4617 5375 5547 5625 5805 6075 7125 7299 7353 7695 9245 9675 10125 10449 11875 12165 12255 12825 13851 15409 16125 16641 16875 17415 18225 20275 20425 21375 21897 22059 23085 26875 27735 29025 30375 31347 34873 35131 35625 36495 36765 38475 46225 46227 48375 49923 50625 52245 60825 61275 64125 65691 66177 69255 77045 80625 83205 87075 91125 101375 102125 104619 105393 106875 109485 110295 115425 138675 138681 145125 149769 151875 156735 174365 175655 182475 183825 192375 197073 198531 231125 231135 241875 249615 261225 304125 306375 313857 316179 320625 328455 330885 346275 385225 416025 416043 435375 449307 455625 506875 510625 523095 526965 547425 551475 577125 591219 595593 662587 693375 693405 725625 748845 783675 871825 878275 912375 919125 941571 948537 961875 985365 992655 1155625 1155675 1248075 1248129 1306125 1347921 1499539 1520625 1531875 1569285 1580895 1642275 1654425 1731375 1926125 1987761 2080125 2080215 2176875 2246535 2615475 2634825 2737125 2757375 2824713 2845611 2885625 2956095 2977965 3312935 3466875 3467025 3744225 3744387 3918375 4359125 4391375 4498617 4561875 4595625 4707855 4742685 4926825 4963275 5778375 5963283 6240375 6240645 6530625 6739605 7497695 7846425 7904475 8211375 8272125 8474139 8536833 8656875 9630625 9938805 10400625 10401075 11232675 11233161 13077375 13174125 13495851 13685625 13786875 14123565 14228055 14780475 14889825 16564675 17335125 17889849 18721125 18721935 19591875 21795625 21956875 22493085 23539275 23713425 24634125 24816375 25422417 25610499 28491241 28891875 29816415 31201875 31203225 33698025 37488475 39232125 39522375 40487553 41056875 41360625 42370695 42684165 49694025 52005375 53669547 56163375 56165805 65386875 65870625 67479255 70617825 71140275 73902375 74449125 82823375 85473723 86675625 89449245 93605625 93609675 112465425 117696375 118567125 121462659 123170625 124081875 127112085 128052495 142456205 149082075 156016125 161008641 168490125 187442375 196160625 197611875 202437765 211853475 213420825 248470125 256421169 260026875 268347735 280816875 280829025 337396275 353089125 355701375 364387977 369511875 372245625 414116875 427368615 447246225 468048375 483025923 562327125 588481875 592835625 607313295 635560425 640262475 712281025 745410375 769263507 780080625 805043205 842450625 937211875 1012188825 1059267375 1067104125 1093163931 1242350625 1282105845 1341738675 1404145125 1686981375 1765445625 1778506875 1821939885 2136843075 2236231125 2307790521 2340241875 2415129615 2811635625 3036566475 3177802125 3201312375 3561405125 3727051875 3846317535 4025216025 5060944125 5296336875 5335520625 5465819655 6410529225 6708693375 6923371563 7020725625 8434906875 9109699425 10684215375 11181155625 11538952605 12075648075 15182832375 15889010625 16006561875 17807025625 19231587675 20126080125 20770114689 25304720625 27329098275 32052646125 33543466875 34616857815 45548497125 53421076875 57694763025 60378240375 75914161875 96157938375 100630400625 103850573445 136645491375 160263230625 173084289075 227742485625 288473815125 301891201875 480789691875 519252867225 683227456875 865421445375 1442369075625 2596264336125 4327107226875 12981321680625
• Sum of all divisors σ(n): 26242658848560
• Sum of proper divisors (its aliquot sum) s(n): 13261337167935
• 12981321680625 is an abundant number, because the sum of its proper divisors (13261337167935) is greater than itself. Its abundance is 280015487310

Bases of 12981321680625

• Binary: 10111100111001110011000100010100011011110001₂
• Hexadecimal: 0xBCE731146F1
• Base-36: 4LNJBRE29

Squares and roots of 12981321680625

• 12981321680625 squared (12981321680625²) is 168514712575864674500390625
• 12981321680625 cubed (12981321680625³) is 2187543691865362439197979410343994140625
• The square root of 12981321680625 is 3602960.1275374945
• The cube root of 12981321680625 is 23502.0802025323

Scales and comparisons

• 12,981,321,680,625 seconds is equal to 412,765 years, 45 weeks, 3 days, 17 hours, 3 minutes, 45 seconds.
• To count from 1 to 12,981,321,680,625 would take you about one million, thirty-one thousand, nine hundred fourteen 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 12981321680625 cubic inches would be around 1958.5 feet tall.

Recreational maths with 12981321680625

• 12981321680625 backwards is 52608612318921
• The number of decimal digits it has is: 14
• The sum of 12981321680625's digits is 54
• More coming soon!