1987978539008

Names of 1987978539008

• Cardinal: 1987978539008 can be written as One trillion, nine hundred eighty-seven billion, nine hundred seventy-eight million, five hundred thirty-nine thousand and eight.

Scientific notation

• Scientific notation: 1.987978539008 × 10¹²

Factors of 1987978539008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 988

Divisors of 1987978539008

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 31 32 44 49 56 62 64 77 88 98 112 124 128 154 176 196 217 224 248 256 308 341 352 392 434 448 496 512 539 616 682 704 784 868 896 937 961 992 1024 1078 1232 1364 1408 1519 1568 1736 1792 1874 1922 1984 2048 2156 2387 2464 2728 2816 3038 3136 3472 3584 3748 3844 3968 4096 4312 4774 4928 5456 5632 6076 6272 6559 6727 6944 7168 7496 7688 7936 8624 9548 9856 10307 10571 10912 11264 12152 12544 13118 13454 13888 14336 14992 15376 15872 16709 17248 19096 19712 20614 21142 21824 22528 24304 25088 26236 26908 27776 28672 29047 29984 30752 31744 33418 34496 38192 39424 41228 42284 43648 45056 45913 47089 48608 50176 52472 53816 55552 58094 59968 61504 63488 66836 68992 72149 73997 76384 78848 82456 84568 87296 91826 94178 97216 100352 104944 107632 111104 116188 119936 123008 126976 133672 137984 144298 147994 152768 157696 164912 169136 174592 183652 188356 194432 200704 203329 209888 215264 222208 232376 239872 246016 267344 275968 288596 295988 305536 315392 319517 329824 338272 349184 367304 376712 388864 406658 419776 430528 444416 464752 479744 492032 505043 517979 534688 551936 577192 591976 611072 639034 659648 676544 698368 734608 753424 777728 813316 839552 861056 888832 900457 929504 959488 984064 1010086 1035958 1069376 1103872 1154384 1183952 1222144 1278068 1319296 1353088 1396736 1423303 1469216 1506848 1555456 1626632 1679104 1722112 1800914 1859008 1918976 1968128 2020172 2071916 2138752 2207744 2236619 2308768 2367904 2444288 2556136 2638592 2706176 2846606 2938432 3013696 3110912 3253264 3358208 3444224 3601828 3718016 3837952 3936256 4040344 4143832 4277504 4473238 4617536 4735808 4888576 5112272 5277184 5412352 5693212 5876864 6027392 6221824 6303199 6506528 6716416 6888448 7203656 7436032 8080688 8287664 8555008 8946476 9235072 9471616 9777152 9905027 10224544 10554368 10824704 11386424 11753728 12054784 12606398 13013056 13432832 13776896 14407312 14872064 15656333 16161376 16575328 17110016 17892952 18470144 18943232 19810054 20449088 21108736 21649408 22772848 23507456 24109568 25212796 26026112 26865664 27553792 28814624 29744128 31312666 32322752 33150656 34220032 35785904 36940288 37886464 39620108 40898176 42217472 43298816 44122393 45545696 47014912 48219136 50425592 52052224 57629248 59488256 62625332 64645504 66301312 68440064 69335189 71571808 73880576 75772928 79240216 81796352 88244786 91091392 94029824 96438272 100851184 104104448 115258496 118976512 125250664 129291008 132602624 138670378 143143616 147761152 151545856 158480432 163592704 176489572 182182784 188059648 192876544 201702368 208208896 230516992 250501328 258582016 265205248 277340756 286287232 295522304 303091712 316960864 327185408 352979144 364365568 403404736 416417792 461033984 485346323 501002656 517164032 530410496 554681512 572574464 633921728 654370816 705958288 728731136 806809472 832835584 922067968 970692646 1002005312 1034328064 1060820992 1109363024 1145148928 1267843456 1308741632 1411916576 1457462272 1613618944 1844135936 1941385292 2004010624 2068656128 2121641984 2218726048 2290297856 2535686912 2823833152 2914924544 3227237888 3688271872 3882770584 4008021248 4437452096 4580595712 5071373824 5647666304 5829849088 6454475776 7765541168 8016042496 8874904192 9161191424 10142747648 11295332608 12908951552 15531082336 16032084992 17749808384 20285495296 22590665216 25817903104 31062164672 32064169984 35499616768 40570990592 45181330432 62124329344 64128339968 70999233536 90362660864 124248658688 141998467072 180725321728 248497317376 283996934144 496994634752 993989269504 1987978539008
• Sum of all divisors σ(n): 5218493111496
• Sum of proper divisors (its aliquot sum) s(n): 3230514572488
• 1987978539008 is an abundant number, because the sum of its proper divisors (3230514572488) is greater than itself. Its abundance is 1242536033480

Bases of 1987978539008

• Binary: 11100111011011100110000010011000000000000₂
• Hexadecimal: 0x1CEDCC13000
• Base-36: PD9J3DVK

Squares and roots of 1987978539008

• 1987978539008 squared (1987978539008²) is 3952058671556382177624064
• 1987978539008 cubed (1987978539008³) is 7856607823954553966971176299383488512
• The square root of 1987978539008 is 1409956.9280683719
• The cube root of 1987978539008 is 12573.9162658553

Scales and comparisons

• 1,987,978,539,008 seconds is equal to 63,211 years, 29 weeks, 3 days, 20 hours, 50 minutes, 8 seconds.
• To count from 1 to 1,987,978,539,008 would take you about one hundred fifty-eight thousand and twenty-eight 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 1987978539008 cubic inches would be around 1047.8 feet tall.

Recreational maths with 1987978539008

• 1987978539008 backwards is 8009358797891
• The number of decimal digits it has is: 13
• The sum of 1987978539008's digits is 74
• More coming soon!