18956913242080

Names of 18956913242080

• Cardinal: 18956913242080 can be written as Eighteen trillion, nine hundred fifty-six billion, nine hundred thirteen million, two hundred forty-two thousand and eighty.

Scientific notation

• Scientific notation: 1.895691324208 × 10¹³

Factors of 18956913242080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 77399

Divisors of 18956913242080

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 80 88 110 116 121 145 160 176 220 232 242 290 319 352 439 440 464 484 580 605 638 878 880 928 968 1160 1210 1276 1595 1756 1760 1936 2195 2320 2420 2552 3190 3509 3512 3872 4390 4640 4829 4840 5104 6380 7018 7024 8780 9658 9680 10208 12731 12760 14036 14048 17545 17560 19316 19360 24145 25462 25520 28072 35090 35120 38632 48290 50924 51040 53119 56144 63655 70180 70240 76913 77264 96580 101848 106238 112288 127310 140041 140360 153826 154528 193160 203696 212476 254620 265595 280082 280720 307652 384565 386320 407392 424952 509240 531190 560164 561440 615304 700205 769130 772640 846043 849904 1018480 1062380 1120328 1230608 1400410 1538260 1540451 1692086 1699808 2036960 2124760 2230477 2240656 2461216 2800820 3076520 3080902 3384172 4230215 4249520 4460954 4481312 5601640 6153040 6161804 6768344 7702255 8460430 8499040 8921908 9306473 11152385 11203280 12306080 12323608 13536688 15404510 16920860 17843816 18612946 22304770 22406560 24535247 24647216 27073376 30809020 33764807 33841720 35687632 37225892 44609540 46532365 49070494 49294432 61618040 67529614 67683440 71375264 74451784 89219080 93064730 98140988 122676235 123236080 135059228 135366880 148903568 168824035 178438160 186129460 196281976 245352470 246472160 269887717 270118456 297807136 337648070 356876320 371412877 372258920 392563952 490704940 539775434 540236912 675296140 742825754 744517840 785127904 979179403 981409880 1079550868 1080473824 1349438585 1350592280 1485651508 1489035680 1857064385 1958358806 1962819760 2159101736 2698877170 2701184560 2971303016 3714128770 3916717612 3925639520 4085541647 4318203472 4895897015 5397754340 5402369120 5942606032 7428257540 7833435224 8171083294 8636406944 9791794030 10770973433 10795508680 11885212064 14856515080 15666870448 16342166588 19583588060 20427708235 21541946866 21591017360 29713030160 31333740896 32684333176 39167176120 40855416470 43083893732 43182034720 53854867165 59426060320 65368666352 78334352240 81710832940 86167787464 107709734330 118480707763 130737332704 156668704480 163421665880 172335574928 215419468660 236961415526 326843331760 344671149856 430838937320 473922831052 592403538815 653686663520 861677874640 947845662104 1184807077630 1723355749280 1895691324208 2369614155260 3791382648416 4739228310520 9478456621040 18956913242080
• Sum of all divisors σ(n): 51041422555200
• Sum of proper divisors (its aliquot sum) s(n): 32084509313120
• 18956913242080 is an abundant number, because the sum of its proper divisors (32084509313120) is greater than itself. Its abundance is 13127596071040

Bases of 18956913242080

• Binary: 100010011110111000000000101000110111111100000₂
• Hexadecimal: 0x113DC0146FE0
• Base-36: 6PWOOOVZ4

Squares and roots of 18956913242080

• 18956913242080 squared (18956913242080²) is 359364559667748056682726400
• 18956913242080 cubed (18956913242080³) is 6812442779899781420821962529357606912000
• The square root of 18956913242080 is 4353953.7482706451
• The cube root of 18956913242080 is 26663.8305583819

Scales and comparisons

• 18,956,913,242,080 seconds is equal to 602,771 years, 10 weeks, 4 days, 1 hour, 54 minutes, 40 seconds.
• To count from 1 to 18,956,913,242,080 would take you about one million, five hundred six thousand, nine hundred 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 18956913242080 cubic inches would be around 2222 feet tall.

Recreational maths with 18956913242080

• 18956913242080 backwards is 08024231965981
• 18956913242080 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18956913242080's digits is 58
• More coming soon!