18188901168087040

Names of 18188901168087040

• Cardinal: 18188901168087040 can be written as Eighteen quadrillion, one hundred eighty-eight trillion, nine hundred one billion, one hundred sixty-eight million, eighty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.818890116808704 × 10¹⁶

Factors of 18188901168087040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 5047

Divisors of 18188901168087040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 67 80 128 134 160 256 268 320 335 512 536 640 670 1024 1072 1280 1340 2048 2144 2560 2680 4096 4288 4489 4973 5120 5360 8192 8576 8978 9946 10240 10720 16384 17152 17956 19892 20480 21440 22445 24865 32768 34304 35912 39784 40960 42880 44890 49730 68608 71824 79568 81920 85760 89780 99460 137216 143648 159136 163840 171520 179560 198920 274432 287296 318272 333191 343040 359120 397840 548864 574592 636544 666382 686080 718240 795680 1097728 1149184 1273088 1332764 1372160 1436480 1591360 1665955 2195456 2298368 2546176 2665528 2744320 2872960 3182720 3331910 4596736 5092352 5331056 5488640 5745920 6365440 6663820 9193472 10184704 10662112 10977280 11491840 12730880 13327640 18386944 20369408 21324224 22323797 22983680 24730729 25461760 26655280 36773888 40738816 42648448 44647594 45967360 49461458 50923520 53310560 73547776 81477632 85296896 89295188 91934720 98922916 101847040 106621120 111618985 123653645 147095552 162955264 170593792 178590376 183869440 197845832 203694080 213242240 223237970 247307290 341187584 357180752 367738880 395691664 407388160 426484480 446475940 494614580 682375168 714361504 735477760 791383328 814776320 852968960 892951880 989229160 1364750336 1428723008 1582766656 1656958843 1705937920 1785903760 1978458320 2729500672 2857446016 3165533312 3313917686 3411875840 3571807520 3956916640 5459001344 5714892032 6331066624 6627835372 6823751680 7143615040 7913833280 8284794215 10918002688 11429784064 12662133248 13255670744 13647503360 14287230080 15827666560 16569588430 22859568128 25324266496 26511341488 27295006720 28574460160 31655333120 33139176860 45719136256 50648532992 53022682976 54590013440 57148920320 63310666240 66278353720 91438272512 101297065984 106045365952 111016242481 114297840640 126621332480 132556707440 182876545024 202594131968 212090731904 222032484962 228595681280 253242664960 265113414880 365753090048 405188263936 424181463808 444064969924 457191362560 506485329920 530226829760 555081212405 731506180096 810376527872 848362927616 888129939848 914382725120 1012970659840 1060453659520 1110162424810 1696725855232 1776259879696 1828765450240 2025941319680 2120907319040 2220324849620 3393451710464 3552519759392 3657530900480 4051882639360 4241814638080 4440649699240 6786903420928 7105039518784 8483629276160 8881299398480 13573806841856 14210079037568 16967258552320 17762598796960 27147613683712 28420158075136 33934517104640 35525197593920 54295227367424 56840316150272 67869034209280 71050395187840 113680632300544 135738068418560 142100790375680 227361264601088 271476136837120 284201580751360 454722529202176 568403161502720 909445058404352 1136806323005440 1818890116808704 2273612646010880 3637780233617408 4547225292021760 9094450584043520 18188901168087040
• Sum of all divisors σ(n): 44322866564102910
• Sum of proper divisors (its aliquot sum) s(n): 26133965396015870
• 18188901168087040 is an abundant number, because the sum of its proper divisors (26133965396015870) is greater than itself. Its abundance is 7945064227928830

Bases of 18188901168087040

• Binary: 1000000100111101011010110010000111110101000000000000000₂
• Hexadecimal: 0x409EB590FA8000
• Base-36: 4Z3FDUBYU4G

Squares and roots of 18188901168087040

• 18188901168087040 squared (18188901168087040²) is 330836125702438088139333015961600
• 18188901168087040 cubed (18188901168087040³) is 6017545593234466938186341451956556428858097664000
• The square root of 18188901168087040 is 134866234.3512527971
• The cube root of 18188901168087040 is 262987.7307720587

Scales and comparisons

• 18,188,901,168,087,040 seconds is equal to 578,350,795 years, 9 weeks, 2 days, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,188,901,168,087,040 would take you about one billion, seven hundred thirty-five million, fifty-two thousand, three hundred eighty-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 18188901168087040 cubic inches would be around 21915.6 feet tall.

Recreational maths with 18188901168087040

• 18188901168087040 backwards is 04078086110988181
• The number of decimal digits it has is: 17
• The sum of 18188901168087040's digits is 70
• More coming soon!