18957147984

Names of 18957147984

• Cardinal: 18957147984 can be written as Eighteen billion, nine hundred fifty-seven million, one hundred forty-seven thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8957147984 × 10¹⁰

Factors of 18957147984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3084

Divisors of 18957147984

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 81 102 108 136 144 153 162 204 216 272 306 313 324 408 432 459 612 626 648 816 918 939 1224 1252 1296 1377 1836 1878 2448 2504 2749 2754 2817 3672 3756 5008 5321 5498 5508 5634 7344 7512 8247 8451 10642 10996 11016 11268 15024 15963 16494 16902 21284 21992 22032 22536 24741 25353 31926 32988 33804 42568 43984 45072 46733 47889 49482 50706 63852 65976 67608 74223 85136 93466 95778 98964 101412 127704 131952 135216 140199 143667 148446 186932 191556 197928 202824 222669 255408 280398 287334 296892 373864 383112 395856 405648 420597 431001 445338 560796 574668 593784 747728 766224 841194 860437 862002 890676 1121592 1149336 1187568 1261791 1682388 1720874 1724004 1781352 2243184 2298672 2523582 2581311 3364776 3441748 3448008 3562704 3785373 5047164 5162622 6729552 6883496 6896016 7570746 7743933 10094328 10325244 13766992 14627429 15141492 15487866 20188656 20650488 23231799 29254858 30282984 30975732 41300976 43882287 46463598 58509716 60565968 61951464 69695397 87764574 92927196 117019432 123902928 131646861 139390794 175529148 185854392 234038864 263293722 278781588 351058296 371708784 394940583 526587444 557563176 702116592 789881166 1053174888 1115126352 1184821749 1579762332 2106349776 2369643498 3159524664 4739286996 6319049328 9478573992 18957147984
• Sum of all divisors σ(n): 58301793000
• Sum of proper divisors (its aliquot sum) s(n): 39344645016
• 18957147984 is an abundant number, because the sum of its proper divisors (39344645016) is greater than itself. Its abundance is 20387497032

Bases of 18957147984

• Binary: 10001101001111011110001111101010000₂
• Hexadecimal: 0x469EF1F50
• Base-36: 8PILH00

Squares and roots of 18957147984

• 18957147984 squared (18957147984²) is 359373459687275264256
• 18957147984 cubed (18957147984³) is 6812695856813735546243697659904
• The square root of 18957147984 is 137684.9591785537
• The cube root of 18957147984 is 2666.3940616611

Scales and comparisons

• 18,957,147,984 seconds is equal to 602 years, 40 weeks, 3 days, 10 hours, 26 minutes, 24 seconds.
• To count from 1 to 18,957,147,984 would take you about one thousand, two hundred 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 18957147984 cubic inches would be around 222.2 feet tall.

Recreational maths with 18957147984

• 18957147984 backwards is 48974175981
• The number of decimal digits it has is: 11
• The sum of 18957147984's digits is 63
• More coming soon!