18091631943746816

Names of 18091631943746816

• Cardinal: 18091631943746816 can be written as Eighteen quadrillion, ninety-one trillion, six hundred thirty-one billion, nine hundred forty-three million, seven hundred forty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.8091631943746816 × 10¹⁶

Factors of 18091631943746816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 135845902

Divisors of 18091631943746816

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 256 364 416 448 728 832 896 1456 1664 1792 2912 3328 5717 5824 11434 11648 22868 23296 40019 45736 74321 80038 91472 148642 160076 182944 297284 320152 365888 520247 594568 640304 731776 1040494 1189136 1280608 1463552 2080988 2378272 2561216 4161976 4756544 5122432 8323952 9513088 10244864 16647904 19026176 33295808 66591616 133183232 135840163 271680326 543360652 950881141 1086721304 1765922119 1901762282 2173442608 3531844238 3803524564 4346885216 7063688476 7607049128 8693770432 12361454833 14127376952 15214098256 17387540864 24722909666 28254753904 30428196512 34775081728 49445819332 56509507808 60856393024 98891638664 113019015616 121712786048 197783277328 226038031232 243425572096 395566554656 452076062464 776598211871 791133109312 1553196423742 1582266218624 3106392847484 3164532437248 5436187483097 6212785694968 10095776754323 10872374966194 12425571389936 20191553508646 21744749932388 24851142779872 40383107017292 43489499864776 49702285559744 70670437280261 80766214034584 86978999729552 99404571119488 141340874560522 161532428069168 173957999459104 198809142238976 282681749121044 323064856138336 347915998918208 565363498242088 646129712276672 695831997836416 1130726996484176 1292259424553344 1391663995672832 2261453992968352 2584518849106688 4522907985936704 9045815971873408 18091631943746816
• Sum of all divisors σ(n): 44454043593262464
• Sum of proper divisors (its aliquot sum) s(n): 26362411649515648
• 18091631943746816 is an abundant number, because the sum of its proper divisors (26362411649515648) is greater than itself. Its abundance is 8270779705768832

Bases of 18091631943746816

• Binary: 1000000010001100011111001001111011010100000010100000000₂
• Hexadecimal: 0x40463E4F6A0500
• Base-36: 4Y4Y4Z77NCW

Squares and roots of 18091631943746816

• 18091631943746816 squared (18091631943746816²) is 327307146388000195651844710137856
• 18091631943746816 cubed (18091631943746816³) is 5921520425009759625382064218921539602180521066496
• The square root of 18091631943746816 is 134505137.2392401079
• The cube root of 18091631943746816 is 262518.0973463881

Scales and comparisons

• 18,091,631,943,746,816 seconds is equal to 575,257,934 years, 37 weeks, 2 days, 19 hours, 26 minutes, 56 seconds.
• To count from 1 to 18,091,631,943,746,816 would take you about one billion, seven hundred twenty-five million, seven hundred seventy-three thousand, eight hundred four 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 18091631943746816 cubic inches would be around 21876.5 feet tall.

Recreational maths with 18091631943746816

• 18091631943746816 backwards is 61864734913619081
• The number of decimal digits it has is: 17
• The sum of 18091631943746816's digits is 77
• More coming soon!