108161105985

Names of 108161105985

• Cardinal: 108161105985 can be written as One hundred eight billion, one hundred sixty-one million, one hundred five thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.08161105985 × 10¹¹

Factors of 108161105985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2644

Divisors of 108161105985

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 31 45 61 93 155 183 279 305 465 549 683 915 1395 1861 1891 2049 2745 3415 5583 5673 6147 9305 9455 10245 16749 17019 21173 27915 28365 30735 41663 57691 63519 83745 85095 105865 113521 124989 173073 190557 208315 288455 317595 340563 374967 519219 567605 624945 865365 952785 1021689 1271063 1291553 1702815 1874835 2596095 3519151 3813189 3874659 5108445 6355315 6457765 10557453 11439567 11623977 17595755 19065945 19373295 31672359 39402953 52787265 57197835 58119885 77534843 118208859 158361795 197014765 232604529 354626577 387674215 591044295 697813587 1163022645 1773132885 2403580133 3489067935 7210740399 12017900665 21632221197 36053701995 108161105985
• Sum of all divisors σ(n): 197093385216
• Sum of proper divisors (its aliquot sum) s(n): 88932279231
• 108161105985 is a deficient number, because the sum of its proper divisors (88932279231) is less than itself. Its deficiency is 19228826754

Bases of 108161105985

• Binary: 1100100101110111001111000000001000001₂
• Hexadecimal: 0x192EE78041
• Base-36: 1DOSBVI9

Squares and roots of 108161105985

• 108161105985 squared (108161105985²) is 11698824847898402820225
• 108161105985 cubed (108161105985³) is 1265357834273490651950579126546625
• The square root of 108161105985 is 328878.5581107409
• The cube root of 108161105985 is 4764.5699406371

Scales and comparisons

• 108,161,105,985 seconds is equal to 3,439 years, 9 weeks, 5 days, 15 hours, 39 minutes, 45 seconds.
• To count from 1 to 108,161,105,985 would take you about six thousand, eight hundred seventy-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 108161105985 cubic inches would be around 397 feet tall.

Recreational maths with 108161105985

• 108161105985 backwards is 589501161801
• 108161105985 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 108161105985's digits is 45
• More coming soon!