21359320918007992

Names of 21359320918007992

• Cardinal: 21359320918007992 can be written as Twenty-one quadrillion, three hundred fifty-nine trillion, three hundred twenty billion, nine hundred eighteen million, seven thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1359320918007992 × 10¹⁶

Factors of 21359320918007992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 99153687

Divisors of 21359320918007992

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 887 1774 3548 7096 30367 60734 121468 242936 26935529 53871058 99122431 107742116 198244862 215484232 396489724 792979448 87921596297 175843192594 351686385188 703372770376 3010050862177 6020101724354 12040203448708 24080406897416 2669915114750999 5339830229501998 10679660459003996 21359320918007992
• Sum of all divisors σ(n): 40095198199480320
• Sum of proper divisors (its aliquot sum) s(n): 18735877281472328
• 21359320918007992 is a deficient number, because the sum of its proper divisors (18735877281472328) is less than itself. Its deficiency is 2623443636535664

Bases of 21359320918007992

• Binary: 1001011111000100011000001101111111101100010000010111000₂
• Hexadecimal: 0x4BE2306FF620B8
• Base-36: 5UB8WKH9AYG

Squares and roots of 21359320918007992

• 21359320918007992 squared (21359320918007992²) is 456220590078453770109553375872064
• 21359320918007992 cubed (21359320918007992³) is 9744561992888666987952853575432408637614721535488
• The square root of 21359320918007992 is 146148284.0063748131
• The cube root of 21359320918007992 is 277457.0814473727

Scales and comparisons

• 21,359,320,918,007,992 seconds is equal to 679,160,336 years, 24 weeks, 4 days, 22 hours, 39 minutes, 52 seconds.
• To count from 1 to 21,359,320,918,007,992 would take you about two billion, thirty-seven million, four hundred eighty-one thousand and nine 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 21359320918007992 cubic inches would be around 23121.4 feet tall.

Recreational maths with 21359320918007992

• 21359320918007992 backwards is 29970081902395312
• The number of decimal digits it has is: 17
• The sum of 21359320918007992's digits is 70
• More coming soon!