21107946279969

Names of 21107946279969

• Cardinal: 21107946279969 can be written as Twenty-one trillion, one hundred seven billion, nine hundred forty-six million, two hundred seventy-nine thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 2.1107946279969 × 10¹³

Factors of 21107946279969

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 960

Divisors of 21107946279969

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 19 27 57 61 171 183 513 549 877 1159 1647 2631 3477 7893 10431 16663 23679 31293 49989 53497 149967 160491 449901 481473 769129 1016443 1444419 2307387 3049329 6922161 9147987 14613451 20766483 27443961 43840353 46916869 131521059 140750607 394563177 422251821 674526133 891420511 1266755463 2023578399 2674261533 6070735197 8022784599 12815996527 18212205591 24068353797 38447989581 41146094113 115343968743 123438282339 346031906229 370314847017 781775788147 1110944541051 2345327364441 7035982093323 21107946279969
• Sum of all divisors σ(n): 33494688544000
• Sum of proper divisors (its aliquot sum) s(n): 12386742264031
• 21107946279969 is a deficient number, because the sum of its proper divisors (12386742264031) is less than itself. Its deficiency is 8721204015938

Bases of 21107946279969

• Binary: 100110011001010010011101000111101010000100001₂
• Hexadecimal: 0x133293A3D421
• Base-36: 7HCUU82E9

Squares and roots of 21107946279969

• 21107946279969 squared (21107946279969²) is 445545396158057145730640961
• 21107946279969 cubed (21107946279969³) is 9404548287391776713971600983237925210209
• The square root of 21107946279969 is 4594338.5029804889
• The cube root of 21107946279969 is 27636.4333140865

Scales and comparisons

• 21,107,946,279,969 seconds is equal to 671,167 years, 20 weeks, 5 days, 19 hours, 6 minutes, 9 seconds.
• To count from 1 to 21,107,946,279,969 would take you about one million, six hundred seventy-seven thousand, nine hundred eighteen 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 21107946279969 cubic inches would be around 2303 feet tall.

Recreational maths with 21107946279969

• 21107946279969 backwards is 96997264970112
• The number of decimal digits it has is: 14
• The sum of 21107946279969's digits is 72
• More coming soon!