21319990740918

Names of 21319990740918

• Cardinal: 21319990740918 can be written as Twenty-one trillion, three hundred nineteen billion, nine hundred ninety million, seven hundred forty thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 2.1319990740918 × 10¹³

Factors of 21319990740918

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 439174

Divisors of 21319990740918

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 479 958 1437 2874 4311 5711 8622 11422 17133 34266 51399 102798 432979 865958 1298937 2597874 2735569 3896811 5471138 7793622 8206707 16413414 24620121 49240242 207396941 414793882 622190823 1244381646 1866572469 2472743069 3733144938 4945486138 7418229207 14836458414 22254687621 44509375242 1184443930051 2368887860102 3553331790153 7106663580306 10659995370459 21319990740918
• Sum of all divisors σ(n): 46297962547200
• Sum of proper divisors (its aliquot sum) s(n): 24977971806282
• 21319990740918 is an abundant number, because the sum of its proper divisors (24977971806282) is greater than itself. Its abundance is 3657981065364

Bases of 21319990740918

• Binary: 100110110001111110010011110011000011110110110₂
• Hexadecimal: 0x1363F27987B6
• Base-36: 7K29O0RLI

Squares and roots of 21319990740918

• 21319990740918 squared (21319990740918²) is 454542005192829250599482724
• 21319990740918 cubed (21319990740918³) is 9690831342069421097949128376520300900632
• The square root of 21319990740918 is 4617357.5496075673
• The cube root of 21319990740918 is 27728.6677451315

Scales and comparisons

• 21,319,990,740,918 seconds is equal to 677,909 years, 39 weeks, 3 days, 2 hours, 15 minutes, 18 seconds.
• To count from 1 to 21,319,990,740,918 would take you about one million, six hundred ninety-four thousand, seven hundred seventy-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 21319990740918 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21319990740918

• 21319990740918 backwards is 81904709991312
• The number of decimal digits it has is: 14
• The sum of 21319990740918's digits is 63
• More coming soon!