21129732264992

Names of 21129732264992

• Cardinal: 21129732264992 can be written as Twenty-one trillion, one hundred twenty-nine billion, seven hundred thirty-two million, two hundred sixty-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1129732264992 × 10¹³

Factors of 21129732264992

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 62522

Divisors of 21129732264992

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 104 169 208 338 416 676 1352 2704 5408 62507 125014 250028 500056 812591 1000112 1625182 2000224 3250364 6500728 10563683 13001456 21127366 26002912 42254732 84509464 169018928 338037856 3907125049 7814250098 15628500196 31257000392 50792625637 62514000784 101585251274 125028001568 203170502548 406341005096 660304133281 812682010192 1320608266562 1625364020384 2641216533124 5282433066248 10564866132496 21129732264992
• Sum of all divisors σ(n): 45045965344653
• Sum of proper divisors (its aliquot sum) s(n): 23916233079661
• 21129732264992 is an abundant number, because the sum of its proper divisors (23916233079661) is greater than itself. Its abundance is 2786500814669

Bases of 21129732264992

• Binary: 100110011011110100110001011111001010000100000₂
• Hexadecimal: 0x1337A62F9420
• Base-36: 7HMV51C0W

Squares and roots of 21129732264992

• 21129732264992 squared (21129732264992²) is 446465585590243954508760064
• 21129732264992 cubed (21129732264992³) is 9433698289054725030120217797808194879488
• The square root of 21129732264992 is 4596708.8514492627
• The cube root of 21129732264992 is 27645.9381057973

Scales and comparisons

• 21,129,732,264,992 seconds is equal to 671,860 years, 6 weeks, 4 days, 9 hours, 36 minutes, 32 seconds.
• To count from 1 to 21,129,732,264,992 would take you about one million, six hundred seventy-nine thousand, six hundred fifty 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 21129732264992 cubic inches would be around 2303.8 feet tall.

Recreational maths with 21129732264992

• 21129732264992 backwards is 29946223792112
• The number of decimal digits it has is: 14
• The sum of 21129732264992's digits is 59
• More coming soon!