21131446776

Names of 21131446776

• Cardinal: 21131446776 can be written as Twenty-one billion, one hundred thirty-one million, four hundred forty-six thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.1131446776 × 10¹⁰

Factors of 21131446776

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1704

Divisors of 21131446776

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 44 66 67 88 121 132 134 201 242 264 268 363 402 484 536 726 737 804 968 1452 1474 1608 1621 2211 2904 2948 3242 4422 4489 4863 5896 6484 8107 8844 8978 9726 12968 13467 16214 17688 17831 17956 19452 24321 26934 32428 35662 35912 38904 48642 49379 53493 53868 64856 71324 97284 98758 106986 107736 108607 142648 148137 194568 196141 197516 213972 217214 296274 325821 392282 395032 427944 434428 543169 588423 592548 651642 784564 868856 1086338 1176846 1185096 1194677 1303284 1569128 1629507 2172676 2353692 2389354 2606568 3259014 3584031 4345352 4707384 4778708 6518028 7168062 7276669 9557416 13036056 13141447 14336124 14553338 21830007 26282894 28672248 29106676 39424341 43660014 52565788 58213352 78848682 80043359 87320028 105131576 157697364 160086718 174640056 240130077 315394728 320173436 480260154 640346872 880476949 960520308 1760953898 1921040616 2641430847 3521907796 5282861694 7043815592 10565723388 21131446776
• Sum of all divisors σ(n): 58983802920
• Sum of proper divisors (its aliquot sum) s(n): 37852356144
• 21131446776 is an abundant number, because the sum of its proper divisors (37852356144) is greater than itself. Its abundance is 16720909368

Bases of 21131446776

• Binary: 10011101011100010000100100111111000₂
• Hexadecimal: 0x4EB8849F8
• Base-36: 9PH48OO

Squares and roots of 21131446776

• 21131446776 squared (21131446776²) is 446538042846920794176
• 21131446776 cubed (21131446776³) is 9435994885878914277617794776576
• The square root of 21131446776 is 145366.5944293941
• The cube root of 21131446776 is 2764.6685835467

Scales and comparisons

• 21,131,446,776 seconds is equal to 671 years, 47 weeks, 3 days, 22 hours, 19 minutes, 36 seconds.
• To count from 1 to 21,131,446,776 would take you about one thousand, three hundred forty-three 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 21131446776 cubic inches would be around 230.4 feet tall.

Recreational maths with 21131446776

• 21131446776 backwards is 67764413112
• The number of decimal digits it has is: 11
• The sum of 21131446776's digits is 42
• More coming soon!