21349367776

Names of 21349367776

• Cardinal: 21349367776 can be written as Twenty-one billion, three hundred forty-nine million, three hundred sixty-seven thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.1349367776 × 10¹⁰

Factors of 21349367776

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1607

Divisors of 21349367776

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 88 121 176 242 352 431 484 862 968 1163 1331 1724 1936 2326 2662 3448 3872 4652 4741 5324 6896 9304 9482 10648 12793 13792 18608 18964 21296 25586 37216 37928 42592 51172 52151 75856 102344 104302 140723 151712 204688 208604 281446 409376 417208 501253 562892 573661 834416 1002506 1125784 1147322 1547953 1668832 2005012 2251568 2294644 3095906 4010024 4503136 4589288 5513783 6191812 8020048 9178576 11027566 12383624 16040096 18357152 22055132 24767248 44110264 49534496 60651613 88220528 121303226 176441056 242606452 485212904 667167743 970425808 1334335486 1940851616 2668670972 5337341944 10674683888 21349367776
• Sum of all divisors σ(n): 46378676736
• Sum of proper divisors (its aliquot sum) s(n): 25029308960
• 21349367776 is an abundant number, because the sum of its proper divisors (25029308960) is greater than itself. Its abundance is 3679941184

Bases of 21349367776

• Binary: 10011111000100001010111111111100000₂
• Hexadecimal: 0x4F8857FE0
• Base-36: 9T2V1LS

Squares and roots of 21349367776

• 21349367776 squared (21349367776²) is 455795504434907186176
• 21349367776 cubed (21349367776³) is 9730945854828272570096727064576
• The square root of 21349367776 is 146114.2285200179
• The cube root of 21349367776 is 2774.1397772379

Scales and comparisons

• 21,349,367,776 seconds is equal to 678 years, 43 weeks, 6 days, 3 hours, 56 minutes, 16 seconds.
• To count from 1 to 21,349,367,776 would take you about one thousand, three hundred fifty-seven 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 21349367776 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349367776

• 21349367776 backwards is 67776394312
• The number of decimal digits it has is: 11
• The sum of 21349367776's digits is 55
• More coming soon!