21077924736

Names of 21077924736

• Cardinal: 21077924736 can be written as Twenty-one billion, seventy-seven million, nine hundred twenty-four thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1077924736 × 10¹⁰

Factors of 21077924736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 161016

Divisors of 21077924736

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 32 33 44 48 62 64 66 88 93 96 124 128 132 176 186 192 248 264 341 352 372 384 496 528 682 704 744 992 1023 1056 1364 1408 1488 1984 2046 2112 2728 2976 3968 4092 4224 5456 5952 8184 10912 11904 16368 21824 32736 43648 65472 130944 160969 321938 482907 643876 965814 1287752 1770659 1931628 2575504 3541318 3863256 4990039 5151008 5311977 7082636 7726512 9980078 10302016 10623954 14165272 14970117 15453024 19960156 20604032 21247908 28330544 29940234 30906048 39920312 42495816 54890429 56661088 59880468 61812096 79840624 84991632 109780858 113322176 119760936 159681248 164671287 169983264 219561716 226644352 239521872 319362496 329342574 339966528 439123432 479043744 638724992 658685148 679933056 878246864 958087488 1317370296 1756493728 1916174976 2634740592 3512987456 5269481184 7025974912 10538962368 21077924736
• Sum of all divisors σ(n): 63048729600
• Sum of proper divisors (its aliquot sum) s(n): 41970804864
• 21077924736 is an abundant number, because the sum of its proper divisors (41970804864) is greater than itself. Its abundance is 20892880128

Bases of 21077924736

• Binary: 10011101000010101111001101110000000₂
• Hexadecimal: 0x4E8579B80
• Base-36: 9OL92TC

Squares and roots of 21077924736

• 21077924736 squared (21077924736²) is 444278911176480669696
• 21077924736 cubed (21077924736³) is 9364477451569888769211164000256
• The square root of 21077924736 is 145182.3843859853
• The cube root of 21077924736 is 2762.3324790099

Scales and comparisons

• 21,077,924,736 seconds is equal to 670 years, 11 weeks, 11 hours, 5 minutes, 36 seconds.
• To count from 1 to 21,077,924,736 would take you about one thousand, three hundred forty 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 21077924736 cubic inches would be around 230.2 feet tall.

Recreational maths with 21077924736

• 21077924736 backwards is 63742977012
• 21077924736 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21077924736's digits is 48
• More coming soon!