21804428832

Names of 21804428832

• Cardinal: 21804428832 can be written as Twenty-one billion, eight hundred four million, four hundred twenty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1804428832 × 10¹⁰

Factors of 21804428832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2024

Divisors of 21804428832

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 127 186 248 254 372 381 496 508 744 762 961 992 1016 1488 1524 1861 1922 2032 2883 2976 3048 3722 3844 3937 4064 5583 5766 6096 7444 7688 7874 11166 11532 11811 12192 14888 15376 15748 22332 23064 23622 29776 30752 31496 44664 46128 47244 57691 59552 62992 89328 92256 94488 115382 122047 125984 173073 178656 188976 230764 236347 244094 346146 366141 377952 461528 472694 488188 692292 709041 732282 923056 945388 976376 1384584 1418082 1464564 1788421 1846112 1890776 1952752 2769168 2836164 2929128 3576842 3781552 3905504 5365263 5538336 5672328 5858256 7153684 7326757 7563104 10730526 11344656 11716512 14307368 14653514 21461052 21980271 22689312 28614736 29307028 42922104 43960542 57229472 58614056 85844208 87921084 117228112 171688416 175842168 227129467 234456224 351684336 454258934 681388401 703368672 908517868 1362776802 1817035736 2725553604 3634071472 5451107208 7268142944 10902214416 21804428832
• Sum of all divisors σ(n): 59640247296
• Sum of proper divisors (its aliquot sum) s(n): 37835818464
• 21804428832 is an abundant number, because the sum of its proper divisors (37835818464) is greater than itself. Its abundance is 16031389632

Bases of 21804428832

• Binary: 10100010011101001010010111000100000₂
• Hexadecimal: 0x513A52E20
• Base-36: A0LSKYO

Squares and roots of 21804428832

• 21804428832 squared (21804428832²) is 475433116689752884224
• 21804428832 cubed (21804428832³) is 10366547557237668187728943546368
• The square root of 21804428832 is 147663.2277583015
• The cube root of 21804428832 is 2793.7116033859

Scales and comparisons

• 21,804,428,832 seconds is equal to 693 years, 16 weeks, 2 days, 1 hour, 47 minutes, 12 seconds.
• To count from 1 to 21,804,428,832 would take you about one thousand, three hundred eighty-six 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 21804428832 cubic inches would be around 232.8 feet tall.

Recreational maths with 21804428832

• 21804428832 backwards is 23882440812
• The number of decimal digits it has is: 11
• The sum of 21804428832's digits is 42
• More coming soon!