21489204096

Names of 21489204096

• Cardinal: 21489204096 can be written as Twenty-one billion, four hundred eighty-nine million, two hundred four thousand and ninety-six.

Scientific notation

• Scientific notation: 2.1489204096 × 10¹⁰

Factors of 21489204096

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2072652

Divisors of 21489204096

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 288 324 384 432 576 648 864 1152 1296 1728 2592 3456 5184 10368 2072647 4145294 6217941 8290588 12435882 16581176 18653823 24871764 33162352 37307646 49743528 55961469 66324704 74615292 99487056 111922938 132649408 149230584 167884407 198974112 223845876 265298816 298461168 335768814 397948224 447691752 596922336 671537628 795896448 895383504 1193844672 1343075256 1790767008 2387689344 2686150512 3581534016 5372301024 7163068032 10744602048 21489204096
• Sum of all divisors σ(n): 63951554040
• Sum of proper divisors (its aliquot sum) s(n): 42462349944
• 21489204096 is an abundant number, because the sum of its proper divisors (42462349944) is greater than itself. Its abundance is 20973145848

Bases of 21489204096

• Binary: 10100000000110110110011101110000000₂
• Hexadecimal: 0x500DB3B80
• Base-36: 9VE4800

Squares and roots of 21489204096

• 21489204096 squared (21489204096²) is 461785892679543177216
• 21489204096 cubed (21489204096³) is 9923411296444255659238921076736
• The square root of 21489204096 is 146591.9646365379
• The cube root of 21489204096 is 2780.1833848973

Scales and comparisons

• 21,489,204,096 seconds is equal to 683 years, 15 weeks, 15 hours, 21 minutes, 36 seconds.
• To count from 1 to 21,489,204,096 would take you about one thousand, three hundred sixty-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 21489204096 cubic inches would be around 231.7 feet tall.

Recreational maths with 21489204096

• 21489204096 backwards is 69040298412
• The number of decimal digits it has is: 11
• The sum of 21489204096's digits is 45
• More coming soon!