21293779372672

Names of 21293779372672

• Cardinal: 21293779372672 can be written as Twenty-one trillion, two hundred ninety-three billion, seven hundred seventy-nine million, three hundred seventy-two thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1293779372672 × 10¹³

Factors of 21293779372672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 273126

Divisors of 21293779372672

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 64 68 92 128 136 184 272 368 391 544 736 782 1088 1472 1564 1567 2176 2944 3128 3134 6256 6268 12512 12536 25024 25072 26639 36041 50048 50144 53278 72082 100288 106556 144164 200576 213112 271517 288328 426224 543034 576656 612697 852448 1086068 1153312 1225394 1704896 2172136 2306624 2450788 3409792 4344272 4613248 4615789 4901576 6244891 8688544 9231578 9803152 12489782 17377088 18463156 19606304 24979564 34754176 36926312 39212608 49959128 73852624 78425216 99918256 106163147 147705248 199836512 212326294 295410496 399673024 424652588 425467139 590820992 799346048 849305176 850934278 1698610352 1701868556 3397220704 3403737112 6794441408 6807474224 7232941363 9785744197 13588882816 13614948448 14465882726 19571488394 27229896896 28931765452 39142976788 54459793792 57863530904 78285953576 115727061808 156571907152 166357651349 231454123616 313143814304 332715302698 462908247232 626287628608 665430605396 925816494464 1252575257216 1330861210792 2661722421584 5323444843168 10646889686336 21293779372672
• Sum of all divisors σ(n): 46899543075840
• Sum of proper divisors (its aliquot sum) s(n): 25605763703168
• 21293779372672 is an abundant number, because the sum of its proper divisors (25605763703168) is greater than itself. Its abundance is 4311984330496

Bases of 21293779372672

• Binary: 100110101110111011000001001111100101010000000₂
• Hexadecimal: 0x135DD827CA80
• Base-36: 7JQ86G6F4

Squares and roots of 21293779372672

• 21293779372672 squared (21293779372672²) is 453425039972031553860419584
• 21293779372672 cubed (21293779372672³) is 9655132763209422585387314709238223208448
• The square root of 21293779372672 is 4614518.3250987313
• The cube root of 21293779372672 is 27717.2996292411

Scales and comparisons

• 21,293,779,372,672 seconds is equal to 677,076 years, 16 weeks, 3 days, 18 hours, 37 minutes, 52 seconds.
• To count from 1 to 21,293,779,372,672 would take you about one million, six hundred ninety-two thousand, six hundred ninety 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 21293779372672 cubic inches would be around 2309.8 feet tall.

Recreational maths with 21293779372672

• 21293779372672 backwards is 27627397739212
• The number of decimal digits it has is: 14
• The sum of 21293779372672's digits is 67
• More coming soon!