21306072832

Names of 21306072832

• Cardinal: 21306072832 can be written as Twenty-one billion, three hundred six million, seventy-two thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1306072832 × 10¹⁰

Factors of 21306072832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2432

Divisors of 21306072832

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 44 62 64 88 107 124 128 176 214 248 256 341 352 428 496 682 704 856 992 1177 1364 1408 1712 1984 2281 2354 2728 2816 3317 3424 3968 4562 4708 5456 6634 6848 7936 9124 9416 10912 13268 13696 18248 18832 21824 25091 26536 27392 36487 36496 37664 43648 50182 53072 70711 72974 72992 75328 87296 100364 106144 141422 145948 145984 150656 200728 212288 244067 282844 291896 291968 301312 401456 424576 488134 565688 583792 583936 777821 802912 849152 976268 1131376 1167584 1555642 1605824 1952536 2262752 2335168 2684737 3111284 3211648 3905072 4525504 4670336 5369474 6222568 6423296 7566077 7810144 9051008 9340672 10738948 12445136 15132154 15620288 18102016 21477896 24890272 30264308 31240576 42955792 49780544 60528616 62481152 83226847 85911584 99561088 121057232 166453694 171823168 199122176 242114464 332907388 343646336 484228928 665814776 687292672 968457856 1331629552 1936915712 2663259104 5326518208 10653036416 21306072832
• Sum of all divisors σ(n): 48360582144
• Sum of proper divisors (its aliquot sum) s(n): 27054509312
• 21306072832 is an abundant number, because the sum of its proper divisors (27054509312) is greater than itself. Its abundance is 5748436480

Bases of 21306072832

• Binary: 10011110101111100001101111100000000₂
• Hexadecimal: 0x4F5F0DF00
• Base-36: 9SD330G

Squares and roots of 21306072832

• 21306072832 squared (21306072832²) is 453948739522488500224
• 21306072832 cubed (21306072832³) is 9671864906260736887654992314368
• The square root of 21306072832 is 145965.9988901525
• The cube root of 21306072832 is 2772.2632578639

Scales and comparisons

• 21,306,072,832 seconds is equal to 677 years, 24 weeks, 2 days, 1 hour, 33 minutes, 52 seconds.
• To count from 1 to 21,306,072,832 would take you about one thousand, three hundred fifty-four 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 21306072832 cubic inches would be around 231 feet tall.

Recreational maths with 21306072832

• 21306072832 backwards is 23827060312
• The number of decimal digits it has is: 11
• The sum of 21306072832's digits is 34
• More coming soon!