21335516384

Names of 21335516384

• Cardinal: 21335516384 can be written as Twenty-one billion, three hundred thirty-five million, five hundred sixteen thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1335516384 × 10¹⁰

Factors of 21335516384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2041

Divisors of 21335516384

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 52 56 62 91 104 112 124 127 182 208 217 224 248 254 364 403 416 434 496 508 728 806 868 889 992 1016 1456 1612 1651 1736 1778 1861 2032 2821 2912 3224 3302 3472 3556 3722 3937 4064 5642 6448 6604 6944 7112 7444 7874 11284 11557 12896 13027 13208 14224 14888 15748 22568 23114 24193 26054 26416 27559 28448 29776 31496 45136 46228 48386 51181 52108 52832 55118 57691 59552 62992 90272 92456 96772 102362 104216 110236 115382 125984 169351 184912 193544 204724 208432 220472 230764 236347 338702 358267 369824 387088 403837 409448 416864 440944 461528 472694 677404 716534 749983 774176 807674 818896 881888 923056 945388 1354808 1433068 1499966 1615348 1637792 1654429 1846112 1890776 2709616 2866136 2999932 3072511 3230696 3308858 3781552 5249881 5419232 5732272 5999864 6145022 6461392 6617716 7326757 7563104 10499762 11464544 11999728 12290044 12922784 13235432 14653514 20999524 21507577 23999456 24580088 26470864 29307028 41999048 43015154 49160176 51287299 52941728 58614056 83998096 86030308 95247841 98320352 102574598 117228112 167996192 172060616 190495682 205149196 234456224 344121232 380991364 410298392 666734887 688242464 761982728 820596784 1333469774 1523965456 1641193568 2666939548 3047930912 5333879096 10667758192 21335516384
• Sum of all divisors σ(n): 53814362112
• Sum of proper divisors (its aliquot sum) s(n): 32478845728
• 21335516384 is an abundant number, because the sum of its proper divisors (32478845728) is greater than itself. Its abundance is 11143329344

Bases of 21335516384

• Binary: 10011110111101100100010010011100000₂
• Hexadecimal: 0x4F7B224E0
• Base-36: 9SUM5SW

Squares and roots of 21335516384

• 21335516384 squared (21335516384²) is 455204259371932435456
• 21335516384 cubed (21335516384³) is 9712017933896450026412510511104
• The square root of 21335516384 is 146066.8216399605
• The cube root of 21335516384 is 2773.5396968503

Scales and comparisons

• 21,335,516,384 seconds is equal to 678 years, 20 weeks, 6 days, 20 hours, 19 minutes, 44 seconds.
• To count from 1 to 21,335,516,384 would take you about one thousand, three hundred fifty-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 21335516384 cubic inches would be around 231.1 feet tall.

Recreational maths with 21335516384

• 21335516384 backwards is 48361553312
• The number of decimal digits it has is: 11
• The sum of 21335516384's digits is 41
• More coming soon!