21071315552

Names of 21071315552

• Cardinal: 21071315552 can be written as Twenty-one billion, seventy-one million, three hundred fifteen thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1071315552 × 10¹⁰

Factors of 21071315552

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 57

Divisors of 21071315552

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 29 32 38 49 56 58 76 98 112 116 133 152 196 203 224 232 266 304 392 406 464 532 551 608 784 812 841 928 931 1064 1102 1421 1568 1624 1682 1862 2128 2204 2842 3248 3364 3724 3857 4256 4408 5684 5887 6496 6728 7448 7714 8816 11368 11774 13456 14896 15428 15979 17632 22736 23548 24389 26912 26999 29792 30856 31958 41209 45472 47096 48778 53998 61712 63916 82418 94192 97556 107996 111853 123424 127832 164836 170723 188384 195112 215992 223706 255664 329672 341446 390224 431984 447412 463391 511328 659344 682892 707281 780448 782971 863968 894824 926782 1195061 1318688 1365784 1414562 1565942 1789648 1853564 2390122 2731568 2829124 3131884 3243737 3579296 3707128 4780244 4950967 5463136 5658248 6263768 6487474 7414256 9560488 9901934 11316496 12527536 12974948 13438339 14828512 19120976 19803868 22632992 22706159 25055072 25949896 26876678 34656769 38241952 39607736 45412318 51899792 53753356 69313538 79215472 90824636 94068373 103799584 107506712 138627076 158430944 181649272 188136746 215013424 277254152 363298544 376273492 430026848 554508304 658478611 726597088 752546984 1109016608 1316957222 1505093968 2633914444 3010187936 5267828888 10535657776 21071315552
• Sum of all divisors σ(n): 52611094620
• Sum of proper divisors (its aliquot sum) s(n): 31539779068
• 21071315552 is an abundant number, because the sum of its proper divisors (31539779068) is greater than itself. Its abundance is 10468463516

Bases of 21071315552

• Binary: 10011100111111100101100001001100000₂
• Hexadecimal: 0x4E7F2C260
• Base-36: 9OHBF4W

Squares and roots of 21071315552

• 21071315552 squared (21071315552²) is 444000339091957064704
• 21071315552 cubed (21071315552³) is 9355671250201628455613665476608
• The square root of 21071315552 is 145159.6209419135
• The cube root of 21071315552 is 2762.0437302773

Scales and comparisons

• 21,071,315,552 seconds is equal to 670 years, 23 hours, 12 minutes, 32 seconds.
• To count from 1 to 21,071,315,552 would take you about one thousand, three hundred forty 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 21071315552 cubic inches would be around 230.2 feet tall.

Recreational maths with 21071315552

• 21071315552 backwards is 25551317012
• 21071315552 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21071315552's digits is 32
• More coming soon!