21031577952

Names of 21031577952

• Cardinal: 21031577952 can be written as Twenty-one billion, thirty-one million, five hundred seventy-seven thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 2.1031577952 × 10¹⁰

Factors of 21031577952

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 714

Divisors of 21031577952

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 43 44 48 56 66 77 84 86 88 96 112 127 129 132 154 168 172 176 224 231 254 258 264 301 308 336 344 352 381 462 473 508 516 521 528 602 616 672 688 762 889 903 924 946 1016 1032 1042 1056 1204 1232 1376 1397 1419 1524 1563 1778 1806 1848 1892 2032 2064 2084 2408 2464 2667 2794 2838 3048 3126 3311 3556 3612 3647 3696 3784 4064 4128 4168 4191 4816 5334 5461 5588 5676 5731 6096 6252 6622 7112 7224 7294 7392 7568 8336 8382 9632 9779 9933 10668 10922 10941 11176 11352 11462 12192 12504 13244 14224 14448 14588 15136 16383 16672 16764 17193 19558 19866 21336 21844 21882 22352 22403 22704 22924 25008 26488 28448 28896 29176 29337 32766 33528 34386 38227 39116 39732 40117 42672 43688 43764 44704 44806 45408 45848 50016 52976 58352 58674 60071 65532 66167 67056 67209 68772 76454 78232 79464 80234 85344 87376 87528 89612 91696 105952 114681 116704 117348 120142 120351 131064 132334 134112 134418 137544 152908 156464 156821 158928 160468 174752 175056 179224 180213 183392 198501 229362 234696 240284 240702 246433 262128 264668 268836 275088 305816 312928 313642 317856 320936 350112 358448 360426 397002 420497 458724 463169 469392 470463 480568 481404 492866 524256 529336 537672 550176 611632 627284 641872 716896 720852 727837 739299 794004 840994 917448 926338 938784 940926 961136 962808 985732 1058672 1075344 1223264 1254568 1261491 1283744 1389507 1441704 1455674 1478598 1588008 1681988 1725031 1834896 1852676 1881852 1922272 1925616 1971464 2117344 2150688 2183511 2509136 2522982 2779014 2845181 2883408 2911348 2957196 3176016 3363976 3450062 3669792 3705352 3763704 3851232 3942928 4367022 5018272 5045964 5094859 5175093 5558028 5690362 5766816 5822696 5914392 6352032 6727952 6900124 7410704 7527408 7885856 8535543 8734044 10091928 10189718 10350186 11116056 11380724 11645392 11828784 13455904 13800248 14821408 15054816 15284577 17071086 17468088 19916267 20183856 20379436 20700372 22232112 22761448 23290784 23657568 27600496 30569154 31296991 34142172 34936176 39832534 40367712 40758872 41400744 44464224 45522896 55200992 59748801 61138308 62593982 68284344 69872352 79665068 81517744 82801488 91045792 93890973 119497602 122276616 125187964 136568688 159330136 163035488 165602976 187781946 219078937 238995204 244553232 250375928 273137376 318660272 375563892 438157874 477990408 489106464 500751856 637320544 657236811 751127784 876315748 955980816 1001503712 1314473622 1502255568 1752631496 1911961632 2628947244 3004511136 3505262992 5257894488 7010525984 10515788976 21031577952
• Sum of all divisors σ(n): 71122157568
• Sum of proper divisors (its aliquot sum) s(n): 50090579616
• 21031577952 is an abundant number, because the sum of its proper divisors (50090579616) is greater than itself. Its abundance is 29059001664

Bases of 21031577952

• Binary: 10011100101100101000110100101100000₂
• Hexadecimal: 0x4E5946960
• Base-36: 9NTNPEO

Squares and roots of 21031577952

• 21031577952 squared (21031577952²) is 442327271151052514304
• 21031577952 cubed (21031577952³) is 9302840483508801721430171025408
• The square root of 21031577952 is 145022.6808192429
• The cube root of 21031577952 is 2760.3063596077

Scales and comparisons

• 21,031,577,952 seconds is equal to 668 years, 38 weeks, 3 days, 59 minutes, 12 seconds.
• To count from 1 to 21,031,577,952 would take you about one thousand, three hundred thirty-seven 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 21031577952 cubic inches would be around 230 feet tall.

Recreational maths with 21031577952

• 21031577952 backwards is 25977513012
• 21031577952 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21031577952's digits is 42
• More coming soon!