21313799892

Names of 21313799892

• Cardinal: 21313799892 can be written as Twenty-one billion, three hundred thirteen million, seven hundred ninety-nine thousand, eight hundred ninety-two.

Scientific notation

• Scientific notation: 2.1313799892 × 10¹⁰

Factors of 21313799892

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 181

Divisors of 21313799892

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 31 33 36 42 44 49 54 62 63 66 77 81 84 93 98 99 108 124 126 127 132 147 154 162 186 189 196 198 217 231 252 254 279 294 297 308 324 341 372 378 381 396 434 441 462 508 539 558 567 588 594 651 682 693 756 762 837 868 882 889 891 924 961 1023 1078 1116 1134 1143 1188 1302 1323 1364 1386 1397 1519 1524 1617 1674 1764 1778 1782 1922 1953 2046 2079 2156 2268 2286 2387 2511 2604 2646 2667 2772 2794 2883 3038 3069 3234 3348 3429 3556 3564 3844 3906 3937 3969 4092 4158 4191 4557 4572 4774 4851 5022 5292 5334 5588 5766 5859 6076 6138 6223 6237 6468 6727 6858 7161 7812 7874 7938 8001 8316 8382 8649 9114 9207 9548 9702 9779 10044 10287 10571 10668 11532 11718 11811 12276 12446 12474 12573 13454 13671 13716 14322 14553 15748 15876 16002 16709 16764 17298 17577 18228 18414 18669 19404 19558 20181 20574 21142 21483 23436 23622 24003 24892 24948 25146 25947 26908 27342 27559 27621 28644 29106 29337 31713 32004 33418 34596 35154 35433 36828 37338 37719 39116 40362 41013 41148 42284 42966 43307 43659 47089 47244 48006 50127 50292 51894 54684 55118 55242 56007 58212 58674 60543 63426 64449 66836 68453 70308 70866 72009 73997 74676 75438 77841 80724 82026 82677 85932 86614 87318 88011 94178 95139 96012 100254 103788 106299 110236 110484 112014 113157 117348 121086 122047 123039 126852 128898 129921 136906 141267 141732 144018 147994 150381 150876 155682 164052 165354 168021 173228 174636 176022 181629 188356 190278 192913 193347 200508 205359 212598 221991 224028 226314 242172 244094 246078 248031 257796 259842 264033 273812 282534 285417 288036 295988 300762 303149 311364 318897 330708 336042 352044 363258 366141 380556 385826 386694 389763 410718 423801 425196 443982 451143 452628 488188 492156 496062 504063 517979 519684 528066 544887 565068 570834 578739 601524 606298 616077 637794 665973 672084 726516 732282 744093 771652 773388 779526 792099 821436 847602 854329 856251 887964 902286 909447 992124 1008126 1035958 1056132 1089774 1098423 1141668 1157478 1169289 1212596 1232154 1271403 1275588 1331946 1342517 1353429 1464564 1488186 1553937 1559052 1584198 1695204 1708658 1712502 1736217 1804572 1818894 1848231 1997919 2016252 2071916 2122043 2179548 2196846 2232279 2314956 2338578 2464308 2542806 2562987 2663892 2685034 2706858 2728341 2976372 3107874 3168396 3295269 3417316 3425004 3472434 3507867 3637788 3696462 3814209 3995838 4027551 4244086 4393692 4464558 4661811 4677156 5085612 5125974 5208651 5370068 5413716 5456682 5544693 5980303 5993757 6215748 6366129 6590538 6944868 7015734 7392924 7628418 7688961 7991676 8055102 8185023 8488172 8929116 9323622 9397619 9885807 10251948 10417302 10913364 11089386 11960606 11987514 12082653 12732258 13181076 13985433 14031468 15256836 15377922 15625953 16110204 16370046 17940909 18647244 18795238 19098387 19771614 20834604 22178772 23066883 23921212 23975028 24165306 24555069 25464516 27970866 28192857 30755844 31251906 32740092 35881818 36247959 37590476 38196774 39543228 41956299 46133766 48330612 49110138 53822727 55941732 56385714 57295161 62503812 65783333 69200649 71763636 72495918 76393548 83912598 84578571 92267532 98220276 107645454 108743877 112771428 114590322 131566666 138401298 144991836 161468181 167825196 169157142 171885483 197349999 215290908 217487754 229180644 253735713 263133332 276802596 322936362 338314284 343770966 394699998 434975508 484404543 507471426 592049997 645872724 687541932 761207139 789399996 968809086 1014942852 1184099994 1522414278 1776149991 1937618172 2368199988 3044828556 3552299982 5328449973 7104599964 10656899946 21313799892
• Sum of all divisors σ(n): 73637448192
• Sum of proper divisors (its aliquot sum) s(n): 52323648300
• 21313799892 is an abundant number, because the sum of its proper divisors (52323648300) is greater than itself. Its abundance is 31009848408

Bases of 21313799892

• Binary: 10011110110011001101100011011010100₂
• Hexadecimal: 0x4F666C6D4
• Base-36: 9SHOP90

Squares and roots of 21313799892

• 21313799892 squared (21313799892²) is 454278065836219211664
• 21313799892 cubed (21313799892³) is 9682391790557977923252488340288
• The square root of 21313799892 is 145992.4651891323
• The cube root of 21313799892 is 2772.5983556799

Scales and comparisons

• 21,313,799,892 seconds is equal to 677 years, 37 weeks, 11 hours, 58 minutes, 12 seconds.
• To count from 1 to 21,313,799,892 would take you about one thousand, three hundred fifty-five 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 21313799892 cubic inches would be around 231 feet tall.

Recreational maths with 21313799892

• 21313799892 backwards is 29899731312
• 21313799892 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21313799892's digits is 54
• More coming soon!