21105519184464

Names of 21105519184464

• Cardinal: 21105519184464 can be written as Twenty-one trillion, one hundred five billion, five hundred nineteen million, one hundred eighty-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1105519184464 × 10¹³

Factors of 21105519184464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 100

Divisors of 21105519184464

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 71 78 88 104 121 132 142 143 156 176 208 213 242 264 284 286 312 363 426 429 484 528 568 572 624 726 781 852 858 923 968 1136 1144 1331 1452 1562 1573 1704 1716 1846 1936 2288 2343 2662 2769 2904 3124 3146 3408 3432 3692 3993 4686 4719 5041 5324 5538 5808 6248 6292 6864 7384 7986 8591 9372 9438 10082 10153 10648 11076 12496 12584 14768 15123 15972 17182 17303 18744 18876 20164 20306 21296 22152 25168 25773 30246 30459 31944 34364 34606 37488 37752 40328 40612 44304 51546 51909 55451 60492 60918 63888 65533 68728 69212 75504 80656 81224 94501 103092 103818 110902 111683 120984 121836 131066 137456 138424 162448 166353 189002 196599 206184 207636 221804 223366 241968 243672 262132 276848 283503 332706 335049 357911 378004 393198 412368 415272 443608 446732 487344 524264 567006 609961 665412 670098 715822 720863 756008 786396 830544 887216 893464 1048528 1073733 1134012 1219922 1228513 1330824 1340196 1431644 1441726 1512016 1572792 1786928 1829883 2147466 2162589 2268024 2439844 2457026 2661648 2680392 2863288 2883452 3145584 3659766 3685539 3937021 4294932 4325178 4536048 4652843 4879688 4914052 5360784 5726576 5766904 6709571 7319532 7371078 7874042 7929493 8589864 8650356 9305686 9759376 9828104 11533808 11811063 13419142 13958529 14639064 14742156 15748084 15858986 17179728 17300712 18611372 19656208 20128713 23622126 23788479 25411681 26838284 27917058 29278128 29484312 31496168 31717972 34601424 37222744 40257426 43307231 47244252 47576958 50823362 51181273 53676568 55834116 58968624 62992336 63435944 74445488 76235043 80514852 86614462 87224423 94488504 95153916 101646724 102362546 107353136 111668232 126871888 129921693 152470086 153543819 161029704 173228924 174448846 188977008 190307832 203293448 204725092 223336464 259843386 261673269 279528491 304940172 307087638 322059408 330351853 346457848 348897692 380615664 406586896 409450184 476379541 519686772 523346538 559056982 562994003 609880344 614175276 660703706 692915696 697795384 818900368 838585473 952759082 991055559 1039373544 1046693076 1118113964 1125988006 1219760688 1228350552 1321407412 1395590768 1429138623 1677170946 1688982009 1905518164 1982111118 2078747088 2093386152 2236227928 2251976012 2456701104 2642814824 2858277246 3074813401 3354341892 3377964018 3633870383 3811036328 3964222236 4186772304 4472455856 4503952024 5285629648 5716554492 6149626802 6192934033 6708683784 6755928036 7267740766 7622072656 7928444472 9007904048 9224440203 10901611149 11433108984 12299253604 12385868066 13417367568 13511856072 14535481532 15856888944 18448880406 18578802099 21803222298 22866217968 24598507208 24771736132 27023712144 29070963064 33822947411 36897760812 37157604198 39972574213 43606444596 49197014416 49543472264 58141926128 67645894822 73795521624 74315208396 79945148426 87212889192 99086944528 101468842233 119917722639 135291789644 147591043248 148630416792 159890296852 174425778384 202937684466 239835445278 270583579288 297260833584 319780593704 405875368932 439698316343 479670890556 541167158576 639561187408 811750737864 879396632686 959341781112 1319094949029 1623501475728 1758793265372 1918683562224 2638189898058 3517586530744 5276379796116 7035173061488 10552759592232 21105519184464
• Sum of all divisors σ(n): 65506515856320
• Sum of proper divisors (its aliquot sum) s(n): 44400996671856
• 21105519184464 is an abundant number, because the sum of its proper divisors (44400996671856) is greater than itself. Its abundance is 23295477487392

Bases of 21105519184464

• Binary: 100110011001000000010111110010100101001010000₂
• Hexadecimal: 0x133202F94A50
• Base-36: 7HBQP6ZIO

Squares and roots of 21105519184464

• 21105519184464 squared (21105519184464²) is 445442940045777947658967296
• 21105519184464 cubed (21105519184464³) is 9401304516720213836701723123070367289344
• The square root of 21105519184464 is 4594074.3555654387
• The cube root of 21105519184464 is 27635.3740157973

Scales and comparisons

• 21,105,519,184,464 seconds is equal to 671,090 years, 11 weeks, 5 days, 9 hours, 54 minutes, 24 seconds.
• To count from 1 to 21,105,519,184,464 would take you about one million, six hundred seventy-seven thousand, seven hundred twenty-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 21105519184464 cubic inches would be around 2302.9 feet tall.

Recreational maths with 21105519184464

• 21105519184464 backwards is 46448191550112
• The number of decimal digits it has is: 14
• The sum of 21105519184464's digits is 51
• More coming soon!