21026136384

Names of 21026136384

• Cardinal: 21026136384 can be written as Twenty-one billion, twenty-six million, one hundred thirty-six thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1026136384 × 10¹⁰

Factors of 21026136384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2163

Divisors of 21026136384

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 31 32 33 34 36 44 48 51 54 62 64 66 68 72 88 93 96 99 102 108 124 132 136 144 153 176 186 187 192 198 204 216 248 264 272 279 288 297 306 341 352 372 374 396 408 432 459 496 527 528 544 558 561 576 594 612 682 704 744 748 792 816 837 864 918 992 1023 1054 1056 1088 1116 1122 1188 1224 1364 1488 1496 1581 1584 1632 1674 1683 1728 1836 1984 2046 2099 2108 2112 2232 2244 2376 2448 2728 2976 2992 3069 3162 3168 3264 3348 3366 3672 4092 4198 4216 4464 4488 4743 4752 4896 5049 5456 5797 5952 5984 6138 6297 6324 6336 6696 6732 7344 8184 8396 8432 8928 8976 9207 9486 9504 9792 10098 10912 11594 11968 12276 12594 12648 13392 13464 14229 14688 16368 16792 16864 17391 17856 17952 18414 18891 18972 19008 20196 21824 23089 23188 24552 25188 25296 26784 26928 28458 29376 32736 33584 33728 34782 35683 35904 36828 37782 37944 40392 46178 46376 49104 50376 50592 52173 53568 53856 56673 56916 65069 65472 67168 69267 69564 71366 73656 75564 75888 80784 92356 92752 98208 100752 101184 104346 107049 107712 113346 113832 130138 134336 138534 139128 142732 147312 151128 151776 156519 161568 184712 185504 195207 196416 201504 207801 208692 214098 226692 227664 260276 277068 278256 285464 294624 302256 303552 313038 321147 323136 369424 371008 390414 392513 403008 415602 417384 428196 453384 455328 520552 554136 556512 570928 585621 589248 604512 623403 626076 642294 715759 738848 780828 785026 831204 834768 856392 906768 910656 963441 1041104 1106173 1108272 1113024 1141856 1171242 1177539 1209024 1246806 1252152 1284588 1431518 1477696 1561656 1570052 1662408 1669536 1712784 1756863 1813536 1926882 2082208 2147277 2212346 2216544 2283712 2342484 2355078 2493612 2504304 2569176 2863036 3123312 3140104 3318519 3324816 3339072 3425568 3513726 3532617 3627072 3853764 4164416 4294554 4424692 4433088 4684968 4710156 4987224 5008608 5138352 5726072 6246624 6280208 6441831 6637038 6649632 6851136 7027452 7065234 7707528 8589108 8849384 9369936 9420312 9955557 9974448 10017216 10276704 10597851 11452144 12167903 12493248 12560416 12883662 13274076 13299264 14054904 14130468 15415056 17178216 17698768 18739872 18840624 19325493 19911114 19948896 20553408 21195702 22904288 24335806 25120832 25767324 26548152 28109808 28260936 29866671 30830112 34356432 35397536 36503709 37479744 37681248 38650986 39822228 39897792 42391404 45808576 48671612 51534648 53096304 56219616 56521872 59733342 61660224 68712864 70795072 73007418 75362496 77301972 79644456 84782808 97343224 103069296 106192608 109511127 112439232 113043744 119466684 137425728 146014836 154603944 159288912 169565616 194686448 206138592 212385216 219022254 226087488 238933368 292029672 309207888 318577824 328533381 339131232 389372896 412277184 438044508 477866736 584059344 618415776 637155648 657066762 678262464 778745792 876089016 955733472 1168118688 1236831552 1314133524 1752178032 1911466944 2336237376 2628267048 3504356064 5256534096 7008712128 10513068192 21026136384
• Sum of all divisors σ(n): 73737216000
• Sum of proper divisors (its aliquot sum) s(n): 52711079616
• 21026136384 is an abundant number, because the sum of its proper divisors (52711079616) is greater than itself. Its abundance is 31684943232

Bases of 21026136384

• Binary: 10011100101010000010110000101000000₂
• Hexadecimal: 0x4E5416140
• Base-36: 9NQF2O0

Squares and roots of 21026136384

• 21026136384 squared (21026136384²) is 442098411238568595456
• 21026136384 cubed (21026136384³) is 9295621489851861648997178671104
• The square root of 21026136384 is 145003.9185125699
• The cube root of 21026136384 is 2760.0682780841

Scales and comparisons

• 21,026,136,384 seconds is equal to 668 years, 29 weeks, 3 days, 1 hour, 26 minutes, 24 seconds.
• To count from 1 to 21,026,136,384 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 21026136384 cubic inches would be around 230 feet tall.

Recreational maths with 21026136384

• 21026136384 backwards is 48363162012
• 21026136384 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21026136384's digits is 36
• More coming soon!