21918469104

Names of 21918469104

• Cardinal: 21918469104 can be written as Twenty-one billion, nine hundred eighteen million, four hundred sixty-nine thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1918469104 × 10¹⁰

Factors of 21918469104

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 365

Divisors of 21918469104

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 34 36 42 48 49 51 54 56 63 68 72 79 81 84 98 102 108 112 119 126 136 144 147 153 158 162 168 189 196 204 216 237 238 252 257 272 294 306 316 324 336 357 378 392 408 432 441 459 474 476 504 514 553 567 588 612 632 648 711 714 756 771 784 816 833 882 918 948 952 1008 1028 1071 1106 1134 1176 1224 1264 1296 1323 1343 1377 1422 1428 1512 1542 1659 1666 1764 1799 1836 1896 1904 2056 2133 2142 2212 2268 2313 2352 2448 2499 2646 2686 2754 2844 2856 3024 3084 3213 3318 3332 3528 3598 3672 3792 3871 3969 4029 4112 4266 4284 4369 4424 4536 4626 4977 4998 5292 5372 5397 5508 5688 5712 6168 6399 6426 6636 6664 6939 7056 7196 7344 7497 7742 7938 8058 8532 8568 8738 8848 9072 9252 9401 9639 9954 9996 10584 10744 10794 11016 11376 11613 12087 12336 12593 12798 12852 13107 13272 13328 13878 14392 14931 14994 15484 15876 16116 16191 17064 17136 17476 18504 18802 19278 19908 19992 20303 20817 21168 21488 21588 22032 22491 23226 24174 25186 25596 25704 26214 26544 27756 28203 28784 29862 29988 30583 30968 31752 32232 32382 34128 34839 34952 36261 37008 37604 37779 38556 39321 39816 39984 40606 41634 43176 44793 44982 46452 48348 48573 50372 51192 51408 52428 55512 56406 59724 59976 60909 61166 61936 63504 64464 64764 65807 67473 69678 69904 72522 75208 75558 77112 78642 79632 81212 83268 84609 86352 89586 89964 91749 92904 96696 97146 100744 102384 104517 104856 108783 111024 112812 113337 117963 119448 119952 121818 122332 129528 131614 134946 139356 142121 145044 145719 150416 151116 154224 157284 162424 166536 169218 179172 179928 182727 183498 185808 193392 194292 197421 201488 209034 209712 214081 217566 225624 226674 235926 238896 243636 244664 253827 259056 263228 269892 275247 278712 284242 290088 291438 302232 313551 314568 324848 333072 338436 340011 345151 353889 358344 359856 365454 366996 388584 394842 418068 426363 428162 435132 451248 453348 471852 487272 489328 507654 526456 539784 548181 550494 557424 568484 580176 582876 592263 604464 627102 629136 642243 676872 680022 690302 707778 716688 730908 733992 761481 777168 789684 825741 836136 852726 856324 870264 906696 943704 974544 994847 1015308 1020033 1035453 1052912 1079568 1096362 1100988 1136968 1165752 1184526 1254204 1279089 1284486 1353744 1360044 1380604 1415556 1461816 1467984 1522962 1579368 1644543 1651482 1672272 1705452 1712648 1740528 1776789 1813392 1887408 1926729 1989694 2030616 2040066 2070906 2192724 2201976 2273936 2331504 2369052 2416057 2477223 2508408 2558178 2568972 2720088 2761208 2831112 2923632 2984541 3045924 3106359 3158736 3289086 3302964 3410904 3425296 3553578 3837267 3853458 3979388 4061232 4080132 4141812 4385448 4403952 4738104 4832114 4954446 5016816 5116356 5137944 5330367 5440176 5522416 5662224 5780187 5969082 6091848 6212718 6578172 6605928 6821808 7107156 7248171 7674534 7706916 7958776 8160264 8283624 8770896 8953623 9319077 9476208 9664228 9908892 10232712 10275888 10660734 11511801 11560374 11938164 12183696 12425436 13156344 13211856 14214312 14496342 15349068 15413832 15917552 16320528 16567248 16912399 17340561 17907246 18638154 19328456 19817784 20465424 21321468 21744513 23023602 23120748 23876328 24850872 26312688 26860869 27957231 28428624 28992684 30698136 30827664 33824798 34681122 35814492 37276308 38656912 39635568 42642936 43489026 46047204 46241496 47752656 49701744 50737197 53721738 55914462 57985368 61396272 65233539 67649596 69362244 71628984 74552616 80582607 85285872 86978052 92094408 92482992 101474394 107443476 111828924 115970736 130467078 135299192 138724488 143257968 149105232 152211591 161165214 173956104 184188816 195700617 202948788 214886952 223657848 260934156 270598384 277448976 304423182 322330428 347912208 391401234 405897576 429773904 447315696 456634773 521868312 608846364 644660856 782802468 811795152 913269546 1043736624 1217692728 1289321712 1369904319 1565604936 1826539092 2435385456 2739808638 3131209872 3653078184 5479617276 7306156368 10959234552 21918469104
• Sum of all divisors σ(n): 79433576640
• Sum of proper divisors (its aliquot sum) s(n): 57515107536
• 21918469104 is an abundant number, because the sum of its proper divisors (57515107536) is greater than itself. Its abundance is 35596638432

Bases of 21918469104

• Binary: 10100011010011100010100101111110000₂
• Hexadecimal: 0x51A714BF0
• Base-36: A2HOV00

Squares and roots of 21918469104

• 21918469104 squared (21918469104²) is 480419287863002562816
• 21918469104 cubed (21918469104³) is 10530055317990903857755315236864
• The square root of 21918469104 is 148048.8740382713
• The cube root of 21918469104 is 2798.5736401821

Scales and comparisons

• 21,918,469,104 seconds is equal to 696 years, 48 weeks, 5 days, 23 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,918,469,104 would take you about one thousand, three hundred ninety-three 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 21918469104 cubic inches would be around 233.2 feet tall.

Recreational maths with 21918469104

• 21918469104 backwards is 40196481912
• The number of decimal digits it has is: 11
• The sum of 21918469104's digits is 45
• More coming soon!