21155675987264

Names of 21155675987264

• Cardinal: 21155675987264 can be written as Twenty-one trillion, one hundred fifty-five billion, six hundred seventy-five million, nine hundred eighty-seven thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 2.1155675987264 × 10¹³

Factors of 21155675987264

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 302

Divisors of 21155675987264

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 89 91 98 104 112 178 182 191 196 208 224 343 356 364 382 392 416 448 623 637 686 712 728 764 784 832 1157 1246 1274 1337 1372 1424 1456 1528 1568 2314 2401 2483 2492 2548 2674 2744 2848 2912 3056 3136 4361 4459 4628 4802 4966 4984 5096 5348 5488 5696 5824 6112 7921 8099 8722 8918 9256 9359 9604 9932 9968 10192 10696 10976 12224 15842 16198 16807 16999 17381 17444 17836 18512 18718 19208 19864 19936 20384 21392 21952 30527 31213 31684 32396 33614 33998 34762 34888 35672 37024 37436 38416 39728 39872 40768 42784 55447 56693 61054 62426 63368 64792 65513 67228 67996 69524 69776 71344 74048 74872 76832 79456 85568 102973 110894 113386 118993 121667 122108 124852 126736 129584 131026 134456 135992 139048 139552 142688 149744 153664 158912 205946 213689 218491 220987 221788 226772 237986 243334 244216 249704 253472 259168 262052 268912 271984 278096 279104 285376 299488 388129 396851 411892 427378 436982 441974 443576 453544 458591 475972 486668 488432 499408 506944 518336 524104 537824 543968 556192 598976 720811 776258 793702 823784 832951 851669 854756 873964 883948 887152 907088 917182 951944 973336 976864 998816 1048208 1075648 1087936 1112384 1441622 1495823 1512911 1546909 1552516 1587404 1647568 1665902 1703338 1709512 1747928 1767896 1774304 1814176 1834364 1903888 1946672 1953728 1997632 2096416 2716903 2777957 2883244 2991646 3025822 3093818 3105032 3174808 3210137 3295136 3331804 3406676 3419024 3495856 3535792 3548608 3628352 3668728 3807776 3893344 4192832 5045677 5433806 5555914 5766488 5830657 5961683 5983292 6051644 6187636 6210064 6349616 6420274 6590272 6663608 6813352 6838048 6991712 7071584 7337456 7615552 7786688 10091354 10590377 10828363 10867612 11111828 11532976 11661314 11923366 11966584 12103288 12375272 12420128 12699232 12840548 13327216 13626704 13676096 13983424 14143168 14674912 19018321 19445699 19667843 20182708 21180754 21656726 21735224 22223656 23065952 23322628 23846732 23933168 24206576 24750544 24840256 25398464 25681096 26654432 27253408 29349824 35319739 38036642 38891398 39335686 40365416 40814599 41731781 42361508 43313452 43470448 44447312 46131904 46645256 47693464 47866336 48413152 49501088 51362192 53308864 54506816 70639478 74132639 75798541 76073284 77782796 78671372 80730832 81629198 83463562 84723016 86626904 86940896 88894624 93290512 95386928 95732672 96826304 99002176 102724384 133128247 137674901 141278956 148265278 151597082 152146568 155565592 157342744 161461664 163258396 166927124 169446032 173253808 173881792 177789248 186581024 190773856 205448768 247238173 266256494 275349802 282557912 285702193 296530556 303194164 304293136 311131184 314685488 322923328 326516792 333854248 338892064 346507616 373162048 381547712 494476346 518928473 530589787 532512988 550699604 565115824 571404386 593061112 606388328 608586272 622262368 629370976 653033584 667708496 677784128 693015232 963724307 988952692 1037856946 1061179574 1065025976 1101399208 1130231648 1142808772 1186122224 1212776656 1217172544 1244524736 1258741952 1306067168 1335416992 1730667211 1927448614 1977905384 2075713892 2122359148 2130051952 2202798416 2260463296 2285617544 2372244448 2425553312 2612134336 2670833984 3461334422 3632499311 3714128509 3854897228 3955810768 4151427784 4244718296 4260103904 4405596832 4571235088 4744488896 4851106624 6746070149 6922668844 7264998622 7428257018 7709794456 7911621536 8302855568 8489436592 8520207808 8811193664 9142470176 13492140298 13845337688 14529997244 14856514036 15419588912 15823243072 16605711136 16978873184 18284940352 25427495177 26984280596 27690675376 29059994488 29713028072 30839177824 33211422272 33957746368 47222491043 50854990354 53968561192 55381350752 58119988976 59426056144 61678355648 94444982086 101709980708 107937122384 110762701504 116239977952 118852112288 188889964172 203419961416 215874244768 232479955904 237704224576 330557437301 377779928344 406839922832 431748489536 661114874602 755559856688 813679845664 1322229749204 1511119713376 1627359691328 2644459498408 3022239426752 5288918996816 10577837993632 21155675987264
• Sum of all divisors σ(n): 53623235570688
• Sum of proper divisors (its aliquot sum) s(n): 32467559583424
• 21155675987264 is an abundant number, because the sum of its proper divisors (32467559583424) is greater than itself. Its abundance is 11311883596160

Bases of 21155675987264

• Binary: 100110011110110110000100011010101110101000000₂
• Hexadecimal: 0x133DB08D5D40
• Base-36: 7HYS79C8W

Squares and roots of 21155675987264

• 21155675987264 squared (21155675987264²) is 447562626478098621090205696
• 21155675987264 cubed (21155675987264³) is 9468489909779517913006094439725636255744
• The square root of 21155675987264 is 4599529.9746021875
• The cube root of 21155675987264 is 27657.2483168025

Scales and comparisons

• 21,155,675,987,264 seconds is equal to 672,685 years, 2 weeks, 6 days, 23 hours, 7 minutes, 44 seconds.
• To count from 1 to 21,155,675,987,264 would take you about one million, six hundred eighty-one thousand, seven hundred twelve 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 21155675987264 cubic inches would be around 2304.8 feet tall.

Recreational maths with 21155675987264

• 21155675987264 backwards is 46278957655112
• The number of decimal digits it has is: 14
• The sum of 21155675987264's digits is 68
• More coming soon!