21466799640

Names of 21466799640

• Cardinal: 21466799640 can be written as Twenty-one billion, four hundred sixty-six million, seven hundred ninety-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.146679964 × 10¹⁰

Factors of 21466799640

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1361

Divisors of 21466799640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 17 18 19 20 22 24 26 30 33 34 36 38 39 40 44 45 51 52 55 57 60 65 66 68 72 76 78 85 88 90 95 99 102 104 110 114 117 120 130 132 136 143 152 153 156 165 170 171 180 187 190 195 198 204 209 220 221 228 234 247 255 260 264 285 286 306 312 323 330 340 342 360 374 380 390 396 408 418 429 440 442 456 468 494 495 510 520 561 570 572 585 612 627 646 660 663 680 684 715 741 748 760 765 780 792 836 855 858 884 935 936 969 988 990 1020 1045 1105 1122 1140 1144 1170 1224 1235 1254 1287 1291 1292 1320 1326 1368 1430 1482 1496 1530 1560 1615 1672 1683 1710 1716 1768 1870 1881 1938 1976 1980 1989 2040 2090 2145 2210 2223 2244 2280 2340 2431 2470 2508 2574 2582 2584 2652 2717 2805 2860 2907 2964 3060 3135 3230 3315 3366 3420 3432 3553 3705 3740 3762 3873 3876 3960 3978 4180 4199 4290 4420 4446 4488 4680 4845 4862 4940 5016 5148 5164 5304 5434 5610 5720 5814 5928 6120 6270 6435 6455 6460 6630 6732 6840 7106 7293 7410 7480 7524 7746 7752 7956 8151 8360 8398 8415 8580 8840 8892 9405 9690 9724 9880 9945 10296 10328 10659 10868 11115 11220 11619 11628 12155 12540 12597 12870 12910 12920 13260 13464 13585 14201 14212 14535 14586 14820 15048 15492 15912 16302 16783 16796 16830 17160 17765 17784 18810 19365 19380 19448 19890 20995 21318 21736 21879 21947 22230 22440 23238 23256 24310 24453 24529 25080 25194 25740 25820 26520 27170 28402 28424 29070 29172 29640 30984 31977 32604 33566 33592 33660 35530 36465 37620 37791 38730 38760 39780 40755 41990 42603 42636 43758 43894 44460 46189 46476 48620 48906 49058 50349 50388 51480 51640 53295 54340 56804 58095 58140 58344 62985 63954 65208 65841 67132 67320 71005 71060 72930 73587 75240 75582 77460 79560 81510 83915 83980 85206 85272 87516 87788 88920 92378 92952 97240 97812 98116 100698 100776 106590 108680 109395 109735 113608 116190 116280 122265 122645 125970 127809 127908 131682 134264 138567 142010 142120 145860 147174 151047 151164 154920 159885 163020 167830 167960 170412 175032 175576 184613 184756 188955 195624 196232 197523 201396 213015 213180 218790 219470 220761 230945 232380 241417 244530 245290 251745 251940 255618 255816 263364 269819 277134 284020 285311 291720 294348 302094 302328 318877 319770 326040 329205 335660 340824 367935 369226 369512 377910 395046 402792 415701 416993 426030 426360 437580 438940 441522 461890 464760 482834 489060 490580 503490 503880 511236 526728 539638 553839 554268 568040 570622 588696 604188 637754 639045 639540 658410 671320 692835 724251 735870 738452 755235 755820 790092 809457 831402 833986 852060 855933 875160 877880 883044 923065 923780 956631 965668 978120 981160 987615 1006980 1022472 1079276 1103805 1107678 1108536 1141244 1207085 1208376 1250979 1275508 1278090 1279080 1316820 1349095 1385670 1426555 1448502 1471740 1476904 1510470 1511640 1580184 1594385 1618914 1661517 1662804 1667972 1704120 1711866 1766088 1846130 1847560 1913262 1931336 1975230 2013960 2078505 2084965 2158552 2172753 2207610 2215356 2282488 2414170 2428371 2501958 2551016 2556180 2567799 2633640 2698190 2769195 2771340 2853110 2869893 2897004 2943480 3020940 3138421 3188770 3237828 3323034 3325608 3335944 3423732 3507647 3621255 3692260 3752937 3826524 3950460 4047285 4157010 4169930 4279665 4345506 4415220 4430712 4586923 4783155 4828340 4856742 5003916 5112360 5135598 5396380 5420909 5538390 5542680 5706220 5739786 5794008 6041880 6254895 6276842 6377540 6475656 6646068 6847464 7015294 7242510 7384520 7505874 7653048 7900920 8094570 8307585 8314020 8339860 8559330 8691012 8830440 9173846 9415263 9566310 9656680 9713484 10007832 10271196 10522941 10792760 10841818 10863765 11076780 11412440 11479572 12141855 12509790 12553684 12755080 12838995 13292136 13760769 14030588 14349465 14485020 15011748 15692105 16189140 16262727 16615170 16628040 16679720 17118660 17382024 17538235 18347692 18764685 18830526 19132620 19426968 20542392 21045882 21683636 21727530 22153560 22934615 22959144 24283710 25019580 25107368 25677990 27104545 27521538 28061176 28245789 28698930 28970040 30023496 31384210 31568823 32378280 32525454 33230340 34237320 35076470 36695384 37529370 37661052 38265240 41282307 42091764 43367272 43455060 45869230 47076315 48567420 48788181 50039160 51355980 52614705 54209090 55043076 56491578 57397860 59629999 62768420 63137646 65050908 66460680 68803845 70152940 75058740 75322104 81313635 82564614 84183528 86910120 91738460 94152630 97134840 97576362 102711960 105229410 108418180 110086152 112983156 114795720 119259998 125536840 126275292 130101816 137607690 140305880 141228945 150117480 157844115 162627270 165129228 178889997 183476920 188305260 195152724 206411535 210458820 216836360 225966312 238519996 243940905 252550584 275215380 282457890 298149995 315688230 325254540 330258456 357779994 376610520 390305448 412823070 420917640 477039992 487881810 536669991 550430760 564915780 596299990 631376460 650509080 715559988 825646140 894449985 975763620 1073339982 1129831560 1192599980 1262752920 1431119976 1651292280 1788899970 1951527240 2146679964 2385199960 2683349955 3577799940 4293359928 5366699910 7155599880 10733399820 21466799640
• Sum of all divisors σ(n): 91423987200
• Sum of proper divisors (its aliquot sum) s(n): 69957187560
• 21466799640 is an abundant number, because the sum of its proper divisors (69957187560) is greater than itself. Its abundance is 48490387920

Bases of 21466799640

• Binary: 10011111111100001010101111000011000₂
• Hexadecimal: 0x4FF855E18
• Base-36: 9V0S0M0

Squares and roots of 21466799640

• 21466799640 squared (21466799640²) is 460823486783904129600
• 21466799640 cubed (21466799640³) is 9892405460196257927091793344000
• The square root of 21466799640 is 146515.5269587493
• The cube root of 21466799640 is 2779.2168506361

Scales and comparisons

• 21,466,799,640 seconds is equal to 682 years, 30 weeks, 7 hours, 54 minutes.
• To count from 1 to 21,466,799,640 would take you about one thousand, three hundred sixty-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 21466799640 cubic inches would be around 231.6 feet tall.

Recreational maths with 21466799640

• 21466799640 backwards is 04699766412
• The number of decimal digits it has is: 11
• The sum of 21466799640's digits is 54
• More coming soon!