21249708480

Names of 21249708480

• Cardinal: 21249708480 can be written as Twenty-one billion, two hundred forty-nine million, seven hundred eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.124970848 × 10¹⁰

Factors of 21249708480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 41

Divisors of 21249708480

• Number of divisors d(n): 1764
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 26 27 28 30 32 33 35 36 39 40 42 44 45 48 49 52 54 55 56 60 63 64 65 66 70 72 77 78 80 81 84 88 90 91 96 98 99 104 105 108 110 112 117 120 126 130 132 135 140 143 144 147 154 156 160 162 165 168 169 176 180 182 189 192 195 196 198 208 210 216 220 224 231 234 240 243 245 252 260 264 270 273 280 286 288 294 297 308 312 315 320 324 330 336 338 351 352 360 364 378 385 390 392 396 405 416 420 429 432 440 441 448 455 462 468 480 486 490 495 504 507 520 528 539 540 546 560 567 572 576 585 588 594 616 624 630 637 648 660 672 676 693 702 704 715 720 728 729 735 756 770 780 784 792 810 819 832 840 845 858 864 880 882 891 910 924 936 945 960 972 980 990 1001 1008 1014 1040 1053 1056 1078 1080 1092 1120 1134 1144 1155 1170 1176 1183 1188 1215 1232 1248 1260 1274 1287 1296 1320 1323 1344 1352 1365 1386 1404 1430 1440 1456 1458 1470 1485 1512 1521 1540 1560 1568 1584 1617 1620 1638 1680 1690 1701 1716 1728 1755 1760 1764 1782 1820 1848 1859 1872 1890 1911 1944 1960 1980 2002 2016 2028 2079 2080 2106 2112 2145 2156 2160 2184 2205 2240 2268 2288 2310 2340 2352 2366 2376 2430 2457 2464 2496 2520 2535 2548 2574 2592 2640 2646 2673 2695 2704 2730 2772 2808 2835 2860 2880 2912 2916 2940 2970 3003 3024 3042 3080 3120 3136 3159 3168 3185 3234 3240 3276 3360 3380 3402 3432 3465 3510 3520 3528 3549 3564 3640 3645 3696 3718 3744 3780 3822 3861 3888 3920 3960 3969 4004 4032 4056 4095 4158 4160 4212 4290 4312 4320 4368 4410 4455 4536 4563 4576 4620 4680 4704 4732 4752 4851 4860 4914 4928 5005 5040 5070 5096 5103 5148 5184 5265 5280 5292 5346 5390 5408 5460 5544 5577 5616 5670 5720 5733 5824 5832 5880 5915 5940 6006 6048 6084 6160 6237 6240 6318 6336 6370 6435 6468 6480 6552 6615 6720 6760 6804 6864 6930 7007 7020 7056 7098 7128 7280 7290 7371 7392 7436 7488 7560 7605 7644 7722 7776 7840 7920 7938 8008 8019 8085 8112 8190 8281 8316 8424 8505 8580 8624 8640 8736 8820 8910 9009 9072 9126 9152 9240 9295 9360 9408 9464 9477 9504 9555 9702 9720 9828 10010 10080 10140 10192 10206 10296 10395 10530 10560 10584 10647 10692 10780 10816 10920 11088 11154 11232 11340 11440 11466 11583 11664 11760 11830 11880 11907 12012 12096 12168 12285 12320 12474 12480 12636 12740 12870 12936 12960 13013 13104 13230 13365 13520 13608 13689 13728 13860 14014 14040 14112 14196 14256 14553 14560 14580 14742 14784 14872 15015 15120 15210 15288 15444 15552 15680 15795 15840 15876 16016 16038 16170 16224 16380 16562 16632 16731 16848 17010 17160 17199 17248 17472 17640 17745 17820 18018 18144 18252 18480 18590 18711 18720 18928 18954 19008 19110 19305 19404 19440 19656 19845 20020 20160 20280 20384 20412 20592 20790 21021 21060 21168 21294 21384 21560 21840 22113 22176 22308 22464 22680 22815 22880 22932 23166 23328 23520 23660 23760 23814 24024 24255 24336 24570 24640 24843 24948 25272 25480 25515 25740 25872 25920 26026 26208 26460 26730 27027 27040 27216 27378 27456 27720 27885 28028 28080 28224 28392 28512 28665 29106 29120 29160 29484 29744 30030 30240 30420 30576 30888 31185 31590 31680 31752 31941 32032 32076 32340 32448 32760 33124 33264 33462 33696 34020 34320 34398 34496 34749 35035 35280 35490 35640 35721 36036 36288 36504 36855 36960 37180 37422 37440 37856 37908 38220 38610 38808 38880 39039 39312 39690 40040 40095 40560 40768 40824 41067 41184 41405 41580 42042 42120 42336 42588 42768 43120 43659 43680 44226 44352 44616 45045 45360 45630 45760 45864 46332 46656 47040 47320 47385 47520 47628 48048 48510 48672 49140 49686 49896 50193 50544 50960 51030 51480 51597 51744 52052 52416 52920 53235 53460 54054 54080 54432 54756 55440 55770 56056 56133 56160 56784 57024 57330 57915 58212 58320 58968 59488 59535 60060 60480 60840 61152 61776 62370 63063 63180 63504 63882 64064 64152 64680 65065 65520 66248 66339 66528 66924 67392 68040 68445 68640 68796 69498 70070 70560 70980 71280 71442 72072 72765 73008 73710 73920 74360 74529 74844 75712 75816 76440 77220 77616 77760 78078 78624 79380 80080 80190 81081 81120 81648 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23849280 24092640 24147396 24594570 24766560 25147584 25297272 25540515 25945920 26234208 26830440 27104220 27243216 27597024 28108080 28911168 29149120 29189160 29513484 29719872 30184245 30270240 30663360 31434480 31621590 32196528 32792760 33359040 33729696 34054020 34496280 35773920 36138960 36324288 36891855 37149840 37477440 37945908 38918880 39351312 39424320 40245660 40864824 41912640 42162120 42928704 43366752 43723680 44270226 45405360 45995040 46702656 47432385 48185280 48294792 49189140 49533120 50594544 51081030 52468416 53660880 54208440 54486432 55194048 56216160 58378320 59026968 60368490 60540480 62868960 63243180 64393056 65585520 66405339 67459392 68108040 68992560 71547840 72277920 73783710 74299680 75891816 77837760 78702624 80491320 81729648 84324240 86733504 87447360 88540452 90810720 91990080 94864770 96589584 98378280 101189088 102162060 107321760 108416880 108972864 110675565 112432320 116756640 118053936 120736980 125737920 126486360 128786112 131171040 132810678 136216080 137985120 144555840 147567420 148599360 151783632 157405248 160982640 163459296 168648480 177080904 181621440 189729540 193179168 196756560 202378176 204324120 214643520 216833760 221351130 233513280 236107872 241473960 252972720 262342080 265621356 272432160 275970240 295134840 303567264 321965280 326918592 332026695 337296960 354161808 379459080 386358336 393513120 408648240 433667520 442702260 472215744 482947920 505945440 531242712 544864320 590269680 607134528 643930560 664053390 708323616 758918160 787026240 817296480 885404520 965895840 1011890880 1062485424 1180539360 1328106780 1416647232 1517836320 1634592960 1770809040 1931791680 2124970848 2361078720 2656213560 3035672640 3541618080 4249941696 5312427120 7083236160 10624854240 21249708480
• Sum of all divisors σ(n): 104251502952
• Sum of proper divisors (its aliquot sum) s(n): 83001794472
• 21249708480 is an abundant number, because the sum of its proper divisors (83001794472) is greater than itself. Its abundance is 61752085992

Bases of 21249708480

• Binary: 10011110010100101001101000111000000₂
• Hexadecimal: 0x4F294D1C0
• Base-36: 9RFJ000

Squares and roots of 21249708480

• 21249708480 squared (21249708480²) is 451550110484983910400
• 21249708480 cubed (21249708480³) is 9595308211917699513490440192000
• The square root of 21249708480 is 145772.7974623523
• The cube root of 21249708480 is 2769.8164622711

Scales and comparisons

• 21,249,708,480 seconds is equal to 675 years, 35 weeks, 16 hours, 48 minutes.
• To count from 1 to 21,249,708,480 would take you about one thousand, three hundred fifty-one 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 21249708480 cubic inches would be around 230.8 feet tall.

Recreational maths with 21249708480

• 21249708480 backwards is 08480794212
• 21249708480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21249708480's digits is 45
• More coming soon!