21219135840
21,219,135,840 is an even composite number composed of six prime numbers multiplied together.
21219135840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21219135840:
25 × 34 × 5 × 7 × 67 × 3491
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 67 × 3491)See below for interesting mathematical facts about the number 21219135840 from the Numbermatics database.
Names of 21219135840
- Cardinal: 21219135840 can be written as Twenty-one billion, two hundred nineteen million, one hundred thirty-five thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.121913584 × 1010
Factors of 21219135840
Divisors of 21219135840
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 67 70 72 80 81 84 90 96 105 108 112 120 126 134 135 140 144 160 162 168 180 189 201 210 216 224 240 252 268 270 280 288 315 324 335 336 360 378 402 405 420 432 469 480 504 536 540 560 567 603 630 648 670 672 720 756 804 810 840 864 938 945 1005 1008 1072 1080 1120 1134 1206 1260 1296 1340 1407 1440 1512 1608 1620 1680 1809 1876 1890 2010 2016 2144 2160 2268 2345 2412 2520 2592 2680 2814 2835 3015 3024 3216 3240 3360 3491 3618 3752 3780 4020 4221 4320 4536 4690 4824 5040 5360 5427 5628 5670 6030 6048 6432 6480 6982 7035 7236 7504 7560 8040 8442 9045 9072 9380 9648 10080 10473 10720 10854 11256 11340 12060 12663 12960 13964 14070 14472 15008 15120 16080 16884 17455 18090 18144 18760 19296 20946 21105 21708 22512 22680 24120 24437 25326 27135 27928 28140 28944 30240 31419 32160 33768 34910 36180 37520 37989 41892 42210 43416 45024 45360 48240 48874 50652 52365 54270 55856 56280 57888 62838 63315 67536 69820 72360 73311 75040 75978 83784 84420 86832 90720 94257 96480 97748 101304 104730 108540 111712 112560 122185 125676 126630 135072 139640 144720 146622 151956 157095 167568 168840 173664 188514 189945 195496 202608 209460 217080 219933 225120 233897 244370 251352 253260 279280 282771 289440 293244 303912 314190 335136 337680 366555 377028 379890 390992 405216 418920 434160 439866 467794 471285 488740 502704 506520 558560 565542 586488 607824 628380 659799 675360 701691 733110 754056 759780 781984 837840 868320 879732 935588 942570 977480 1005408 1013040 1099665 1131084 1169485 1172976 1215648 1256760 1319598 1403382 1413855 1466220 1508112 1519560 1637279 1675680 1759464 1871176 1885140 1954960 1979397 2026080 2105073 2199330 2262168 2338970 2345952 2513520 2639196 2806764 2827710 2932440 3016224 3039120 3274558 3298995 3508455 3518928 3742352 3770280 3909920 3958794 4210146 4398660 4524336 4677940 4911837 5027040 5278392 5613528 5655420 5864880 6078240 6315219 6549116 6597990 7016910 7037856 7484704 7540560 7917588 8186395 8420292 8797320 9048672 9355880 9823674 9896985 10525365 10556784 11227056 11310840 11729760 12630438 13098232 13195980 14033820 14735511 15081120 15835176 16372790 16840584 17594640 18711760 18945657 19647348 19793970 21050730 21113568 22454112 22621680 24559185 25260876 26196464 26391960 28067640 29471022 31576095 31670352 32745580 33681168 35189280 37423520 37891314 39294696 39587940 42101460 44206533 45243360 49118370 50521752 52392928 52783920 56135280 58942044 63152190 63340704 65491160 67362336 73677555 75782628 78589392 79175880 84202920 88413066 94728285 98236740 101043504 105567840 112270560 117884088 126304380 130982320 132619599 147355110 151565256 157178784 158351760 168405840 176826132 189456570 196473480 202087008 221032665 235768176 252608760 261964640 265239198 294710220 303130512 316703520 336811680 353652264 378913140 392946960 442065330 471536352 505217520 530478396 589420440 606261024 663097995 707304528 757826280 785893920 884130660 1010435040 1060956792 1178840880 1326195990 1414609056 1515652560 1768261320 2121913584 2357681760 2652391980 3031305120 3536522640 4243827168 5304783960 7073045280 10609567920 21219135840
- Sum of all divisors σ(n): 86886100224
- Sum of proper divisors (its aliquot sum) s(n): 65666964384
- 21219135840 is an abundant number, because the sum of its proper divisors (65666964384) is greater than itself. Its abundance is 44447828544
Bases of 21219135840
- Binary: 100111100001100001001010001011000002
- Hexadecimal: 0x4F0C25160
- Base-36: 9QXBQ00
Squares and roots of 21219135840
- 21219135840 squared (212191358402) is 450251725796372505600
- 21219135840 cubed (212191358403) is 9553952531867660375567560704000
-
The
square root of 21219135840 is 145667.8957080111 -
The
cube root of 21219135840 is 2768.4874833339
Scales and comparisons
How big is 21219135840?- 21,219,135,840 seconds is equal to 674 years, 36 weeks, 3 days, 20 hours, 24 minutes.
-
To count from 1 to 21,219,135,840 would take you about one thousand, three hundred forty-nine 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 21219135840 cubic inches would be around 230.7 feet tall.
Recreational maths with 21219135840
- 21219135840 backwards is 04853191212
- 21219135840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21219135840's digits is 36
- More coming soon!
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