21043681920
21,043,681,920 is an even composite number composed of six prime numbers multiplied together.
21043681920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21043681920:
27 × 32 × 5 × 37 × 293 × 337
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 37 × 293 × 337)See below for interesting mathematical facts about the number 21043681920 from the Numbermatics database.
Names of 21043681920
- Cardinal: 21043681920 can be written as Twenty-one billion, forty-three million, six hundred eighty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.104368192 × 1010
Factors of 21043681920
Divisors of 21043681920
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 128 144 148 160 180 185 192 222 240 288 293 296 320 333 337 360 370 384 444 480 555 576 586 592 640 666 674 720 740 879 888 960 1011 1110 1152 1172 1184 1332 1348 1440 1465 1480 1665 1685 1758 1776 1920 2022 2220 2344 2368 2637 2664 2696 2880 2930 2960 3033 3330 3370 3516 3552 4044 4395 4440 4688 4736 5055 5274 5328 5392 5760 5860 5920 6066 6660 6740 7032 7104 8088 8790 8880 9376 10110 10548 10656 10784 10841 11720 11840 12132 12469 13185 13320 13480 14064 14208 15165 16176 17580 17760 18752 20220 21096 21312 21568 21682 23440 23680 24264 24938 26370 26640 26960 28128 30330 32352 32523 35160 35520 37407 37504 40440 42192 42624 43136 43364 46880 48528 49876 52740 53280 53920 54205 56256 60660 62345 64704 65046 70320 71040 74814 80880 84384 86728 93760 97056 97569 98741 99752 105480 106560 107840 108410 112221 112512 121320 124690 129408 130092 140640 149628 161760 162615 168768 173456 187035 187520 194112 195138 197482 199504 210960 213120 215680 216820 224442 242640 249380 260184 281280 296223 299256 323520 325230 337536 346912 374070 388224 390276 394964 399008 421920 433640 448884 485280 487845 493705 498760 520368 561105 562560 592446 598512 647040 650460 693824 748140 780552 789928 798016 843840 867280 888669 897768 970560 975690 987410 997520 1040736 1122210 1184892 1197024 1300920 1387648 1481115 1496280 1561104 1579856 1596032 1687680 1734560 1777338 1795536 1941120 1951380 1974820 1995040 2081472 2244420 2369784 2394048 2601840 2962230 2992560 3122208 3159712 3469120 3554676 3591072 3653417 3902760 3949640 3990080 4162944 4443345 4488840 4739568 4788096 5203680 5924460 5985120 6244416 6319424 6938240 7109352 7182144 7306834 7805520 7899280 7980160 8886690 8977680 9479136 10407360 10960251 11848920 11970240 12488832 12638848 14218704 14364288 14613668 15611040 15798560 17773380 17955360 18267085 18958272 20814720 21920502 23697840 23940480 28437408 29227336 31222080 31597120 32880753 35546760 35910720 36534170 37916544 43841004 47395680 54801255 56874816 58454672 62444160 63194240 65761506 71093520 71821440 73068340 87682008 94791360 109602510 113749632 116909344 131523012 142187040 146136680 164403765 175364016 189582720 219205020 233818688 263046024 284374080 292273360 328807530 350728032 438410040 467637376 526092048 568748160 584546720 657615060 701456064 876820080 1052184096 1169093440 1315230120 1402912128 1753640160 2104368192 2338186880 2630460240 3507280320 4208736384 5260920480 7014560640 10521840960 21043681920
- Sum of all divisors σ(n): 75107345040
- Sum of proper divisors (its aliquot sum) s(n): 54063663120
- 21043681920 is an abundant number, because the sum of its proper divisors (54063663120) is greater than itself. Its abundance is 33019981200
Bases of 21043681920
- Binary: 100111001100100110100011010100000002
- Hexadecimal: 0x4E64D1A80
- Base-36: 9O0V4W0
Squares and roots of 21043681920
- 21043681920 squared (210436819202) is 442836548750134886400
- 21043681920 cubed (210436819203) is 9318911474448412106496933888000
-
The
square root of 21043681920 is 145064.4061098379 -
The
cube root of 21043681920 is 2760.8357897267
Scales and comparisons
How big is 21043681920?- 21,043,681,920 seconds is equal to 669 years, 6 weeks, 3 days, 3 hours, 12 minutes.
-
To count from 1 to 21,043,681,920 would take you about one thousand, three hundred thirty-eight 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 21043681920 cubic inches would be around 230.1 feet tall.
Recreational maths with 21043681920
- 21043681920 backwards is 02918634012
- 21043681920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21043681920's digits is 36
- More coming soon!
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