21331824640
21,331,824,640 is an even composite number composed of five prime numbers multiplied together.
What does the number 21331824640 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 312 divisors.
21331824640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twelve divisors.
Prime factorization of 21331824640:
212 × 5 × 72 × 29 × 733
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 29 × 733)See below for interesting mathematical facts about the number 21331824640 from the Numbermatics database.
Names of 21331824640
- Cardinal: 21331824640 can be written as Twenty-one billion, three hundred thirty-one million, eight hundred twenty-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.133182464 × 1010
Factors of 21331824640
Divisors of 21331824640
- Number of divisors d(n): 312
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 49 56 58 64 70 80 98 112 116 128 140 145 160 196 203 224 232 245 256 280 290 320 392 406 448 464 490 512 560 580 640 733 784 812 896 928 980 1015 1024 1120 1160 1280 1421 1466 1568 1624 1792 1856 1960 2030 2048 2240 2320 2560 2842 2932 3136 3248 3584 3665 3712 3920 4060 4096 4480 4640 5120 5131 5684 5864 6272 6496 7105 7168 7330 7424 7840 8120 8960 9280 10240 10262 11368 11728 12544 12992 14210 14336 14660 14848 15680 16240 17920 18560 20480 20524 21257 22736 23456 25088 25655 25984 28420 28672 29320 29696 31360 32480 35840 35917 37120 41048 42514 45472 46912 50176 51310 51968 56840 58640 59392 62720 64960 71680 71834 74240 82096 85028 90944 93824 100352 102620 103936 106285 113680 117280 118784 125440 129920 143360 143668 148480 148799 164192 170056 179585 181888 187648 200704 205240 207872 212570 227360 234560 250880 259840 287336 296960 297598 328384 340112 359170 363776 375296 410480 415744 425140 454720 469120 501760 519680 574672 593920 595196 656768 680224 718340 727552 743995 750592 820960 831488 850280 909440 938240 1003520 1039360 1041593 1149344 1190392 1313536 1360448 1436680 1455104 1487990 1501184 1641920 1700560 1818880 1876480 2078720 2083186 2298688 2380784 2627072 2720896 2873360 2910208 2975980 3002368 3283840 3401120 3637760 3752960 4157440 4166372 4597376 4761568 5207965 5254144 5441792 5746720 5820416 5951960 6567680 6802240 7275520 7505920 8332744 9194752 9523136 10415930 10508288 10883584 11493440 11903920 13135360 13604480 14551040 15011840 16665488 18389504 19046272 20831860 21016576 21767168 22986880 23807840 26270720 27208960 29102080 33330976 36779008 38092544 41663720 43534336 45973760 47615680 52541440 54417920 66661952 73558016 76185088 83327440 87068672 91947520 95231360 105082880 108835840 133323904 147116032 152370176 166654880 183895040 190462720 217671680 266647808 304740352 333309760 367790080 380925440 435343360 533295616 609480704 666619520 735580160 761850880 1066591232 1333239040 1523701760 2133182464 2666478080 3047403520 4266364928 5332956160 10665912320 21331824640
- Sum of all divisors σ(n): 61685110440
- Sum of proper divisors (its aliquot sum) s(n): 40353285800
- 21331824640 is an abundant number, because the sum of its proper divisors (40353285800) is greater than itself. Its abundance is 19021461160
Bases of 21331824640
- Binary: 100111101110111100111010000000000002
- Hexadecimal: 0x4F779D000
- Base-36: 9SSF18G
Squares and roots of 21331824640
- 21331824640 squared (213318246402) is 455046742471711129600
- 21331824640 cubed (213318246403) is 9706977313409781977363513344000
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The
square root of 21331824640 is 146054.1839181611 -
The
cube root of 21331824640 is 2773.3797165153
Scales and comparisons
How big is 21331824640?- 21,331,824,640 seconds is equal to 678 years, 14 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
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To count from 1 to 21,331,824,640 would take you about one thousand, three hundred fifty-six 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 21331824640 cubic inches would be around 231.1 feet tall.
Recreational maths with 21331824640
- 21331824640 backwards is 04642813312
- The number of decimal digits it has is: 11
- The sum of 21331824640's digits is 34
- More coming soon!
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