21359995440
21,359,995,440 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21359995440 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 320 divisors.
21359995440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21359995440:
24 × 3 × 5 × 7 × 17 × 43 × 17393
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 17 × 43 × 17393)See below for interesting mathematical facts about the number 21359995440 from the Numbermatics database.
Names of 21359995440
- Cardinal: 21359995440 can be written as Twenty-one billion, three hundred fifty-nine million, nine hundred ninety-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.135999544 × 1010
Factors of 21359995440
Divisors of 21359995440
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 34 35 40 42 43 48 51 56 60 68 70 80 84 85 86 102 105 112 119 120 129 136 140 168 170 172 204 210 215 238 240 255 258 272 280 301 336 340 344 357 408 420 430 476 510 516 560 595 602 645 680 688 714 731 816 840 860 903 952 1020 1032 1190 1204 1290 1360 1428 1462 1505 1680 1720 1785 1806 1904 2040 2064 2193 2380 2408 2580 2856 2924 3010 3440 3570 3612 3655 4080 4386 4515 4760 4816 5117 5160 5712 5848 6020 7140 7224 7310 8772 9030 9520 10234 10320 10965 11696 12040 14280 14448 14620 15351 17393 17544 18060 20468 21930 24080 25585 28560 29240 30702 34786 35088 36120 40936 43860 51170 52179 58480 61404 69572 72240 76755 81872 86965 87720 102340 104358 121751 122808 139144 153510 173930 175440 204680 208716 243502 245616 260895 278288 295681 307020 347860 365253 409360 417432 487004 521790 591362 608755 614040 695720 730506 747899 834864 887043 974008 1043580 1182724 1217510 1228080 1391440 1461012 1478405 1495798 1774086 1826265 1948016 2069767 2087160 2243697 2365448 2435020 2922024 2956810 2991596 3548172 3652530 3739495 4139534 4174320 4435215 4487394 4730896 4870040 5235293 5844048 5913620 5983192 6209301 7096344 7305060 7478990 8279068 8870430 8974788 9740080 10348835 10470586 11218485 11827240 11966384 12418602 12714283 14192688 14610120 14957980 15705879 16558136 17740860 17949576 20697670 20941172 22436970 23654480 24837204 25428566 26176465 29220240 29915960 31046505 31411758 33116272 35481720 35899152 38142849 41395340 41882344 44873940 49674408 50857132 52352930 59831920 62093010 62823516 63571415 70963440 76285698 78529395 82790680 83764688 88999981 89747880 99348816 101714264 104705860 124186020 125647032 127142830 152571396 157058790 165581360 177999962 179495760 190714245 203428528 209411720 248372040 251294064 254285660 266999943 305142792 314117580 355999924 381428490 418823440 444999905 496744080 508571320 533999886 610285584 628235160 711999848 762856980 889999810 1017142640 1067999772 1256470320 1334999715 1423999696 1525713960 1779999620 2135999544 2669999430 3051427920 3559999240 4271999088 5339998860 7119998480 10679997720 21359995440
- Sum of all divisors σ(n): 81995037696
- Sum of proper divisors (its aliquot sum) s(n): 60635042256
- 21359995440 is an abundant number, because the sum of its proper divisors (60635042256) is greater than itself. Its abundance is 39275046816
Bases of 21359995440
- Binary: 100111110010010011110101010001100002
- Hexadecimal: 0x4F927AA30
- Base-36: 9T96TYO
Squares and roots of 21359995440
- 21359995440 squared (213599954402) is 456249405196820793600
- 21359995440 cubed (213599954403) is 9745485214506804453793181184000
-
The
square root of 21359995440 is 146150.5916512143 -
The
cube root of 21359995440 is 2774.6000209161
Scales and comparisons
How big is 21359995440?- 21,359,995,440 seconds is equal to 679 years, 9 weeks, 3 days, 4 hours, 4 minutes.
-
To count from 1 to 21,359,995,440 would take you about one thousand, three hundred fifty-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 21359995440 cubic inches would be around 231.2 feet tall.
Recreational maths with 21359995440
- 21359995440 backwards is 04459995312
- 21359995440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21359995440's digits is 51
- More coming soon!
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