21325535820
21,325,535,820 is an even composite number composed of five prime numbers multiplied together.
21325535820 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21325535820:
22 × 34 × 5 × 413 × 191
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 41 × 41 × 41 × 191)See below for interesting mathematical facts about the number 21325535820 from the Numbermatics database.
Names of 21325535820
- Cardinal: 21325535820 can be written as Twenty-one billion, three hundred twenty-five million, five hundred thirty-five thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 2.132553582 × 1010
Factors of 21325535820
Divisors of 21325535820
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 81 82 90 108 123 135 162 164 180 191 205 246 270 324 369 382 405 410 492 540 573 615 738 764 810 820 955 1107 1146 1230 1476 1620 1681 1719 1845 1910 2214 2292 2460 2865 3321 3362 3438 3690 3820 4428 5043 5157 5535 5730 6642 6724 6876 7380 7831 8405 8595 10086 10314 11070 11460 13284 15129 15471 15662 16605 16810 17190 20172 20628 22140 23493 25215 25785 30258 30942 31324 33210 33620 34380 39155 45387 46986 50430 51570 60516 61884 66420 68921 70479 75645 77355 78310 90774 93972 100860 103140 117465 136161 137842 140958 151290 154710 156620 181548 206763 211437 226935 234930 272322 275684 281916 302580 309420 321071 344605 352395 413526 422874 453870 469860 544644 620289 634311 642142 680805 689210 704790 827052 845748 907740 963213 1033815 1057185 1240578 1268622 1284284 1361610 1378420 1409580 1605355 1860867 1926426 2067630 2114370 2481156 2537244 2723220 2889639 3101445 3171555 3210710 3721734 3852852 4135260 4228740 4816065 5582601 5779278 6202890 6343110 6421420 7443468 8668917 9304335 9632130 11165202 11558556 12405780 12686220 13163911 14448195 17337834 18608670 19264260 22330404 26006751 26327822 27913005 28896390 34675668 37217340 39491733 43344585 52013502 52655644 55826010 57792780 65819555 78983466 86689170 104027004 111652020 118475199 130033755 131639110 157966932 173378340 197458665 236950398 260067510 263278220 355425597 394917330 473900796 520135020 592375995 710851194 789834660 1066276791 1184751990 1421702388 1777127985 2132553582 2369503980 3554255970 4265107164 5331383955 7108511940 10662767910 21325535820
- Sum of all divisors σ(n): 68930459136
- Sum of proper divisors (its aliquot sum) s(n): 47604923316
- 21325535820 is an abundant number, because the sum of its proper divisors (47604923316) is greater than itself. Its abundance is 26279387496
Bases of 21325535820
- Binary: 100111101110001100111011010010011002
- Hexadecimal: 0x4F719DA4C
- Base-36: 9SOO8R0
Squares and roots of 21325535820
- 21325535820 squared (213255358202) is 454778478010103072400
- 21325535820 cubed (213255358203) is 9698394722969535392358253368000
-
The
square root of 21325535820 is 146032.6532663157 -
The
cube root of 21325535820 is 2773.1071503637
Scales and comparisons
How big is 21325535820?- 21,325,535,820 seconds is equal to 678 years, 4 weeks, 3 days, 7 hours, 57 minutes.
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To count from 1 to 21,325,535,820 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 21325535820 cubic inches would be around 231.1 feet tall.
Recreational maths with 21325535820
- 21325535820 backwards is 02853552312
- 21325535820 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21325535820's digits is 36
- More coming soon!
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