21491477245120
21,491,477,245,120 is an even composite number composed of six prime numbers multiplied together.
21491477245120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21491477245120:
26 × 5 × 31 × 433 × 1097 × 4561
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 433 × 1097 × 4561)See below for interesting mathematical facts about the number 21491477245120 from the Numbermatics database.
Names of 21491477245120
- Cardinal: 21491477245120 can be written as Twenty-one trillion, four hundred ninety-one billion, four hundred seventy-seven million, two hundred forty-five thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.149147724512 × 1013
Factors of 21491477245120
Divisors of 21491477245120
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 433 496 620 866 992 1097 1240 1732 1984 2165 2194 2480 3464 4330 4388 4561 4960 5485 6928 8660 8776 9122 9920 10970 13423 13856 17320 17552 18244 21940 22805 26846 27712 34007 34640 35104 36488 43880 45610 53692 67115 68014 69280 70208 72976 87760 91220 107384 134230 136028 138560 141391 145952 170035 175520 182440 214768 268460 272056 282782 291904 340070 351040 364880 429536 475001 536920 544112 565564 680140 706955 729760 859072 950002 1073840 1088224 1131128 1360280 1413910 1459520 1900004 1974913 2147680 2176448 2262256 2375005 2720560 2827820 3800008 3949826 4295360 4524512 4750010 5003417 5441120 5655640 7600016 7899652 9049024 9500020 9874565 10006834 10882240 11311280 14725031 15200032 15799304 19000040 19749130 20013668 22622560 25017085 29450062 30400064 31598608 38000080 39498260 40027336 45245120 50034170 58900124 61222303 63197216 73625155 76000160 78996520 80054672 100068340 117800248 122444606 126394432 147250310 152000320 155105927 157993040 160109344 200136680 235600496 244889212 294500620 306111515 310211854 315986080 320218688 400273360 471200992 489778424 589001240 612223030 620423708 631972160 775529635 800546720 942401984 979556848 1178002480 1224446060 1240847416 1551059270 1601093440 1959113696 2166479561 2356004960 2448892120 2481694832 3102118540 3918227392 4332959122 4712009920 4897784240 4963389664 6204237080 8665918244 9795568480 9926779328 10832397805 12408474160 17331836488 19591136960 21664795610 24816948320 34663672976 43329591220 49633896640 67160866391 69327345952 86659182440 134321732782 138654691904 173318364880 268643465564 335804331955 346636729760 537286931128 671608663910 693273459520 1074573862256 1343217327820 2149147724512 2686434655640 4298295449024 5372869311280 10745738622560 21491477245120
- Sum of all divisors σ(n): 53009328185856
- Sum of proper divisors (its aliquot sum) s(n): 31517850940736
- 21491477245120 is an abundant number, because the sum of its proper divisors (31517850940736) is greater than itself. Its abundance is 10026373695616
Bases of 21491477245120
- Binary: 1001110001011110111111101110111101100110000002
- Hexadecimal: 0x138BDFDDECC0
- Base-36: 7M91QNP34
Squares and roots of 21491477245120
- 21491477245120 squared (214914772451202) is 461883594177510744563814400
- 21491477245120 cubed (214914772451203) is 9926560754160212688837525917350985728000
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The
square root of 21491477245120 is 4635890.1243579965 -
The
cube root of 21491477245120 is 27802.8141161743
Scales and comparisons
How big is 21491477245120?- 21,491,477,245,120 seconds is equal to 683,362 years, 25 weeks, 6 days, 14 hours, 18 minutes, 40 seconds.
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To count from 1 to 21,491,477,245,120 would take you about one million, seven hundred eight thousand, four hundred 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 21491477245120 cubic inches would be around 2316.9 feet tall.
Recreational maths with 21491477245120
- 21491477245120 backwards is 02154277419412
- The number of decimal digits it has is: 14
- The sum of 21491477245120's digits is 49
- More coming soon!
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