21497335272
21,497,335,272 is an even composite number composed of six prime numbers multiplied together.
21497335272 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21497335272:
23 × 32 × 72 × 79 × 137 × 563
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 79 × 137 × 563)See below for interesting mathematical facts about the number 21497335272 from the Numbermatics database.
Names of 21497335272
- Cardinal: 21497335272 can be written as Twenty-one billion, four hundred ninety-seven million, three hundred thirty-five thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.1497335272 × 1010
Factors of 21497335272
Divisors of 21497335272
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 79 84 98 126 137 147 158 168 196 237 252 274 294 316 392 411 441 474 504 548 553 563 588 632 711 822 882 948 959 1096 1106 1126 1176 1233 1422 1644 1659 1689 1764 1896 1918 2212 2252 2466 2844 2877 3288 3318 3378 3528 3836 3871 3941 4424 4504 4932 4977 5067 5688 5754 6636 6713 6756 7672 7742 7882 8631 9864 9954 10134 10823 11508 11613 11823 13272 13426 13512 15484 15764 17262 19908 20139 20268 21646 23016 23226 23646 26852 27587 30968 31528 32469 34524 34839 35469 39816 40278 40536 43292 44477 46452 47292 53704 55174 60417 64938 69048 69678 70938 75761 77131 80556 82761 86584 88954 92904 94584 97407 110348 120834 129876 133431 139356 141876 151522 154262 161112 165522 177908 194814 220696 227283 231393 241668 248283 259752 266862 278712 283752 303044 308524 311339 331044 355816 389628 400293 454566 462786 483336 496566 530327 533724 539917 606088 617048 622678 662088 681849 694179 779256 800586 909132 925572 934017 993132 1060654 1067448 1079834 1245356 1363698 1388358 1590981 1601172 1619751 1818264 1851144 1868034 1986264 2121308 2159668 2179373 2490712 2727396 2776716 2802051 3181962 3202344 3239502 3736068 3779419 4242616 4319336 4358746 4772943 4859253 5454792 5553432 5604102 6093349 6363924 6479004 6538119 7472136 7558838 8717492 9545886 9718506 11208204 11338257 12186698 12727848 12958008 13076238 15117676 17434984 18280047 19091772 19437012 19614357 22416408 22676514 24373396 26152476 30235352 34014771 36560094 38183544 38874024 39228714 42653443 45353028 48746792 52304952 54840141 68029542 73120188 78457428 85306886 90706056 109680282 127960329 136059084 146240376 156914856 170613772 219360564 255920658 272118168 298574101 341227544 383880987 438721128 511841316 597148202 767761974 895722303 1023682632 1194296404 1535523948 1791444606 2388592808 2687166909 3071047896 3582889212 5374333818 7165778424 10748667636 21497335272
- Sum of all divisors σ(n): 69208214400
- Sum of proper divisors (its aliquot sum) s(n): 47710879128
- 21497335272 is an abundant number, because the sum of its proper divisors (47710879128) is greater than itself. Its abundance is 26213543856
Bases of 21497335272
- Binary: 101000000010101011101001101111010002
- Hexadecimal: 0x501574DE8
- Base-36: 9VIYI20
Squares and roots of 21497335272
- 21497335272 squared (214973352722) is 462135423796775313984
- 21497335272 cubed (214973352723) is 9934680146427086117167118043648
-
The
square root of 21497335272 is 146619.6960575215 -
The
cube root of 21497335272 is 2780.5339998641
Scales and comparisons
How big is 21497335272?- 21,497,335,272 seconds is equal to 683 years, 28 weeks, 3 days, 18 hours, 1 minute, 12 seconds.
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To count from 1 to 21,497,335,272 would take you about one thousand, three hundred sixty-seven 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 21497335272 cubic inches would be around 231.7 feet tall.
Recreational maths with 21497335272
- 21497335272 backwards is 27253379412
- The number of decimal digits it has is: 11
- The sum of 21497335272's digits is 45
- More coming soon!
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