21642688431
21,642,688,431 is an odd composite number composed of five prime numbers multiplied together.
What does the number 21642688431 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 160 divisors.
21642688431 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21642688431:
33 × 74 × 13 × 61 × 421
(3 × 3 × 3 × 7 × 7 × 7 × 7 × 13 × 61 × 421)See below for interesting mathematical facts about the number 21642688431 from the Numbermatics database.
Names of 21642688431
- Cardinal: 21642688431 can be written as Twenty-one billion, six hundred forty-two million, six hundred eighty-eight thousand, four hundred thirty-one.
Scientific notation
- Scientific notation: 2.1642688431 × 1010
Factors of 21642688431
Divisors of 21642688431
- Number of divisors d(n): 160
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Complete list of divisors:
1 3 7 9 13 21 27 39 49 61 63 91 117 147 183 189 273 343 351 421 427 441 549 637 793 819 1029 1263 1281 1323 1647 1911 2379 2401 2457 2947 2989 3087 3789 3843 4459 5473 5551 5733 7137 7203 8841 8967 9261 11367 11529 13377 16419 16653 17199 20629 20923 21411 21609 25681 26523 26901 31213 38311 38857 40131 49257 49959 61887 62769 64827 77043 79569 80703 93639 114933 116571 120393 144403 146461 147771 149877 179767 185661 188307 231129 268177 271999 280917 333853 344799 349713 433209 439383 539301 556983 564921 693387 804531 815997 842751 1001559 1010821 1034397 1049139 1258369 1299627 1318149 1617903 1877239 1903993 2336971 2413593 2447991 3004677 3032463 3775107 3898881 3954447 4853709 5631717 5711979 7010913 7240779 7343973 8808583 9014031 9097389 11325321 13140673 16358797 16895151 17135937 21032739 26425749 27292167 33975963 39422019 49076391 50685453 51407811 61660081 63098217 79277247 114511579 118266057 147229173 184980243 237831741 343534737 354798171 441687519 554940729 801581053 1030604211 1664822187 2404743159 3091812633 7214229477 21642688431
- Sum of all divisors σ(n): 41039803840
- Sum of proper divisors (its aliquot sum) s(n): 19397115409
- 21642688431 is a deficient number, because the sum of its proper divisors (19397115409) is less than itself. Its deficiency is 2245573022
Bases of 21642688431
- Binary: 101000010100000000100110111101011112
- Hexadecimal: 0x50A0137AF
- Base-36: 9XXHX9R
Squares and roots of 21642688431
- 21642688431 squared (216426884312) is 468405962521341241761
- 21642688431 cubed (216426884313) is 10137564306072051683663968766991
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The
square root of 21642688431 is 147114.5418746901 -
The
cube root of 21642688431 is 2786.7867423647
Scales and comparisons
How big is 21642688431?- 21,642,688,431 seconds is equal to 688 years, 8 weeks, 6 days, 1 hour, 53 minutes, 51 seconds.
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To count from 1 to 21,642,688,431 would take you about one thousand, three hundred seventy-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 21642688431 cubic inches would be around 232.2 feet tall.
Recreational maths with 21642688431
- 21642688431 backwards is 13488624612
- The number of decimal digits it has is: 11
- The sum of 21642688431's digits is 45
- More coming soon!
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"Number 21642688431 - Facts about the integer". Numbermatics.com. 2024. Web. 27 June 2024.
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