21320279946
21,320,279,946 is an even composite number composed of six prime numbers multiplied together.
21320279946 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21320279946:
2 × 33 × 72 × 31 × 61 × 4261
(2 × 3 × 3 × 3 × 7 × 7 × 31 × 61 × 4261)See below for interesting mathematical facts about the number 21320279946 from the Numbermatics database.
Names of 21320279946
- Cardinal: 21320279946 can be written as Twenty-one billion, three hundred twenty million, two hundred seventy-nine thousand, nine hundred forty-six.
Scientific notation
- Scientific notation: 2.1320279946 × 1010
Factors of 21320279946
Divisors of 21320279946
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 6 7 9 14 18 21 27 31 42 49 54 61 62 63 93 98 122 126 147 183 186 189 217 279 294 366 378 427 434 441 549 558 651 837 854 882 1098 1281 1302 1323 1519 1647 1674 1891 1953 2562 2646 2989 3038 3294 3782 3843 3906 4261 4557 5673 5859 5978 7686 8522 8967 9114 11346 11529 11718 12783 13237 13671 17019 17934 23058 25566 26474 26901 27342 29827 34038 38349 39711 41013 51057 53802 59654 76698 79422 80703 82026 89481 92659 102114 115047 119133 132091 161406 178962 185318 208789 230094 238266 259921 264182 268443 277977 357399 396273 417578 519842 536886 555954 626367 714798 779763 792546 805329 833931 924637 1188819 1252734 1559526 1610658 1667862 1819447 1849274 1879101 2339289 2377638 2501793 2773911 3566457 3638894 3758202 4678578 5003586 5458341 5547822 5637303 6472459 7017867 7132914 8057551 8321733 10916682 11274606 12736129 12944918 14035734 16115102 16375023 16643466 19417377 24172653 24965199 25472258 32750046 38208387 38834754 48345306 49125069 49930398 56402857 58252131 72517959 76416774 98250138 112805714 114625161 116504262 145035918 169208571 174756393 217553877 229250322 338417142 343875483 349512786 394819999 435107754 507625713 687750966 789639998 1015251426 1184459997 1522877139 2368919994 3045754278 3553379991 7106759982 10660139973 21320279946
- Sum of all divisors σ(n): 57837726720
- Sum of proper divisors (its aliquot sum) s(n): 36517446774
- 21320279946 is an abundant number, because the sum of its proper divisors (36517446774) is greater than itself. Its abundance is 15197166828
Bases of 21320279946
- Binary: 100111101101100100110100111100010102
- Hexadecimal: 0x4F6C9A78A
- Base-36: 9SLJLAI
Squares and roots of 21320279946
- 21320279946 squared (213202799462) is 454554336975809762916
- 21320279946 cubed (213202799463) is 9691225714992683175409009282536
-
The
square root of 21320279946 is 146014.6566136427 -
The
cube root of 21320279946 is 2772.8793124101
Scales and comparisons
How big is 21320279946?- 21,320,279,946 seconds is equal to 677 years, 47 weeks, 5 days, 11 hours, 59 minutes, 6 seconds.
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To count from 1 to 21,320,279,946 would take you about one thousand, three hundred fifty-five 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 21320279946 cubic inches would be around 231.1 feet tall.
Recreational maths with 21320279946
- 21320279946 backwards is 64997202312
- The number of decimal digits it has is: 11
- The sum of 21320279946's digits is 45
- More coming soon!
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