31143820842
31,143,820,842 is an even composite number composed of five prime numbers multiplied together.
31143820842 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 31143820842:
2 × 33 × 312 × 47 × 1132
(2 × 3 × 3 × 3 × 31 × 31 × 47 × 113 × 113)See below for interesting mathematical facts about the number 31143820842 from the Numbermatics database.
Names of 31143820842
- Cardinal: 31143820842 can be written as Thirty-one billion, one hundred forty-three million, eight hundred twenty thousand, eight hundred forty-two.
Scientific notation
- Scientific notation: 3.1143820842 × 1010
Factors of 31143820842
Divisors of 31143820842
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 6 9 18 27 31 47 54 62 93 94 113 141 186 226 279 282 339 423 558 678 837 846 961 1017 1269 1457 1674 1922 2034 2538 2883 2914 3051 3503 4371 5311 5766 6102 7006 8649 8742 10509 10622 12769 13113 15933 17298 21018 25538 25947 26226 31527 31866 38307 39339 45167 47799 51894 63054 76614 78678 90334 94581 95598 108593 114921 135501 143397 164641 189162 217186 229842 271002 286794 325779 329282 344763 395839 406503 493923 600143 651558 689526 791678 813006 977337 987846 1187517 1200286 1219509 1481769 1800429 1954674 2375034 2439018 2932011 2963538 3562551 3600858 4445307 5103871 5401287 5864022 7125102 8890614 10207742 10687653 10802574 12271009 15311613 16203861 18604433 21375306 24542018 30623226 32407722 36813027 37208866 45934839 55813299 73626054 91869678 110439081 111626598 137804517 167439897 220878162 275609034 331317243 334879794 502319691 576737423 662634486 1004639382 1153474846 1730212269 3460424538 5190636807 10381273614 15571910421 31143820842
- Sum of all divisors σ(n): 73686637440
- Sum of proper divisors (its aliquot sum) s(n): 42542816598
- 31143820842 is an abundant number, because the sum of its proper divisors (42542816598) is greater than itself. Its abundance is 11398995756
Bases of 31143820842
- Binary: 111010000000101000011111110001010102
- Hexadecimal: 0x74050FE2A
- Base-36: EB285YI
Squares and roots of 31143820842
- 31143820842 squared (311438208422) is 969937576638593588964
- 31143820842 cubed (311438208423) is 30207562114756003317544604387688
-
The
square root of 31143820842 is 176476.1197499537 -
The
cube root of 31143820842 is 3146.2311805739
Scales and comparisons
How big is 31143820842?- 31,143,820,842 seconds is equal to 990 years, 14 weeks, 2 days, 21 hours, 20 minutes, 42 seconds.
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To count from 1 to 31,143,820,842 would take you about one thousand, nine hundred eighty 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 31143820842 cubic inches would be around 262.2 feet tall.
Recreational maths with 31143820842
- 31143820842 backwards is 24802834113
- The number of decimal digits it has is: 11
- The sum of 31143820842's digits is 36
- More coming soon!
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