31123842920
31,123,842,920 is an even composite number composed of five prime numbers multiplied together.
31123842920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 31123842920:
23 × 5 × 41 × 972 × 2017
(2 × 2 × 2 × 5 × 41 × 97 × 97 × 2017)See below for interesting mathematical facts about the number 31123842920 from the Numbermatics database.
Names of 31123842920
- Cardinal: 31123842920 can be written as Thirty-one billion, one hundred twenty-three million, eight hundred forty-two thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.112384292 × 1010
Factors of 31123842920
Divisors of 31123842920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 20 40 41 82 97 164 194 205 328 388 410 485 776 820 970 1640 1940 2017 3880 3977 4034 7954 8068 9409 10085 15908 16136 18818 19885 20170 31816 37636 39770 40340 47045 75272 79540 80680 82697 94090 159080 165394 188180 195649 330788 376360 385769 391298 413485 661576 771538 782596 826970 978245 1543076 1565192 1653940 1928845 1956490 3086152 3307880 3857690 3912980 7715380 7825960 8021609 15430760 16043218 18977953 32086436 37955906 40108045 64172872 75911812 80216090 94889765 151823624 160432180 189779530 320864360 379559060 759118120 778096073 1556192146 3112384292 3890480365 6224768584 7780960730 15561921460 31123842920
- Sum of all divisors σ(n): 72519776280
- Sum of proper divisors (its aliquot sum) s(n): 41395933360
- 31123842920 is an abundant number, because the sum of its proper divisors (41395933360) is greater than itself. Its abundance is 10272090440
Bases of 31123842920
- Binary: 111001111110010000000100111011010002
- Hexadecimal: 0x73F202768
- Base-36: EAQBYW8
Squares and roots of 31123842920
- 31123842920 squared (311238429202) is 968693598108834126400
- 31123842920 cubed (311238429203) is 30149467385148962414409025088000
-
The
square root of 31123842920 is 176419.5083317033 -
The
cube root of 31123842920 is 3145.5582958285
Scales and comparisons
How big is 31123842920?- 31,123,842,920 seconds is equal to 989 years, 33 weeks, 2 days, 15 hours, 55 minutes, 20 seconds.
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To count from 1 to 31,123,842,920 would take you about one thousand, nine hundred seventy-nine 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 31123842920 cubic inches would be around 262.1 feet tall.
Recreational maths with 31123842920
- 31123842920 backwards is 02924832113
- The number of decimal digits it has is: 11
- The sum of 31123842920's digits is 35
- More coming soon!
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