31400921387
31,400,921,387 is an odd composite number composed of four prime numbers multiplied together.
31400921387 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 31400921387:
113 × 19 × 372 × 907
(11 × 11 × 11 × 19 × 37 × 37 × 907)See below for interesting mathematical facts about the number 31400921387 from the Numbermatics database.
Names of 31400921387
- Cardinal: 31400921387 can be written as Thirty-one billion, four hundred million, nine hundred twenty-one thousand, three hundred eighty-seven.
Scientific notation
- Scientific notation: 3.1400921387 × 1010
Factors of 31400921387
Divisors of 31400921387
- Number of divisors d(n): 48
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Complete list of divisors:
1 11 19 37 121 209 407 703 907 1331 1369 2299 4477 7733 9977 15059 17233 25289 26011 33559 49247 85063 109747 165649 189563 286121 369149 637621 935693 1207217 1241683 1822139 2085193 3147331 4060639 7013831 13658513 22937123 23591977 34620641 44667029 77152141 150243643 259511747 848673551 1652680073 2854629217 31400921387
- Sum of all divisors σ(n): 37406839680
- Sum of proper divisors (its aliquot sum) s(n): 6005918293
- 31400921387 is a deficient number, because the sum of its proper divisors (6005918293) is less than itself. Its deficiency is 25395003094
Bases of 31400921387
- Binary: 111010011111010010000001001001010112
- Hexadecimal: 0x74FA4092B
- Base-36: EFBAQ0B
Squares and roots of 31400921387
- 31400921387 squared (314009213872) is 986017863952554003769
- 31400921387 cubed (314009213873) is 30961869432151809370222470707603
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The
square root of 31400921387 is 177203.0512914493 -
The
cube root of 31400921387 is 3154.8651245709
Scales and comparisons
How big is 31400921387?- 31,400,921,387 seconds is equal to 998 years, 23 weeks, 3 days, 14 hours, 9 minutes, 47 seconds.
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To count from 1 to 31,400,921,387 would take you about one thousand, nine hundred ninety-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 31400921387 cubic inches would be around 262.9 feet tall.
Recreational maths with 31400921387
- 31400921387 backwards is 78312900413
- The number of decimal digits it has is: 11
- The sum of 31400921387's digits is 38
- More coming soon!
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