31380163240
31,380,163,240 is an even composite number composed of four prime numbers multiplied together.
31380163240 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 31380163240:
23 × 5 × 372 × 7572
(2 × 2 × 2 × 5 × 37 × 37 × 757 × 757)See below for interesting mathematical facts about the number 31380163240 from the Numbermatics database.
Names of 31380163240
- Cardinal: 31380163240 can be written as Thirty-one billion, three hundred eighty million, one hundred sixty-three thousand, two hundred forty.
Scientific notation
- Scientific notation: 3.138016324 × 1010
Factors of 31380163240
Divisors of 31380163240
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 757 1369 1480 1514 2738 3028 3785 5476 6056 6845 7570 10952 13690 15140 27380 28009 30280 54760 56018 112036 140045 224072 280090 560180 573049 1036333 1120360 1146098 2072666 2292196 2865245 4145332 4584392 5181665 5730490 8290664 10363330 11460980 20726660 21202813 22921960 41453320 42405626 84811252 106014065 169622504 212028130 424056260 784504081 848112520 1569008162 3138016324 3922520405 6276032648 7845040810 15690081620 31380163240
- Sum of all divisors σ(n): 72661180410
- Sum of proper divisors (its aliquot sum) s(n): 41281017170
- 31380163240 is an abundant number, because the sum of its proper divisors (41281017170) is greater than itself. Its abundance is 9900853930
Bases of 31380163240
- Binary: 111010011100110011101001010101010002
- Hexadecimal: 0x74E674AA8
- Base-36: EEYXSX4
Squares and roots of 31380163240
- 31380163240 squared (313801632402) is 984714644969047297600
- 31380163240 cubed (313801632403) is 30900506303947348945968860224000
-
The
square root of 31380163240 is 177144.4699673123 -
The
cube root of 31380163240 is 3154.1697777747
Scales and comparisons
How big is 31380163240?- 31,380,163,240 seconds is equal to 997 years, 41 weeks, 1 day, 8 hours, 40 seconds.
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To count from 1 to 31,380,163,240 would take you about one thousand, nine hundred ninety-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 31380163240 cubic inches would be around 262.8 feet tall.
Recreational maths with 31380163240
- 31380163240 backwards is 04236108313
- The number of decimal digits it has is: 11
- The sum of 31380163240's digits is 31
- More coming soon!
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