13399440
13,399,440 is an even composite number composed of five prime numbers multiplied together.
13399440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 13399440:
24 × 3 × 5 × 31 × 1801
(2 × 2 × 2 × 2 × 3 × 5 × 31 × 1801)See below for interesting mathematical facts about the number 13399440 from the Numbermatics database.
Names of 13399440
- Cardinal: 13399440 can be written as Thirteen million, three hundred ninety-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.339944 × 107
Factors of 13399440
Divisors of 13399440
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1801 1860 2480 3602 3720 5403 7204 7440 9005 10806 14408 18010 21612 27015 28816 36020 43224 54030 55831 72040 86448 108060 111662 144080 167493 216120 223324 279155 334986 432240 446648 558310 669972 837465 893296 1116620 1339944 1674930 2233240 2679888 3349860 4466480 6699720 13399440
- Sum of all divisors σ(n): 42902016
- Sum of proper divisors (its aliquot sum) s(n): 29502576
- 13399440 is an abundant number, because the sum of its proper divisors (29502576) is greater than itself. Its abundance is 16103136
Bases of 13399440
- Binary: 1100110001110101100100002
- Hexadecimal: 0xCC7590
- Base-36: 7Z72O
Squares and roots of 13399440
- 13399440 squared (133994402) is 179544992313600
- 13399440 cubed (133994403) is 2405802351806544384000
-
The
square root of 13399440 is 3660.5245525743 -
The
cube root of 13399440 is 237.5174650129
Scales and comparisons
How big is 13399440?- 13,399,440 seconds is equal to 22 weeks, 1 day, 2 hours, 4 minutes.
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To count from 1 to 13,399,440 would take you about thirty-three weeks!
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 13399440 cubic inches would be around 19.8 feet tall.
Recreational maths with 13399440
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