129747345
129,747,345 is an odd composite number composed of six prime numbers multiplied together.
129747345 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 129747345:
3 × 5 × 72 × 13 × 37 × 367
(3 × 5 × 7 × 7 × 13 × 37 × 367)See below for interesting mathematical facts about the number 129747345 from the Numbermatics database.
Names of 129747345
- Cardinal: 129747345 can be written as One hundred twenty-nine million, seven hundred forty-seven thousand, three hundred forty-five.
Scientific notation
- Scientific notation: 1.29747345 × 108
Factors of 129747345
Divisors of 129747345
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 5 7 13 15 21 35 37 39 49 65 91 105 111 147 185 195 245 259 273 367 455 481 555 637 735 777 1101 1295 1365 1443 1813 1835 1911 2405 2569 3185 3367 3885 4771 5439 5505 7215 7707 9065 9555 10101 12845 13579 14313 16835 17983 23569 23855 27195 33397 38535 40737 50505 53949 67895 70707 71565 89915 95053 100191 117845 166985 176527 203685 233779 269745 285159 353535 475265 500955 529581 665371 701337 882635 1168895 1235689 1425795 1996113 2647905 3326855 3506685 3707067 6178445 8649823 9980565 18535335 25949469 43249115 129747345
- Sum of all divisors σ(n): 267821568
- Sum of proper divisors (its aliquot sum) s(n): 138074223
- 129747345 is an abundant number, because the sum of its proper divisors (138074223) is greater than itself. Its abundance is 8326878
Bases of 129747345
- Binary: 1111011101111001001100100012
- Hexadecimal: 0x7BBC991
- Base-36: 258XOX
Squares and roots of 129747345
- 129747345 squared (1297473452) is 16834373534549025
- 129747345 cubed (1297473453) is 2184215270846001766088625
-
The
square root of 129747345 is 11390.6692077331 -
The
cube root of 129747345 is 506.2513098579
Scales and comparisons
How big is 129747345?- 129,747,345 seconds is equal to 4 years, 6 weeks, 3 days, 16 hours, 55 minutes, 45 seconds.
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To count from 1 to 129,747,345 would take you about 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 129747345 cubic inches would be around 42.2 feet tall.
Recreational maths with 129747345
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