129949968
129,949,968 is an even composite number composed of five prime numbers multiplied together.
129949968 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 129949968:
24 × 3 × 19 × 89 × 1601
(2 × 2 × 2 × 2 × 3 × 19 × 89 × 1601)See below for interesting mathematical facts about the number 129949968 from the Numbermatics database.
Names of 129949968
- Cardinal: 129949968 can be written as One hundred twenty-nine million, nine hundred forty-nine thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.29949968 × 108
Factors of 129949968
Divisors of 129949968
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 16 19 24 38 48 57 76 89 114 152 178 228 267 304 356 456 534 712 912 1068 1424 1601 1691 2136 3202 3382 4272 4803 5073 6404 6764 9606 10146 12808 13528 19212 20292 25616 27056 30419 38424 40584 60838 76848 81168 91257 121676 142489 182514 243352 284978 365028 427467 486704 569956 730056 854934 1139912 1460112 1709868 2279824 2707291 3419736 5414582 6839472 8121873 10829164 16243746 21658328 32487492 43316656 64974984 129949968
- Sum of all divisors σ(n): 357566400
- Sum of proper divisors (its aliquot sum) s(n): 227616432
- 129949968 is an abundant number, because the sum of its proper divisors (227616432) is greater than itself. Its abundance is 97666464
Bases of 129949968
- Binary: 1111011111011100001000100002
- Hexadecimal: 0x7BEE110
- Base-36: 25DA1C
Squares and roots of 129949968
- 129949968 squared (1299499682) is 16886994183201024
- 129949968 cubed (1299499683) is 2194464353723159206367232
-
The
square root of 129949968 is 11399.5599915081 -
The
cube root of 129949968 is 506.5147058901
Scales and comparisons
How big is 129949968?- 129,949,968 seconds is equal to 4 years, 6 weeks, 6 days, 1 hour, 12 minutes, 48 seconds.
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To count from 1 to 129,949,968 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 129949968 cubic inches would be around 42.2 feet tall.
Recreational maths with 129949968
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