129407250
129,407,250 is an even composite number composed of five prime numbers multiplied together.
129407250 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 129407250:
2 × 3 × 53 × 7 × 1572
(2 × 3 × 5 × 5 × 5 × 7 × 157 × 157)See below for interesting mathematical facts about the number 129407250 from the Numbermatics database.
Names of 129407250
- Cardinal: 129407250 can be written as One hundred twenty-nine million, four hundred seven thousand, two hundred fifty.
Scientific notation
- Scientific notation: 1.2940725 × 108
Factors of 129407250
Divisors of 129407250
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 157 175 210 250 314 350 375 471 525 750 785 875 942 1050 1099 1570 1750 2198 2355 2625 3297 3925 4710 5250 5495 6594 7850 10990 11775 16485 19625 23550 24649 27475 32970 39250 49298 54950 58875 73947 82425 117750 123245 137375 147894 164850 172543 246490 274750 345086 369735 412125 517629 616225 739470 824250 862715 1035258 1232450 1725430 1848675 2588145 3081125 3697350 4313575 5176290 6162250 8627150 9243375 12940725 18486750 21567875 25881450 43135750 64703625 129407250
- Sum of all divisors σ(n): 371509632
- Sum of proper divisors (its aliquot sum) s(n): 242102382
- 129407250 is an abundant number, because the sum of its proper divisors (242102382) is greater than itself. Its abundance is 112695132
Bases of 129407250
- Binary: 1111011011010011001000100102
- Hexadecimal: 0x7B69912
- Base-36: 251N9U
Squares and roots of 129407250
- 129407250 squared (1294072502) is 16746236352562500
- 129407250 cubed (1294072503) is 2167084394235143578125000
-
The
square root of 129407250 is 11375.7307457587 -
The
cube root of 129407250 is 505.8085925317
Scales and comparisons
How big is 129407250?- 129,407,250 seconds is equal to 4 years, 5 weeks, 6 days, 18 hours, 27 minutes, 30 seconds.
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To count from 1 to 129,407,250 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 129407250 cubic inches would be around 42.2 feet tall.
Recreational maths with 129407250
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The information we have on file for 129407250 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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