129900320
129,900,320 is an even composite number composed of five prime numbers multiplied together.
129900320 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 129900320:
25 × 5 × 11 × 23 × 3209
(2 × 2 × 2 × 2 × 2 × 5 × 11 × 23 × 3209)See below for interesting mathematical facts about the number 129900320 from the Numbermatics database.
Names of 129900320
- Cardinal: 129900320 can be written as One hundred twenty-nine million, nine hundred thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.2990032 × 108
Factors of 129900320
Divisors of 129900320
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 23 32 40 44 46 55 80 88 92 110 115 160 176 184 220 230 253 352 368 440 460 506 736 880 920 1012 1265 1760 1840 2024 2530 3209 3680 4048 5060 6418 8096 10120 12836 16045 20240 25672 32090 35299 40480 51344 64180 70598 73807 102688 128360 141196 147614 176495 256720 282392 295228 352990 369035 513440 564784 590456 705980 738070 811877 1129568 1180912 1411960 1476140 1623754 2361824 2823920 2952280 3247508 4059385 5647840 5904560 6495016 8118770 11809120 12990032 16237540 25980064 32475080 64950160 129900320
- Sum of all divisors σ(n): 349453440
- Sum of proper divisors (its aliquot sum) s(n): 219553120
- 129900320 is an abundant number, because the sum of its proper divisors (219553120) is greater than itself. Its abundance is 89652800
Bases of 129900320
- Binary: 1111011111000011111001000002
- Hexadecimal: 0x7BE1F20
- Base-36: 25C7Q8
Squares and roots of 129900320
- 129900320 squared (1299003202) is 16874093136102400
- 129900320 cubed (1299003203) is 2191950098089505312768000
-
The
square root of 129900320 is 11397.3821555655 -
The
cube root of 129900320 is 506.4501922269
Scales and comparisons
How big is 129900320?- 129,900,320 seconds is equal to 4 years, 6 weeks, 5 days, 11 hours, 25 minutes, 20 seconds.
-
To count from 1 to 129,900,320 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 129900320 cubic inches would be around 42.2 feet tall.
Recreational maths with 129900320
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