129925120
129,925,120 is an even composite number composed of four prime numbers multiplied together.
129925120 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 129925120:
215 × 5 × 13 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 61)See below for interesting mathematical facts about the number 129925120 from the Numbermatics database.
Names of 129925120
- Cardinal: 129925120 can be written as One hundred twenty-nine million, nine hundred twenty-five thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.2992512 × 108
Factors of 129925120
Divisors of 129925120
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 61 64 65 80 104 122 128 130 160 208 244 256 260 305 320 416 488 512 520 610 640 793 832 976 1024 1040 1220 1280 1586 1664 1952 2048 2080 2440 2560 3172 3328 3904 3965 4096 4160 4880 5120 6344 6656 7808 7930 8192 8320 9760 10240 12688 13312 15616 15860 16384 16640 19520 20480 25376 26624 31232 31720 32768 33280 39040 40960 50752 53248 62464 63440 66560 78080 81920 101504 106496 124928 126880 133120 156160 163840 203008 212992 249856 253760 266240 312320 406016 425984 499712 507520 532480 624640 812032 999424 1015040 1064960 1249280 1624064 1998848 2030080 2129920 2498560 3248128 4060160 4997120 6496256 8120320 9994240 12992512 16240640 25985024 32481280 64962560 129925120
- Sum of all divisors σ(n): 341306280
- Sum of proper divisors (its aliquot sum) s(n): 211381160
- 129925120 is an abundant number, because the sum of its proper divisors (211381160) is greater than itself. Its abundance is 81456040
Bases of 129925120
- Binary: 1111011111010000000000000002
- Hexadecimal: 0x7BE8000
- Base-36: 25CQV4
Squares and roots of 129925120
- 129925120 squared (1299251202) is 16880536807014400
- 129925120 cubed (1299251203) is 2193205770315762761728000
-
The
square root of 129925120 is 11398.4700727773 -
The
cube root of 129925120 is 506.4824199267
Scales and comparisons
How big is 129925120?- 129,925,120 seconds is equal to 4 years, 6 weeks, 5 days, 18 hours, 18 minutes, 40 seconds.
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To count from 1 to 129,925,120 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 129925120 cubic inches would be around 42.2 feet tall.
Recreational maths with 129925120
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