129908480
129,908,480 is an even composite number composed of five prime numbers multiplied together.
129908480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 129908480:
28 × 5 × 13 × 37 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 37 × 211)See below for interesting mathematical facts about the number 129908480 from the Numbermatics database.
Names of 129908480
- Cardinal: 129908480 can be written as One hundred twenty-nine million, nine hundred eight thousand, four hundred eighty.
Scientific notation
- Scientific notation: 1.2990848 × 108
Factors of 129908480
Divisors of 129908480
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 37 40 52 64 65 74 80 104 128 130 148 160 185 208 211 256 260 296 320 370 416 422 481 520 592 640 740 832 844 962 1040 1055 1184 1280 1480 1664 1688 1924 2080 2110 2368 2405 2743 2960 3328 3376 3848 4160 4220 4736 4810 5486 5920 6752 7696 7807 8320 8440 9472 9620 10972 11840 13504 13715 15392 15614 16640 16880 19240 21944 23680 27008 27430 30784 31228 33760 38480 39035 43888 47360 54016 54860 61568 62456 67520 76960 78070 87776 101491 109720 123136 124912 135040 153920 156140 175552 202982 219440 249824 270080 307840 312280 351104 405964 438880 499648 507455 615680 624560 702208 811928 877760 999296 1014910 1249120 1623856 1755520 1998592 2029820 2498240 3247712 3511040 4059640 4996480 6495424 8119280 9992960 12990848 16238560 25981696 32477120 64954240 129908480
- Sum of all divisors σ(n): 345795744
- Sum of proper divisors (its aliquot sum) s(n): 215887264
- 129908480 is an abundant number, because the sum of its proper divisors (215887264) is greater than itself. Its abundance is 85978784
Bases of 129908480
- Binary: 1111011111000111111000000002
- Hexadecimal: 0x7BE3F00
- Base-36: 25CE0W
Squares and roots of 129908480
- 129908480 squared (1299084802) is 16876213175910400
- 129908480 cubed (1299084803) is 2192363201838492680192000
-
The
square root of 129908480 is 11397.7401268849 -
The
cube root of 129908480 is 506.4607966325
Scales and comparisons
How big is 129908480?- 129,908,480 seconds is equal to 4 years, 6 weeks, 5 days, 13 hours, 41 minutes, 20 seconds.
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To count from 1 to 129,908,480 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 129908480 cubic inches would be around 42.2 feet tall.
Recreational maths with 129908480
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