129232128
129,232,128 is an even composite number composed of four prime numbers multiplied together.
129232128 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 129232128:
28 × 3 × 191 × 881
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 191 × 881)See below for interesting mathematical facts about the number 129232128 from the Numbermatics database.
Names of 129232128
- Cardinal: 129232128 can be written as One hundred twenty-nine million, two hundred thirty-two thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.29232128 × 108
Factors of 129232128
Divisors of 129232128
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 128 191 192 256 382 384 573 764 768 881 1146 1528 1762 2292 2643 3056 3524 4584 5286 6112 7048 9168 10572 12224 14096 18336 21144 24448 28192 36672 42288 48896 56384 73344 84576 112768 146688 168271 169152 225536 336542 338304 504813 673084 676608 1009626 1346168 2019252 2692336 4038504 5384672 8077008 10769344 16154016 21538688 32308032 43077376 64616064 129232128
- Sum of all divisors σ(n): 346139136
- Sum of proper divisors (its aliquot sum) s(n): 216907008
- 129232128 is an abundant number, because the sum of its proper divisors (216907008) is greater than itself. Its abundance is 87674880
Bases of 129232128
- Binary: 1111011001111101101000000002
- Hexadecimal: 0x7B3ED00
- Base-36: 24XW5C
Squares and roots of 129232128
- 129232128 squared (1292321282) is 16700942907408384
- 129232128 cubed (1292321283) is 2158298391530892429361152
-
The
square root of 129232128 is 11368.0309640677 -
The
cube root of 129232128 is 505.5803255711
Scales and comparisons
How big is 129232128?- 129,232,128 seconds is equal to 4 years, 5 weeks, 4 days, 17 hours, 48 minutes, 48 seconds.
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To count from 1 to 129,232,128 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 129232128 cubic inches would be around 42.1 feet tall.
Recreational maths with 129232128
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