129913472
129,913,472 is an even composite number composed of four prime numbers multiplied together.
129913472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 129913472:
27 × 13 × 101 × 773
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 101 × 773)See below for interesting mathematical facts about the number 129913472 from the Numbermatics database.
Names of 129913472
- Cardinal: 129913472 can be written as One hundred twenty-nine million, nine hundred thirteen thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.29913472 × 108
Factors of 129913472
Divisors of 129913472
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 101 104 128 202 208 404 416 773 808 832 1313 1546 1616 1664 2626 3092 3232 5252 6184 6464 10049 10504 12368 12928 20098 21008 24736 40196 42016 49472 78073 80392 84032 98944 156146 160784 168064 312292 321568 624584 643136 1014949 1249168 1286272 2029898 2498336 4059796 4996672 8119592 9993344 16239184 32478368 64956736 129913472
- Sum of all divisors σ(n): 281844360
- Sum of proper divisors (its aliquot sum) s(n): 151930888
- 129913472 is an abundant number, because the sum of its proper divisors (151930888) is greater than itself. Its abundance is 22017416
Bases of 129913472
- Binary: 1111011111001010010100000002
- Hexadecimal: 0x7BE5280
- Base-36: 25CHVK
Squares and roots of 129913472
- 129913472 squared (1299134722) is 16877510207094784
- 129913472 cubed (1299134723) is 2192615949719122422530048
-
The
square root of 129913472 is 11397.9591155609 -
The
cube root of 129913472 is 506.4672838151
Scales and comparisons
How big is 129913472?- 129,913,472 seconds is equal to 4 years, 6 weeks, 5 days, 15 hours, 4 minutes, 32 seconds.
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To count from 1 to 129,913,472 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 129913472 cubic inches would be around 42.2 feet tall.
Recreational maths with 129913472
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