129729788125
129,729,788,125 is an odd composite number composed of five prime numbers multiplied together.
129729788125 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 129729788125:
54 × 7 × 31 × 229 × 4177
(5 × 5 × 5 × 5 × 7 × 31 × 229 × 4177)See below for interesting mathematical facts about the number 129729788125 from the Numbermatics database.
Names of 129729788125
- Cardinal: 129729788125 can be written as One hundred twenty-nine billion, seven hundred twenty-nine million, seven hundred eighty-eight thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 1.29729788125 × 1011
Factors of 129729788125
Divisors of 129729788125
- Number of divisors d(n): 80
-
Complete list of divisors:
1 5 7 25 31 35 125 155 175 217 229 625 775 875 1085 1145 1603 3875 4177 4375 5425 5725 7099 8015 19375 20885 27125 28625 29239 35495 40075 49693 104425 129487 135625 143125 146195 177475 200375 248465 522125 647435 730975 887375 906409 956533 1001875 1242325 2610625 3237175 3654875 4436875 4532045 4782665 6211625 6695731 16185875 18274375 22660225 23913325 29652523 31058125 33478655 80929375 113301125 119566625 148262615 167393275 207567661 566505625 597833125 741313075 836966375 1037838305 3706565375 4184831875 5189191525 18532826875 25945957625 129729788125
- Sum of all divisors σ(n): 192126499840
- Sum of proper divisors (its aliquot sum) s(n): 62396711715
- 129729788125 is a deficient number, because the sum of its proper divisors (62396711715) is less than itself. Its deficiency is 67333076410
Bases of 129729788125
- Binary: 11110001101000111111101111000110111012
- Hexadecimal: 0x1E347F78DD
- Base-36: 1NLHRL5P
Squares and roots of 129729788125
- 129729788125 squared (1297297881252) is 16829817926957391015625
- 129729788125 cubed (1297297881253) is 2183328713846509062359809814453125
-
The
square root of 129729788125 is 360180.2161765689 -
The
cube root of 129729788125 is 5062.2847421555
Scales and comparisons
How big is 129729788125?- 129,729,788,125 seconds is equal to 4,125 years, 2 days, 4 hours, 15 minutes, 25 seconds.
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To count from 1 to 129,729,788,125 would take you about eight thousand, two hundred fifty 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 129729788125 cubic inches would be around 421.9 feet tall.
Recreational maths with 129729788125
- 129729788125 backwards is 521887927921
- The number of decimal digits it has is: 12
- The sum of 129729788125's digits is 61
- More coming soon!
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