71129025
71,129,025 is an odd composite number composed of five prime numbers multiplied together.
71129025 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 71129025:
32 × 52 × 11 × 29 × 991
(3 × 3 × 5 × 5 × 11 × 29 × 991)See below for interesting mathematical facts about the number 71129025 from the Numbermatics database.
Names of 71129025
- Cardinal: 71129025 can be written as Seventy-one million, one hundred twenty-nine thousand and twenty-five.
Scientific notation
- Scientific notation: 7.1129025 × 107
Factors of 71129025
Divisors of 71129025
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 9 11 15 25 29 33 45 55 75 87 99 145 165 225 261 275 319 435 495 725 825 957 991 1305 1595 2175 2475 2871 2973 4785 4955 6525 7975 8919 10901 14355 14865 23925 24775 28739 32703 44595 54505 71775 74325 86217 98109 143695 163515 222975 258651 272525 316129 431085 490545 718475 817575 948387 1293255 1580645 2155425 2452725 2845161 4741935 6466275 7903225 14225805 23709675 71129025
- Sum of all divisors σ(n): 143919360
- Sum of proper divisors (its aliquot sum) s(n): 72790335
- 71129025 is an abundant number, because the sum of its proper divisors (72790335) is greater than itself. Its abundance is 1661310
Bases of 71129025
- Binary: 1000011110101010111110000012
- Hexadecimal: 0x43D57C1
- Base-36: 16CJI9
Squares and roots of 71129025
- 71129025 squared (711290252) is 5059338197450625
- 71129025 cubed (711290253) is 359865793129920441890625
-
The
square root of 71129025 is 8433.8025231801 -
The
cube root of 71129025 is 414.3324536757
Scales and comparisons
How big is 71129025?- 71,129,025 seconds is equal to 2 years, 13 weeks, 4 days, 6 hours, 3 minutes, 45 seconds.
-
To count from 1 to 71,129,025 would take you about three 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 71129025 cubic inches would be around 34.5 feet tall.
Recreational maths with 71129025
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