71329986
71,329,986 is an even composite number composed of five prime numbers multiplied together.
71329986 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 71329986:
2 × 32 × 72 × 13 × 6221
(2 × 3 × 3 × 7 × 7 × 13 × 6221)See below for interesting mathematical facts about the number 71329986 from the Numbermatics database.
Names of 71329986
- Cardinal: 71329986 can be written as Seventy-one million, three hundred twenty-nine thousand, nine hundred eighty-six.
Scientific notation
- Scientific notation: 7.1329986 × 107
Factors of 71329986
Divisors of 71329986
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 117 126 147 182 234 273 294 441 546 637 819 882 1274 1638 1911 3822 5733 6221 11466 12442 18663 37326 43547 55989 80873 87094 111978 130641 161746 242619 261282 304829 391923 485238 566111 609658 727857 783846 914487 1132222 1455714 1698333 1828974 2743461 3396666 3962777 5094999 5486922 7925554 10189998 11888331 23776662 35664993 71329986
- Sum of all divisors σ(n): 193641084
- Sum of proper divisors (its aliquot sum) s(n): 122311098
- 71329986 is an abundant number, because the sum of its proper divisors (122311098) is greater than itself. Its abundance is 50981112
Bases of 71329986
- Binary: 1000100000001101000110000102
- Hexadecimal: 0x44068C2
- Base-36: 16GUKI
Squares and roots of 71329986
- 71329986 squared (713299862) is 5087966902760196
- 71329986 cubed (713299863) is 362924607942348142037256
-
The
square root of 71329986 is 8445.7081408251 -
The
cube root of 71329986 is 414.7222915847
Scales and comparisons
How big is 71329986?- 71,329,986 seconds is equal to 2 years, 13 weeks, 6 days, 13 hours, 53 minutes, 6 seconds.
-
To count from 1 to 71,329,986 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 71329986 cubic inches would be around 34.6 feet tall.
Recreational maths with 71329986
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