71729940

71,729,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 71729940 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

71729940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 71729940:

2² × 3 × 5 × 19 × 62921

(2 × 2 × 3 × 5 × 19 × 62921)

See below for interesting mathematical facts about the number 71729940 from the Numbermatics database.

Names of 71729940

Cardinal: 71729940 can be written as Seventy-one million, seven hundred twenty-nine thousand, nine hundred forty.

Scientific notation

Scientific notation: 7.172994 × 10⁷

Factors of 71729940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 62950

Divisors of 71729940

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 62921 125842 188763 251684 314605 377526 629210 755052 943815 1195499 1258420 1887630 2390998 3586497 3775260 4781996 5977495 7172994 11954990 14345988 17932485 23909980 35864970 71729940
Sum of all divisors σ(n): 211417920
Sum of proper divisors (its aliquot sum) s(n): 139687980
71729940 is an abundant number, because the sum of its proper divisors (139687980) is greater than itself. Its abundance is 67958040

Bases of 71729940

Binary: 100010001101000001100010100₂
Hexadecimal: 0x4468314
Base-36: 16PF6C

Squares and roots of 71729940

71729940 squared (71729940²) is 5145184292403600
71729940 cubed (71729940³) is 369063760583052683784000
The square root of 71729940 is 8469.3529859133
The cube root of 71729940 is 415.4959764207

Scales and comparisons

How big is 71729940?

71,729,940 seconds is equal to 2 years, 14 weeks, 4 days, 4 hours, 59 minutes.
To count from 1 to 71,729,940 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 71729940 cubic inches would be around 34.6 feet tall.

Recreational maths with 71729940

71729940 backwards is 04992717
The number of decimal digits it has is: 8
The sum of 71729940's digits is 39
More coming soon!

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The information we have on file for 71729940 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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