61729940

61,729,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 61729940 look like?

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

61729940 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 61729940:

2² × 5 × 43 × 179 × 401

(2 × 2 × 5 × 43 × 179 × 401)

See below for interesting mathematical facts about the number 61729940 from the Numbermatics database.

Names of 61729940

Cardinal: 61729940 can be written as Sixty-one million, seven hundred twenty-nine thousand, nine hundred forty.

Scientific notation

Scientific notation: 6.172994 × 10⁷

Factors of 61729940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 630

Divisors of 61729940

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 20 43 86 172 179 215 358 401 430 716 802 860 895 1604 1790 2005 3580 4010 7697 8020 15394 17243 30788 34486 38485 68972 71779 76970 86215 143558 153940 172430 287116 344860 358895 717790 1435580 3086497 6172994 12345988 15432485 30864970 61729940
Sum of all divisors σ(n): 133721280
Sum of proper divisors (its aliquot sum) s(n): 71991340
61729940 is an abundant number, because the sum of its proper divisors (71991340) is greater than itself. Its abundance is 10261400

Bases of 61729940

Binary: 11101011011110110010010100₂
Hexadecimal: 0x3ADEC94
Base-36: 10R34K

Squares and roots of 61729940

61729940 squared (61729940²) is 3810585492403600
61729940 cubed (61729940³) is 235227213810944683784000
The square root of 61729940 is 7856.8403318383
The cube root of 61729940 is 395.2136642465

Scales and comparisons

How big is 61729940?

61,729,940 seconds is equal to 1 year, 50 weeks, 11 hours, 12 minutes, 20 seconds.
To count from 1 to 61,729,940 would take you about two 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 61729940 cubic inches would be around 32.9 feet tall.

Recreational maths with 61729940

61729940 backwards is 04992716
The number of decimal digits it has is: 8
The sum of 61729940's digits is 38
More coming soon!

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The information we have on file for 61729940 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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