72741990

72,741,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 72741990 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

72741990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 72741990:

2 × 3 × 5 × 317 × 7649

See below for interesting mathematical facts about the number 72741990 from the Numbermatics database.

Names of 72741990

Cardinal: 72741990 can be written as Seventy-two million, seven hundred forty-one thousand, nine hundred ninety.

Scientific notation

Scientific notation: 7.274199 × 10⁷

Factors of 72741990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 7976

Divisors of 72741990

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 15 30 317 634 951 1585 1902 3170 4755 7649 9510 15298 22947 38245 45894 76490 114735 229470 2424733 4849466 7274199 12123665 14548398 24247330 36370995 72741990
Sum of all divisors σ(n): 175154400
Sum of proper divisors (its aliquot sum) s(n): 102412410
72741990 is an abundant number, because the sum of its proper divisors (102412410) is greater than itself. Its abundance is 29670420

Bases of 72741990

Binary: 100010101011111010001100110₂
Hexadecimal: 0x455F466
Base-36: 17B42U

Squares and roots of 72741990

72741990 squared (72741990²) is 5291397109160100
72741990 cubed (72741990³) is 384906755600552902599000
The square root of 72741990 is 8528.8914871747
The cube root of 72741990 is 417.4409588185

Scales and comparisons

How big is 72741990?

72,741,990 seconds is equal to 2 years, 16 weeks, 1 day, 22 hours, 6 minutes, 30 seconds.
To count from 1 to 72,741,990 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 72741990 cubic inches would be around 34.8 feet tall.

Recreational maths with 72741990

72741990 backwards is 09914727
The number of decimal digits it has is: 8
The sum of 72741990's digits is 39
More coming soon!

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The information we have on file for 72741990 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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