70989721

70,989,721 is an odd composite number composed of four prime numbers multiplied together.

What does the number 70989721 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

70989721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 70989721:

11 × 31 × 409 × 509

See below for interesting mathematical facts about the number 70989721 from the Numbermatics database.

Names of 70989721

Cardinal: 70989721 can be written as Seventy million, nine hundred eighty-nine thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 7.0989721 × 10⁷

Factors of 70989721

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 960

Divisors of 70989721

Number of divisors d(n): 16
Complete list of divisors:
1 11 31 341 409 509 4499 5599 12679 15779 139469 173569 208181 2289991 6453611 70989721
Sum of all divisors σ(n): 80294400
Sum of proper divisors (its aliquot sum) s(n): 9304679
70989721 is a deficient number, because the sum of its proper divisors (9304679) is less than itself. Its deficiency is 61685042

Bases of 70989721

Binary: 100001110110011011110011001₂
Hexadecimal: 0x43B3799
Base-36: 169K0P

Squares and roots of 70989721

70989721 squared (70989721²) is 5039540487657841
70989721 cubed (70989721³) is 357755573187034076052361
The square root of 70989721 is 8425.5398046653
The cube root of 70989721 is 414.0617911301

Scales and comparisons

How big is 70989721?

70,989,721 seconds is equal to 2 years, 13 weeks, 2 days, 15 hours, 22 minutes, 1 second.
To count from 1 to 70,989,721 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 70989721 cubic inches would be around 34.5 feet tall.

Recreational maths with 70989721

70989721 backwards is 12798907
The number of decimal digits it has is: 8
The sum of 70989721's digits is 43
More coming soon!

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The information we have on file for 70989721 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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