640007121

640,007,121 is an odd composite number composed of five prime numbers multiplied together.

What does the number 640007121 look like?

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

640007121 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 640007121:

3 × 13 × 31 × 487 × 1087

See below for interesting mathematical facts about the number 640007121 from the Numbermatics database.

Names of 640007121

Cardinal: 640007121 can be written as Six hundred forty million, seven thousand, one hundred twenty-one.

Scientific notation

Scientific notation: 6.40007121 × 10⁸

Factors of 640007121

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1621

Divisors of 640007121

Number of divisors d(n): 32
Complete list of divisors:
1 3 13 31 39 93 403 487 1087 1209 1461 3261 6331 14131 15097 18993 33697 42393 45291 101091 196261 438061 529369 588783 1314183 1588107 6881797 16410439 20645391 49231317 213335707 640007121
Sum of all divisors σ(n): 951451648
Sum of proper divisors (its aliquot sum) s(n): 311444527
640007121 is a deficient number, because the sum of its proper divisors (311444527) is less than itself. Its deficiency is 328562594

Bases of 640007121

Binary: 100110001001011011101111010001₂
Hexadecimal: 0x2625BBD1
Base-36: AL1KNL

Squares and roots of 640007121

640007121 squared (640007121²) is 409609114930708641
640007121 cubed (640007121³) is 262152750382160951816232561
The square root of 640007121 is 25298.3620220755
The cube root of 640007121 is 861.7770721945

Scales and comparisons

How big is 640007121?

640,007,121 seconds is equal to 20 years, 18 weeks, 1 day, 11 hours, 45 minutes, 21 seconds.
To count from 1 to 640,007,121 would take you about thirty 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 640007121 cubic inches would be around 71.8 feet tall.

Recreational maths with 640007121

640007121 backwards is 121700046
The number of decimal digits it has is: 9
The sum of 640007121's digits is 21
More coming soon!

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The information we have on file for 640007121 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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