842590021

842,590,021 is an odd composite number composed of five prime numbers multiplied together.

What does the number 842590021 look like?

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

842590021 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 842590021:

7 × 13 × 83 × 281 × 397

See below for interesting mathematical facts about the number 842590021 from the Numbermatics database.

Names of 842590021

Cardinal: 842590021 can be written as Eight hundred forty-two million, five hundred ninety thousand and twenty-one.

Scientific notation

Scientific notation: 8.42590021 × 10⁸

Factors of 842590021

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 781

Divisors of 842590021

Number of divisors d(n): 32
Complete list of divisors:
1 7 13 83 91 281 397 581 1079 1967 2779 3653 5161 7553 23323 25571 32951 36127 111557 163261 230657 303199 428363 780899 1450241 2122393 2998541 9259231 10151687 64814617 120370003 842590021
Sum of all divisors σ(n): 1055916288
Sum of proper divisors (its aliquot sum) s(n): 213326267
842590021 is a deficient number, because the sum of its proper divisors (213326267) is less than itself. Its deficiency is 629263754

Bases of 842590021

Binary: 110010001110001110011101000101₂
Hexadecimal: 0x3238E745
Base-36: DXNMMD

Squares and roots of 842590021

842590021 squared (842590021²) is 709957943488780441
842590021 cubed (842590021³) is 598203478513328325046579261
The square root of 842590021 is 29027.4012098913
The cube root of 842590021 is 944.5075571353

Scales and comparisons

How big is 842590021?

842,590,021 seconds is equal to 26 years, 41 weeks, 1 day, 4 hours, 47 minutes, 1 second.
To count from 1 to 842,590,021 would take you about forty 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 842590021 cubic inches would be around 78.7 feet tall.

Recreational maths with 842590021

842590021 backwards is 120095248
The number of decimal digits it has is: 9
The sum of 842590021's digits is 31
More coming soon!

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The information we have on file for 842590021 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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