64490420

64,490,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 64490420 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

64490420 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 64490420:

2² × 5 × 61 × 52861

(2 × 2 × 5 × 61 × 52861)

See below for interesting mathematical facts about the number 64490420 from the Numbermatics database.

Names of 64490420

Cardinal: 64490420 can be written as Sixty-four million, four hundred ninety thousand, four hundred twenty.

Scientific notation

Scientific notation: 6.449042 × 10⁷

Factors of 64490420

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 52929

Divisors of 64490420

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 20 61 122 244 305 610 1220 52861 105722 211444 264305 528610 1057220 3224521 6449042 12898084 16122605 32245210 64490420
Sum of all divisors σ(n): 137652648
Sum of proper divisors (its aliquot sum) s(n): 73162228
64490420 is an abundant number, because the sum of its proper divisors (73162228) is greater than itself. Its abundance is 8671808

Bases of 64490420

Binary: 11110110000000101110110100₂
Hexadecimal: 0x3D80BB4
Base-36: 12E94K

Squares and roots of 64490420

64490420 squared (64490420²) is 4159014271776400
64490420 cubed (64490420³) is 268216577172854182088000
The square root of 64490420 is 8030.5927552081
The cube root of 64490420 is 401.0191096669

Scales and comparisons

How big is 64490420?

64,490,420 seconds is equal to 2 years, 2 weeks, 4 days, 10 hours, 20 seconds.
To count from 1 to 64,490,420 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 64490420 cubic inches would be around 33.4 feet tall.

Recreational maths with 64490420

64490420 backwards is 02409446
The number of decimal digits it has is: 8
The sum of 64490420's digits is 29
More coming soon!

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The information we have on file for 64490420 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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