640721333875013
640,721,333,875,013 is an odd composite number composed of two prime numbers multiplied together.
What does the number 640721333875013 look like?
This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.
640721333875013 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.
Prime factorization of 640721333875013:
659 × 972263025607
See below for interesting mathematical facts about the number 640721333875013 from the Numbermatics database.
Names of 640721333875013
- Cardinal: 640721333875013 can be written as Six hundred forty trillion, seven hundred twenty-one billion, three hundred thirty-three million, eight hundred seventy-five thousand and thirteen.
Scientific notation
- Scientific notation: 6.40721333875013 × 1014
Factors of 640721333875013
- Number of distinct prime factors ω(n): 2
- Total number of prime factors Ω(n): 2
- Sum of prime factors: 972263026266
Divisors of 640721333875013
- Number of divisors d(n): 4
- Complete list of divisors:
- Sum of all divisors σ(n): 641693596901280
- Sum of proper divisors (its aliquot sum) s(n): 972263026267
- 640721333875013 is a deficient number, because the sum of its proper divisors (972263026267) is less than itself. Its deficiency is 639749070848746
Bases of 640721333875013
- Binary: 100100011010111011100011111000000101110001010001012
- Hexadecimal: 0x246BB8F817145
- Base-36: 6B47BF95XH
Squares and roots of 640721333875013
- 640721333875013 squared (6407213338750132) is 410523827682575881270305750169
- 640721333875013 cubed (6407213338750133) is 263031374460256005553173803163820700649627197
-
The
square root of 640721333875013 is 25312473.8789991249 -
The
cube root of 640721333875013 is 86209.7518353183
Scales and comparisons
How big is 640721333875013?- 640,721,333,875,013 seconds is equal to 20,372,956 years, 27 weeks, 6 days, 2 hours, 36 minutes, 53 seconds.
-
To count from 1 to 640,721,333,875,013 would take you about fifty million, nine hundred thirty-two thousand, three hundred ninety-one 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 640721333875013 cubic inches would be around 7184.1 feet tall.
Recreational maths with 640721333875013
- 640721333875013 backwards is 310578333127046
- The number of decimal digits it has is: 15
- The sum of 640721333875013's digits is 53
- More coming soon!
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