3989311921

3,989,311,921 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3989311921 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 15 divisors.

3989311921 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fifteen divisors.

Prime factorization of 3989311921:

7⁴ × 1289²

(7 × 7 × 7 × 7 × 1289 × 1289)

See below for interesting mathematical facts about the number 3989311921 from the Numbermatics database.

Names of 3989311921

Cardinal: 3989311921 can be written as Three billion, nine hundred eighty-nine million, three hundred eleven thousand, nine hundred twenty-one.

Scientific notation

Scientific notation: 3.989311921 × 10⁹

Factors of 3989311921

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 6
Sum of prime factors: 1296

Divisors of 3989311921

Number of divisors d(n): 15
Complete list of divisors:
1 7 49 343 1289 2401 9023 63161 442127 1661521 3094889 11630647 81414529 569901703 3989311921
Sum of all divisors σ(n): 4657533611
Sum of proper divisors (its aliquot sum) s(n): 668221690
3989311921 is a deficient number, because the sum of its proper divisors (668221690) is less than itself. Its deficiency is 3321090231

Bases of 3989311921

Binary: 11101101110010000001000110110001₂
Hexadecimal: 0xEDC811B1
Base-36: 1TZ4SS1

Squares and roots of 3989311921

3989311921 squared (3989311921²) is 15914609603032710241
3989311921 cubed (3989311921³) is 63488341807439468717360082961
3989311921 is a perfect square number. Its square root is 63161
The cube root of 3989311921 is 1585.9859351581

Scales and comparisons

How big is 3989311921?

3,989,311,921 seconds is equal to 126 years, 44 weeks, 14 hours, 12 minutes, 1 second.
To count from 1 to 3,989,311,921 would take you about two hundred fifty-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 3989311921 cubic inches would be around 132.2 feet tall.

Recreational maths with 3989311921

3989311921 backwards is 1291139893
The number of decimal digits it has is: 10
The sum of 3989311921's digits is 46
More coming soon!

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The information we have on file for 3989311921 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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