1381640

1,381,640 is an even composite number composed of four prime numbers multiplied together.

What does the number 1381640 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

1381640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 1381640:

2³ × 5 × 13 × 2657

(2 × 2 × 2 × 5 × 13 × 2657)

See below for interesting mathematical facts about the number 1381640 from the Numbermatics database.

Names of 1381640

Cardinal: 1381640 can be written as One million, three hundred eighty-one thousand, six hundred forty.

Scientific notation

Scientific notation: 1.38164 × 10⁶

Factors of 1381640

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 2677

Divisors of 1381640

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 2657 5314 10628 13285 21256 26570 34541 53140 69082 106280 138164 172705 276328 345410 690820 1381640
Sum of all divisors σ(n): 3349080
Sum of proper divisors (its aliquot sum) s(n): 1967440
1381640 is an abundant number, because the sum of its proper divisors (1967440) is greater than itself. Its abundance is 585800

Bases of 1381640

Binary: 101010001010100001000₂
Hexadecimal: 0x151508
Base-36: TM2W

Squares and roots of 1381640

1381640 squared (1381640²) is 1908929089600
1381640 cubed (1381640³) is 2637452787354944000
The square root of 1381640 is 1175.4318355395
The cube root of 1381640 is 111.3777138691

Scales and comparisons

How big is 1381640?

1,381,640 seconds is equal to 2 weeks, 1 day, 23 hours, 47 minutes, 20 seconds.
To count from 1 to 1,381,640 would take you about three weeks!

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 1381640 cubic inches would be around 9.3 feet tall.

Recreational maths with 1381640

1381640 backwards is 0461831
The number of decimal digits it has is: 7
The sum of 1381640's digits is 23
More coming soon!

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The information we have on file for 1381640 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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