987389904 (number)
987389904 is an even 9-digits composite number following 987389903 and preceding 987389905. In scientific notation, it is written as 9.87389904 × 10^8. The sum of its digits is 57. It has a total of 7 prime factors and 40 positive divisors. There are 328578048 positive integers (up to 987389904) that are relatively prime to 987389904.
Interesting facts
- 987389904 has 40 divisors, whose sum is 2555034880
- The reverse of 987389904 is 409983789
- Previous prime number is 607
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 57
- Digital Root 3
Name
Name | nine hundred eighty-seven million three hundred eighty-nine thousand nine hundred four |
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Notation
Scientific notation | 9.87389904 × 10^8 |
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Engineering notation | 9.87389904 × 10^6 |
Prime Factorization of 987389904
Prime Factorization 2 × 2 × 2 × 2 × 3 × 607 × 33889
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 123423738 | Product of the distinct prime numbers |
The prime factorization of 987389904 is 2 × 2 × 2 × 2 × 3 × 607 × 33889. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 987389904)
Multiplication
n×yn×2 | 1974779808 |
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n×3 | 2962169712 |
n×4 | 3949559616 |
n×5 | 4936949520 |
Division
n÷yn÷2 | 493694952 |
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n÷3 | 329129968 |
n÷3 | 246847476 |
n÷5 | 197477980.8 |
Exponentiation
nyn2 | 974938822521129216 |
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n3 | 9.6264475037501E+26 |
n4 | 9.5050570765889E+35 |
n5 | 9.3851973943676E+44 |
Nth Root
y√n2√n | 31422.760922618 |
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3√n | 995.7788415592 |
4√n | 177.26466349111 |
5√n | 62.935797016235 |
Divisors of 987389904
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -987389903 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 987389904 can be divided by 40 positive divisors. The sum of these divisors (counting 987389904) is 1, the average is 0.025.
Base conversion 987389904
Base | System | Value |
---|---|---|
2 | Binary | 111010110110100101111111010000 |
3 | Ternary | 2112210221121022110 |
4 | Quaternary | 322312211333100 |
5 | Quinary | 4010232434104 |
6 | Senary | 241551105320 |
8 | Octal | 7266457720 |
10 | Decimal | 987389904 |
12 | Duodecimal | 236812240 |
16 | Hexadecimal | 3ada5fd0 |
20 | Vigesimal | f8b3ef4 |
36 | Base36 | gbv6xc |
Cryptographic Hash Functions
md5 | 262601259d09f96efdf2c1c3aabb878e |
---|---|
sha1 | bcab405a558e2b30e7f58292aebfc277318add9c |
sha256 | ffefa1759fe122cc6d29990e60ecc539c62af7ab80a2135dccd8c75f3986839c |
sha512 | e69d393a0270ee41ec6ad20e649eb831e82e78ca6e4db697945a891a94dd940ef7ef219434cbbb824bcd77b4091c53e8f9c398cc69e556b1a45ecd61ab3bdc2a |
ripemd-160 | 24d2c36329bbcc218485dc687b3be2953d3ac02f |
987389904 as geometric shapes
Circle
Radius = nDiameter | 1974779808 |
---|---|
Circumference | 6203953737.2703 |
Area | 3.0628606425319E+18 |
Sphere
Radius = nVolume | 4.0323169010599E+27 |
---|---|
Surface area | 1.2251442570127E+19 |
Circumference | 6203953737.2703 |
Square
Length = nPerimeter | 3949559616 |
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Area | 974938822521129216 |
Diagonal | 1396380193.5871 |
Cube
Length = nSurface area | 5849632935126775296 |
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Volume | 9.6264475037501E+26 |
Space diagonal | 1710209480.6086 |
Equilateral Triangle
Length = nPerimeter | 2962169712 |
---|---|
Area | 4.2216089371949E+17 |
Altitude | 855104740.30428 |
Triangular Pyramid
Length = nSurface area | 4.2216089371949E+17 |
---|---|
Volume | 1.1344877181063E+26 |
Height | 465460064.52902 |