638545980 (number)
638545980 is an even 9-digits composite number following 638545979 and preceding 638545981. In scientific notation, it is written as 6.38545980 × 10^8. The sum of its digits is 48. It has a total of 6 prime factors and 48 positive divisors. There are 167401728 positive integers (up to 638545980) that are relatively prime to 638545980.
Interesting facts
- 638545980 has 48 divisors, whose sum is 1504339200
- The reverse of 638545980 is 089545836
- Previous prime number is 599
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 48
- Digital Root 3
Name
Name | six hundred thirty-eight million five hundred forty-five thousand nine hundred eighty |
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Notation
Scientific notation | 6.38545980 × 10^8 |
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Engineering notation | 6.38545980 × 10^6 |
Prime Factorization of 638545980
Prime Factorization 2 × 2 × 3 × 545 × 599 × 163
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 319272990 | Product of the distinct prime numbers |
The prime factorization of 638545980 is 2 × 2 × 3 × 545 × 599 × 163. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638545980)
Multiplication
n×yn×2 | 1277091960 |
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n×3 | 1915637940 |
n×4 | 2554183920 |
n×5 | 3192729900 |
Division
n÷yn÷2 | 319272990 |
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n÷3 | 212848660 |
n÷3 | 159636495 |
n÷5 | 127709196 |
Exponentiation
nyn2 | 407740968574160400 |
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n3 | 2.6036135636434E+26 |
n4 | 1.6625269745379E+35 |
n5 | 1.0615999162328E+44 |
Nth Root
y√n2√n | 25269.467346978 |
---|---|
3√n | 861.12075800346 |
4√n | 158.96372965862 |
5√n | 57.681750943236 |
Divisors of 638545980
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -638545979 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 638545980 can be divided by 48 positive divisors. The sum of these divisors (counting 638545980) is 1, the average is 0.020833333333333.
Base conversion 638545980
Base | System | Value |
---|---|---|
2 | Binary | 100110000011110111000000111100 |
3 | Ternary | 1122111112111102010 |
4 | Quaternary | 212003313000330 |
5 | Quinary | 2301431432410 |
6 | Senary | 143210131220 |
8 | Octal | 4603670074 |
10 | Decimal | 638545980 |
12 | Duodecimal | 159a20b10 |
16 | Hexadecimal | 260f703c |
20 | Vigesimal | 9jai4j0 |
36 | Base36 | ak698c |
Cryptographic Hash Functions
md5 | 223f6f2e6dc9606f4bf9bfedbf804dad |
---|---|
sha1 | b17c1116e99027223cf9c5af7915e1485af30368 |
sha256 | 2e86a46eb7c0424232ab01c0c3e6f8a9d7f30283e24b62aefcc37e138c38c6dc |
sha512 | 24ada7475dc1db7a193e1f28e0bfe339efb1ffa7b686b975b116bea3d26552714ef5ac14b858e2345b54aac880598f7849b0144c8e15b9743546af7074a79eda |
ripemd-160 | 5cc40a27be84849d0218afd0866fd231746df40c |
638545980 as geometric shapes
Circle
Radius = nDiameter | 1277091960 |
---|---|
Circumference | 4012102719.4946 |
Area | 1.2809560314402E+18 |
Sphere
Radius = nVolume | 1.0905990992438E+27 |
---|---|
Surface area | 5.1238241257607E+18 |
Circumference | 4012102719.4946 |
Square
Length = nPerimeter | 2554183920 |
---|---|
Area | 407740968574160400 |
Diagonal | 903040385.11482 |
Cube
Length = nSurface area | 2446445811444962400 |
---|---|
Volume | 2.6036135636434E+26 |
Space diagonal | 1105994080.3289 |
Equilateral Triangle
Length = nPerimeter | 1915637940 |
---|---|
Area | 1.7655701847445E+17 |
Altitude | 552997040.16443 |
Triangular Pyramid
Length = nSurface area | 1.7655701847445E+17 |
---|---|
Volume | 3.0683880107358E+25 |
Height | 301013461.70494 |