640909830 (number)
640909830 is an even 9-digits composite number following 640909829 and preceding 640909831. In scientific notation, it is written as 6.40909830 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 155372000 positive integers (up to 640909830) that are relatively prime to 640909830.
Interesting facts
- 640909830 has 32 divisors, whose sum is 1678019328
- The reverse of 640909830 is 038909046
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 39
- Digital Root 3
Name
Name | six hundred forty million nine hundred nine thousand eight hundred thirty |
---|
Notation
Scientific notation | 6.40909830 × 10^8 |
---|---|
Engineering notation | 6.40909830 × 10^6 |
Prime Factorization of 640909830
Prime Factorization 2 × 3 × 5 × 11 × 1942151
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 640909830 | Product of the distinct prime numbers |
The prime factorization of 640909830 is 2 × 3 × 5 × 11 × 1942151. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 640909830)
Multiplication
n×yn×2 | 1281819660 |
---|---|
n×3 | 1922729490 |
n×4 | 2563639320 |
n×5 | 3204549150 |
Division
n÷yn÷2 | 320454915 |
---|---|
n÷3 | 213636610 |
n÷3 | 160227457.5 |
n÷5 | 128181966 |
Exponentiation
nyn2 | 410765410190628900 |
---|---|
n3 | 2.6326358921516E+26 |
n4 | 1.6872822220908E+35 |
n5 | 1.0813957621222E+44 |
Nth Root
y√n2√n | 25316.196989279 |
---|---|
3√n | 862.18205125899 |
4√n | 159.11064385917 |
5√n | 57.724394559826 |
Divisors of 640909830
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -640909829 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 640909830 can be divided by 32 positive divisors. The sum of these divisors (counting 640909830) is 1, the average is 0.03125.
Base conversion 640909830
Base | System | Value |
---|---|---|
2 | Binary | 100110001100111000001000000110 |
3 | Ternary | 1122122222121000010 |
4 | Quaternary | 212030320020012 |
5 | Quinary | 2303033103310 |
6 | Senary | 143332531050 |
8 | Octal | 4614701006 |
10 | Decimal | 640909830 |
12 | Duodecimal | 15a780a86 |
16 | Hexadecimal | 26338206 |
20 | Vigesimal | a05deba |
36 | Base36 | alkx6u |
Cryptographic Hash Functions
md5 | f1595d8fda69dd160482f58f56601d6e |
---|---|
sha1 | 22bca1cbdb0b2f2379e8e6cf67eb761e22c6333a |
sha256 | a03dedfc711654af4b81ad68e89f282d6db8fe0c458fb22f1e94ab9926ab1545 |
sha512 | e934ead72b6f0d1cd0686a9eff2aa188b46f812010300dd7b68aebe1105cf678c83494da714b24b517f6cdf9a452e725462b1951800a3a544c2e1e326dd02895 |
ripemd-160 | 8158cf48604ce434b3964910b7c1fd13a5e583a8 |
640909830 as geometric shapes
Circle
Radius = nDiameter | 1281819660 |
---|---|
Circumference | 4026955227.083 |
Area | 1.2904575950037E+18 |
Sphere
Radius = nVolume | 1.1027559437814E+27 |
---|---|
Surface area | 5.1618303800147E+18 |
Circumference | 4026955227.083 |
Square
Length = nPerimeter | 2563639320 |
---|---|
Area | 410765410190628900 |
Diagonal | 906383373.84423 |
Cube
Length = nSurface area | 2464592461143773400 |
---|---|
Volume | 2.6326358921516E+26 |
Space diagonal | 1110088388.6303 |
Equilateral Triangle
Length = nPerimeter | 1922729490 |
---|---|
Area | 1.7786664011051E+17 |
Altitude | 555044194.31517 |
Triangular Pyramid
Length = nSurface area | 1.7786664011051E+17 |
---|---|
Volume | 3.1025911528924E+25 |
Height | 302127791.28141 |