21031560 (number)
21031560 is an even 8-digits composite number following 21031559 and preceding 21031561. In scientific notation, it is written as 2.1031560 × 10^7. The sum of its digits is 18. It has a total of 9 prime factors and 192 positive divisors. There are 4945920 positive integers (up to 21031560) that are relatively prime to 21031560.
Interesting facts
- 21031560 has 192 divisors, whose sum is 76826880
- The reverse of 21031560 is 06513012
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty-one million thirty-one thousand five hundred sixty |
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Notation
Scientific notation | 2.1031560 × 10^7 |
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Engineering notation | 2.1031560 × 10^6 |
Prime Factorization of 21031560
Prime Factorization 2 × 2 × 2 × 3 × 5 × 3 × 11 × 47 × 113
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 1752630 | Product of the distinct prime numbers |
The prime factorization of 21031560 is 2 × 2 × 2 × 3 × 5 × 3 × 11 × 47 × 113. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21031560)
Multiplication
n×yn×2 | 42063120 |
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n×3 | 63094680 |
n×4 | 84126240 |
n×5 | 105157800 |
Division
n÷yn÷2 | 10515780 |
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n÷3 | 7010520 |
n÷3 | 5257890 |
n÷5 | 4206312 |
Exponentiation
nyn2 | 442326516033600 |
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n3 | 9.3028166615516E+21 |
n4 | 1.9565274678642E+29 |
n5 | 4.1148824832035E+36 |
Nth Root
y√n2√n | 4586.017880471 |
---|---|
3√n | 276.03055742325 |
4√n | 67.72014383085 |
5√n | 29.14568705591 |
Divisors of 21031560
192 divisors
τ | Total Divisors | 192 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21031559 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0052083333333333 | 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 | 192 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21031560 can be divided by 192 positive divisors. The sum of these divisors (counting 21031560) is 1, the average is 0.0052083333333333.
Base conversion 21031560
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110101010001000 |
3 | Ternary | 1110120111212200 |
4 | Quaternary | 1100032222020 |
5 | Quinary | 20341002220 |
6 | Senary | 2030440200 |
8 | Octal | 120165210 |
10 | Decimal | 21031560 |
12 | Duodecimal | 7063060 |
16 | Hexadecimal | 140ea88 |
20 | Vigesimal | 6b8ii0 |
36 | Base36 | cis20 |
Cryptographic Hash Functions
md5 | e860ea67c612c6d9440870d7da006b15 |
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sha1 | edc317169c528ef42df7871d9676b9f59cc87563 |
sha256 | c822b986de523b5ff66115c8e36d14ced4f136f3904a24396329150c8aa0a168 |
sha512 | c13cfd5c82ec1fa7bb22aa75f6dd3909cbe832cf3be9e5a3c7bda5b71095df4bdbd49a6d44cc767fa75fc870cdd9ce3ac8a4f5f905dc541a3885f25293228ca7 |
ripemd-160 | 04b8f248d5263308e8ee1475b735051e78524562 |
21031560 as geometric shapes
Circle
Radius = nDiameter | 42063120 |
---|---|
Circumference | 132145188.77907 |
Area | 1.3896097332591E+15 |
Sphere
Radius = nVolume | 3.8967547308831E+22 |
---|---|
Surface area | 5.5584389330365E+15 |
Circumference | 132145188.77907 |
Square
Length = nPerimeter | 84126240 |
---|---|
Area | 442326516033600 |
Diagonal | 29743117.389863 |
Cube
Length = nSurface area | 2653959096201600 |
---|---|
Volume | 9.3028166615516E+21 |
Space diagonal | 36427730.482433 |
Equilateral Triangle
Length = nPerimeter | 63094680 |
---|---|
Area | 1.9153299982628E+14 |
Altitude | 18213865.241217 |
Triangular Pyramid
Length = nSurface area | 1.9153299982628E+14 |
---|---|
Volume | 1.0963474575864E+21 |
Height | 9914372.4632878 |