21031860 (number)
21031860 is an even 8-digits composite number following 21031859 and preceding 21031861. In scientific notation, it is written as 2.1031860 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 5307840 positive integers (up to 21031860) that are relatively prime to 21031860.
Interesting facts
- 21031860 has 48 divisors, whose sum is 52254720
- The reverse of 21031860 is 06813012
- Previous prime number is 95
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million thirty-one thousand eight hundred sixty |
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Notation
Scientific notation | 2.1031860 × 10^7 |
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Engineering notation | 2.1031860 × 10^6 |
Prime Factorization of 21031860
Prime Factorization 2 × 2 × 3 × 19 × 95 × 971
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10515930 | Product of the distinct prime numbers |
The prime factorization of 21031860 is 2 × 2 × 3 × 19 × 95 × 971. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21031860)
Multiplication
n×yn×2 | 42063720 |
---|---|
n×3 | 63095580 |
n×4 | 84127440 |
n×5 | 105159300 |
Division
n÷yn÷2 | 10515930 |
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n÷3 | 7010620 |
n÷3 | 5257965 |
n÷5 | 4206372 |
Exponentiation
nyn2 | 442339135059600 |
---|---|
n3 | 9.3032147610946E+21 |
n4 | 1.9566391040528E+29 |
n5 | 4.1151759706963E+36 |
Nth Root
y√n2√n | 4586.0505884693 |
---|---|
3√n | 276.0318698758 |
4√n | 67.720385324283 |
5√n | 29.145770203867 |
Divisors of 21031860
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 | -21031859 | 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 21031860 can be divided by 48 positive divisors. The sum of these divisors (counting 21031860) is 1, the average is 0.020833333333333.
Base conversion 21031860
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110101110110100 |
3 | Ternary | 1110120112021210 |
4 | Quaternary | 1100032232310 |
5 | Quinary | 20341004420 |
6 | Senary | 2030441420 |
8 | Octal | 120165664 |
10 | Decimal | 21031860 |
12 | Duodecimal | 7063270 |
16 | Hexadecimal | 140ebb4 |
20 | Vigesimal | 6b8jd0 |
36 | Base36 | cisac |
Cryptographic Hash Functions
md5 | 7ec7678f204058b6660fbec506ff9d7e |
---|---|
sha1 | 794db7555db292bda1c3b7f7fcc362aba7c189cd |
sha256 | f2863938f7c3e4d93fb82bed515f42e335560f547f693ddc62bf4404f9fb1848 |
sha512 | 60049b47a5ba9016e6762716b6220099f66253eb19d7bd9df1518e3d0d683216f3dc1a5d8f4261776d5b14418eb43f11ca46c8548695d0839d4c4a8e9d1725f1 |
ripemd-160 | e25a35fd586a9cfd61d527e4c1e88e73ff0092cb |
21031860 as geometric shapes
Circle
Radius = nDiameter | 42063720 |
---|---|
Circumference | 132147073.73466 |
Area | 1.3896493770985E+15 |
Sphere
Radius = nVolume | 3.8969214864297E+22 |
---|---|
Surface area | 5.558597508394E+15 |
Circumference | 132147073.73466 |
Square
Length = nPerimeter | 84127440 |
---|---|
Area | 442339135059600 |
Diagonal | 29743541.653932 |
Cube
Length = nSurface area | 2654034810357600 |
---|---|
Volume | 9.3032147610946E+21 |
Space diagonal | 36428250.097676 |
Equilateral Triangle
Length = nPerimeter | 63095580 |
---|---|
Area | 1.9153846402482E+14 |
Altitude | 18214125.048838 |
Triangular Pyramid
Length = nSurface area | 1.9153846402482E+14 |
---|---|
Volume | 1.0963943740675E+21 |
Height | 9914513.8846441 |