21054908 (number)
21054908 is an even 8-digits composite number following 21054907 and preceding 21054909. In scientific notation, it is written as 2.1054908 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 48 positive divisors. There are 8279040 positive integers (up to 21054908) that are relatively prime to 21054908.
Interesting facts
- 21054908 has 48 divisors, whose sum is 40824000
- The reverse of 21054908 is 80945012
- Previous prime number is 49
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 29
- Digital Root 2
Name
Name | twenty-one million fifty-four thousand nine hundred eight |
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Notation
Scientific notation | 2.1054908 × 10^7 |
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Engineering notation | 2.1054908 × 10^6 |
Prime Factorization of 21054908
Prime Factorization 2 × 2 × 17 × 71 × 49 × 89
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10527454 | Product of the distinct prime numbers |
The prime factorization of 21054908 is 2 × 2 × 17 × 71 × 49 × 89. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21054908)
Multiplication
n×yn×2 | 42109816 |
---|---|
n×3 | 63164724 |
n×4 | 84219632 |
n×5 | 105274540 |
Division
n÷yn÷2 | 10527454 |
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n÷3 | 7018302.6666667 |
n÷3 | 5263727 |
n÷5 | 4210981.6 |
Exponentiation
nyn2 | 443309150888464 |
---|---|
n3 | 9.3338333875147E+21 |
n4 | 1.9652300326145E+29 |
n5 | 4.1377737535535E+36 |
Nth Root
y√n2√n | 4588.5627379388 |
---|---|
3√n | 276.13266394094 |
4√n | 67.738930741035 |
5√n | 29.152155349512 |
Divisors of 21054908
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 | -21054907 | 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 21054908 can be divided by 48 positive divisors. The sum of these divisors (counting 21054908) is 1, the average is 0.020833333333333.
Base conversion 21054908
Base | System | Value |
---|---|---|
2 | Binary | 1010000010100010110111100 |
3 | Ternary | 1110121200220102 |
4 | Quaternary | 1100110112330 |
5 | Quinary | 20342224113 |
6 | Senary | 2031140232 |
8 | Octal | 120242674 |
10 | Decimal | 21054908 |
12 | Duodecimal | 7074678 |
16 | Hexadecimal | 14145bc |
20 | Vigesimal | 6bbh58 |
36 | Base36 | cja2k |
Cryptographic Hash Functions
md5 | d43c0ebd7dd318afdf2a9de5c816ecf0 |
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sha1 | 1b953abd697b24603f2119dc1f08e4bcae2774ff |
sha256 | 3ab8fb3d87cb5aecefeeedcd0ca2948af2e6670c4bc225a9321cfe4f4d9dbcab |
sha512 | 2ade2c773b9df29f3266a9bbc1c953f9a2fb9009b2ce95b1456ff7a30a9d008fadacc7dc9f6165bbf94cfce46a9e90c10653be3ab58807cb339218cfe9863dc8 |
ripemd-160 | 5d31fb42367790332dbf3bc7cd5cc2ca4f45e24f |
21054908 as geometric shapes
Circle
Radius = nDiameter | 42109816 |
---|---|
Circumference | 132291888.58962 |
Area | 1.3926967717003E+15 |
Sphere
Radius = nVolume | 3.909746986673E+22 |
---|---|
Surface area | 5.5707870868013E+15 |
Circumference | 132291888.58962 |
Square
Length = nPerimeter | 84219632 |
---|---|
Area | 443309150888464 |
Diagonal | 29776136.448118 |
Cube
Length = nSurface area | 2659854905330784 |
---|---|
Volume | 9.3338333875147E+21 |
Space diagonal | 36468170.404688 |
Equilateral Triangle
Length = nPerimeter | 63164724 |
---|---|
Area | 1.9195849319976E+14 |
Altitude | 18234085.202344 |
Triangular Pyramid
Length = nSurface area | 1.9195849319976E+14 |
---|---|
Volume | 1.1000028137962E+21 |
Height | 9925378.8160393 |