21091008 (number)

21091008 is an even 8-digits composite number following 21091007 and preceding 21091009. In scientific notation, it is written as 2.1091008 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 28 positive divisors. There are 7030272 positive integers (up to 21091008) that are relatively prime to 21091008.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand eight

Notation

Scientific notation 2.1091008 × 10^7
Engineering notation 2.1091008 × 10^6

Prime Factorization of 21091008

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 659094
Product of the distinct prime numbers

The prime factorization of 21091008 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109849. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 9, 26, 25, 154, 871, 962, 2430, 48378, 32011, 908630, 749576, 7291609, 8386766, 29228675, 86007229, 515314035, 423300923, 2738704128, 6134996300

Basic calculations (n = 21091008)

Multiplication

n×y
n×2 42182016
n×3 63273024
n×4 84364032
n×5 105455040

Division

n÷y
n÷2 10545504
n÷3 7030336
n÷3 5272752
n÷5 4218201.6

Exponentiation

ny
n2 444830618456064
n3 9.3819261325018E+21
n4 1.97874279116E+29
n5 4.1733680038299E+36

Nth Root

y√n
2√n 4592.4947468669
3√n 276.29038959553
4√n 67.767947784088
5√n 29.162145151335

Divisors of 21091008

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 109849, 219698, 329547, 439396, 659094, 878792, 1318188, 1757584, 2636376, 3515168, 5272752, 7030336, 10545504, 21091008

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091008 can be divided by 28 positive divisors. The sum of these divisors (counting 21091008) is 1, the average is 0.035714285714286.

Base conversion 21091008

Base System Value
2 Binary 1010000011101001011000000
3 Ternary 1110200112102110
4 Quaternary 1100131023000
5 Quinary 20344403013
6 Senary 2032015320
8 Octal 120351300
10 Decimal 21091008
12 Duodecimal 7091540
16 Hexadecimal 141d2c0
20 Vigesimal 6bg7a8
36 Base36 ck1xc

Cryptographic Hash Functions

md5 ad0a63fcaca1c6114e40fc7b0d7c8fe7
sha1 e7285bc10a73d37ad75d1b6d340b44ff4fe4ebf7
sha256 3bed1e32f4a1c646d20a39ba2c13cc5526071067d9b59ba579c19867f7023e50
sha512 a62345574e19ef0e75a1d05dd15e88ca347052ab49b15460c8386e5ce2ce6ba665ad01a3f493ca3e11e4751af2d6b4b974d092aa4a5c83d383eef0d7e2c29a68
ripemd-160 5266bfccf3f66df355ac4cf276581b72b74b55ab

21091008 as geometric shapes

Circle

Radius = n
Diameter 42182016
Circumference 132518711.57921
Area 1.3974766030334E+15

Sphere

Radius = n
Volume 3.9298920285853E+22
Surface area 5.5899064121335E+15
Circumference 132518711.57921

Square

Length = n
Perimeter 84364032
Area 444830618456064
Diagonal 29827189.557719

Cube

Length = n
Surface area 2668983710736384
Volume 9.3819261325018E+21
Space diagonal 36530697.438842

Equilateral Triangle

Length = n
Perimeter 63273024
Area 1.9261730798205E+14
Altitude 18265348.719421

Triangular Pyramid

Length = n
Surface area 1.9261730798205E+14
Volume 1.1056705981472E+21
Height 9942396.5192398