21090904 (number)

21090904 is an even 8-digits composite number following 21090903 and preceding 21090905. In scientific notation, it is written as 2.1090904 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 10436352 positive integers (up to 21090904) that are relatively prime to 21090904.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred four

Notation

Scientific notation 2.1090904 × 10^7
Engineering notation 2.1090904 × 10^6

Prime Factorization of 21090904

Prime Factorization 2 × 2 × 2 × 97 × 27179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5272726
Product of the distinct prime numbers

The prime factorization of 21090904 is 2 × 2 × 2 × 97 × 27179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 53, 72, 712, 876, 4138, 2430, 6231, 38858, 534500, 528104, 7681586, 544165, 32090283, 90650786, 757295467, 157732151, 3731718404, 9455123469

Basic calculations (n = 21090904)

Multiplication

n×y
n×2 42181808
n×3 63272712
n×4 84363616
n×5 105454520

Division

n÷y
n÷2 10545452
n÷3 7030301.3333333
n÷3 5272726
n÷5 4218180.8

Exponentiation

ny
n2 444826231537216
n3 9.3817873460332E+21
n4 1.978703762636E+29
n5 4.1732651102195E+36

Nth Root

y√n
2√n 4592.4834240311
3√n 276.28993546443
4√n 67.767864242804
5√n 29.162116391504

Divisors of 21090904

1, 2, 4, 8, 97, 194, 388, 776, 27179, 54358, 108716, 217432, 2636363, 5272726, 10545452, 21090904

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21090903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21090904 can be divided by 16 positive divisors. The sum of these divisors (counting 21090904) is 1, the average is 0.0625.

Base conversion 21090904

Base System Value
2 Binary 1010000011101001001011000
3 Ternary 1110200112021121
4 Quaternary 1100131021120
5 Quinary 20344402104
6 Senary 2032015024
8 Octal 120351130
10 Decimal 21090904
12 Duodecimal 7091474
16 Hexadecimal 141d258
20 Vigesimal 6bg754
36 Base36 ck1ug

Cryptographic Hash Functions

md5 8d5ba0ea9425d202d565223cb980ee33
sha1 985f09ab0d408f162298f90193bdfd8b77d0b261
sha256 050af95e809c2d9cb42d65a5b1d848a1c617cb382283ded1efa3f6251e47cc68
sha512 7e06aa547301bf0ef70a6f0b6e1ccbd8115071a680c37f54493fb8f11e965fa808d24d885997bb5a1f6c56fbb8ba4a2baaa7ea82dda5d413bd023a7f32e608a8
ripemd-160 f731bc88d9ddca578700817710e8b4ad338c64a8

21090904 as geometric shapes

Circle

Radius = n
Diameter 42181808
Circumference 132518058.12794
Area 1.3974628211214E+15

Sphere

Radius = n
Volume 3.9298338938453E+22
Surface area 5.5898512844854E+15
Circumference 132518058.12794

Square

Length = n
Perimeter 84363616
Area 444826231537216
Diagonal 29827042.479509

Cube

Length = n
Surface area 2668957389223296
Volume 9.3817873460332E+21
Space diagonal 36530517.305558

Equilateral Triangle

Length = n
Perimeter 63272712
Area 1.9261540839046E+14
Altitude 18265258.652779

Triangular Pyramid

Length = n
Surface area 1.9261540839046E+14
Volume 1.105654242005E+21
Height 9942347.4931697