21152908 (number)

21152908 is an even 8-digits composite number following 21152907 and preceding 21152909. In scientific notation, it is written as 2.1152908 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 18 positive divisors. There are 9065448 positive integers (up to 21152908) that are relatively prime to 21152908.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand nine hundred eight

Notation

Scientific notation 2.1152908 × 10^7
Engineering notation 2.1152908 × 10^6

Prime Factorization of 21152908

Prime Factorization 2 × 2 × 7 × 7 × 107923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1510922
Product of the distinct prime numbers

The prime factorization of 21152908 is 2 × 2 × 7 × 7 × 107923. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 99, 91, 846, 274, 3729, 4713, 71958, 3330, 870398, 795769, 7540545, 2309502, 37388517, 49633985, 350886006, 826579175, 5777178497, 7139107150

Basic calculations (n = 21152908)

Multiplication

n×y
n×2 42305816
n×3 63458724
n×4 84611632
n×5 105764540

Division

n÷y
n÷2 10576454
n÷3 7050969.3333333
n÷3 5288227
n÷5 4230581.6

Exponentiation

ny
n2 447445516856464
n3 9.4647738530772E+21
n4 2.0020749055495E+29
n5 4.2349706286197E+36

Nth Root

y√n
2√n 4599.2290658327
3√n 276.5604204872
4√n 67.817616191021
5√n 29.179242687408

Divisors of 21152908

1, 2, 4, 7, 14, 28, 49, 98, 196, 107923, 215846, 431692, 755461, 1510922, 3021844, 5288227, 10576454, 21152908

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21152907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21152908 can be divided by 18 positive divisors. The sum of these divisors (counting 21152908) is 1, the average is 0.055555555555556.

Base conversion 21152908

Base System Value
2 Binary 1010000101100010010001100
3 Ternary 1110210200100001
4 Quaternary 1100230102030
5 Quinary 20403343113
6 Senary 2033214044
8 Octal 120542214
10 Decimal 21152908
12 Duodecimal 7101324
16 Hexadecimal 142c48c
20 Vigesimal 6c4258
36 Base36 cldos

Cryptographic Hash Functions

md5 bb7ea6d67e3d4069a11e0a54773571cc
sha1 2096d7ecbf80c53d0d894d9475a230476faba4aa
sha256 b2322ebf51ff60ec7be92e80a7017c5c31fa8aa43fd7eb1f9aa7ebdc0243a4bc
sha512 45607c51ec68f41cac5cc83a574fc101f7b6c1eb5928e30ee2829e3f4ffdeb13880a01ea37cdee2828d847bc57e013b9eaa4570138463b76a641af5c1b76d810
ripemd-160 0fd03d183b870fb89ebbaf821969744489712e77

21152908 as geometric shapes

Circle

Radius = n
Diameter 42305816
Circumference 132907640.74972
Area 1.405691548638E+15

Sphere

Radius = n
Volume 3.9645952006288E+22
Surface area 5.6227661945518E+15
Circumference 132907640.74972

Square

Length = n
Perimeter 84611632
Area 447445516856464
Diagonal 29914729.37723

Cube

Length = n
Surface area 2684673101138784
Volume 9.4647738530772E+21
Space diagonal 36637911.38383

Equilateral Triangle

Length = n
Perimeter 63458724
Area 1.9374959220358E+14
Altitude 18318955.691915

Triangular Pyramid

Length = n
Surface area 1.9374959220358E+14
Volume 1.1154342956513E+21
Height 9971576.4590768