21057908 (number)

21057908 is an even 8-digits composite number following 21057907 and preceding 21057909. In scientific notation, it is written as 2.1057908 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 10528952 positive integers (up to 21057908) that are relatively prime to 21057908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1057908 × 10^7
Engineering notation 2.1057908 × 10^6

Prime Factorization of 21057908

Prime Factorization 2 × 2 × 5264477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10528954
Product of the distinct prime numbers

The prime factorization of 21057908 is 2 × 2 × 5264477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21057908)

Multiplication

n×y
n×2 42115816
n×3 63173724
n×4 84231632
n×5 105289540

Division

n÷y
n÷2 10528954
n÷3 7019302.6666667
n÷3 5264477
n÷5 4211581.6

Exponentiation

ny
n2 443435489336464
n3 9.3378237383822E+21
n4 1.9663503320307E+29
n5 4.1407224387672E+36

Nth Root

y√n
2√n 4588.8896260424
3√n 276.14577820153
4√n 67.741343550615
5√n 29.152986048768

Divisors of 21057908

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21057907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21057908 can be divided by 6 positive divisors. The sum of these divisors (counting 21057908) is 1, the average is 0.16666666666667.

Base conversion 21057908

Base System Value
2 Binary 1010000010101000101110100
3 Ternary 1110121212000112
4 Quaternary 1100111011310
5 Quinary 20342323113
6 Senary 2031202152
8 Octal 120250564
10 Decimal 21057908
12 Duodecimal 7076358
16 Hexadecimal 1415174
20 Vigesimal 6bc4f8
36 Base36 cjcdw

Cryptographic Hash Functions

md5 201c7149a4ece8a52c6d18c4f154a274
sha1 d03b2c99b394af24cc3cd6bd0860518d734b0af2
sha256 c713d52d2aa9df11bce2f66a69a96edb5ac6a75f3190b97d737512588d329b61
sha512 07b6747f13009d308df04b1835723a94739c8ea99e00a5223429aa593670c6363591106e24bba704f742a78d43af8eca44f519b7cf3a54f359cf398d6976a8b2
ripemd-160 3f03949dc5c307bbd6a40c989ef7d8d0e545be5a

21057908 as geometric shapes

Circle

Radius = n
Diameter 42115816
Circumference 132310738.14554
Area 1.3930936756404E+15

Sphere

Radius = n
Volume 3.9114184609357E+22
Surface area 5.5723747025617E+15
Circumference 132310738.14554

Square

Length = n
Perimeter 84231632
Area 443435489336464
Diagonal 29780379.088805

Cube

Length = n
Surface area 2660612936018784
Volume 9.3378237383822E+21
Space diagonal 36473366.557111

Equilateral Triangle

Length = n
Perimeter 63173724
Area 1.9201319935248E+14
Altitude 18236683.278556

Triangular Pyramid

Length = n
Surface area 1.9201319935248E+14
Volume 1.1004730811558E+21
Height 9926793.0296016