21491710 (number)

21491710 is an even 8-digits composite number following 21491709 and preceding 21491711. In scientific notation, it is written as 2.1491710 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 8596680 positive integers (up to 21491710) that are relatively prime to 21491710.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand seven hundred ten

Notation

Scientific notation 2.1491710 × 10^7
Engineering notation 2.1491710 × 10^6

Prime Factorization of 21491710

Prime Factorization 2 × 5 × 2149171

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491710
Product of the distinct prime numbers

The prime factorization of 21491710 is 2 × 5 × 2149171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491710)

Multiplication

n×y
n×2 42983420
n×3 64475130
n×4 85966840
n×5 107458550

Division

n÷y
n÷2 10745855
n÷3 7163903.3333333
n÷3 5372927.5
n÷5 4298342

Exponentiation

ny
n2 461893598724100
n3 9.9268832746347E+21
n4 2.133456965423E+29
n5 4.5851638398351E+36

Nth Root

y√n
2√n 4635.9152278703
3√n 278.02914484912
4√n 68.087555602109
5√n 29.272121179085

Divisors of 21491710

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491709
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491710 can be divided by 8 positive divisors. The sum of these divisors (counting 21491710) is 1, the average is 0.125.

Base conversion 21491710

Base System Value
2 Binary 1010001111110111111111110
3 Ternary 1111102220002021
4 Quaternary 1101332333332
5 Quinary 21000213320
6 Senary 2044350354
8 Octal 121767776
10 Decimal 21491710
12 Duodecimal 72453ba
16 Hexadecimal 147effe
20 Vigesimal 6e695a
36 Base36 csn3y

Cryptographic Hash Functions

md5 30c496622d2bd16a4de1250d4fc50fa4
sha1 c12cd9d560da3b5b54b20bb6c2c96604e95cb453
sha256 a81d1129f92a63d50d8f31ded710d9906f9dc539e2b3cba25659ed31b823f5c6
sha512 9807b61003e47696f8373fd9ccca13750a56ba8b311685b40e33cc9e8df48ea87c786875e371f7543a451b31886e10872efa3b19d374638608aaf3f7e294009a
ripemd-160 d66c354715afa0b83e19fc918120fd5f09b1d35c

21491710 as geometric shapes

Circle

Radius = n
Diameter 42983420
Circumference 135036396.49816
Area 1.4510815364918E+15

Sphere

Radius = n
Volume 4.1581631424848E+22
Surface area 5.8043261459671E+15
Circumference 135036396.49816

Square

Length = n
Perimeter 85966840
Area 461893598724100
Diagonal 30393867.760589

Cube

Length = n
Surface area 2771361592344600
Volume 9.9268832746347E+21
Space diagonal 37224733.661536

Equilateral Triangle

Length = n
Perimeter 64475130
Area 2.0000579517024E+14
Altitude 18612366.830768

Triangular Pyramid

Length = n
Surface area 2.0000579517024E+14
Volume 1.1698944132569E+21
Height 10131289.25353