21097813 (number)

21097813 is an odd 8-digits composite number following 21097812 and preceding 21097814. In scientific notation, it is written as 2.1097813 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19128000 positive integers (up to 21097813) that are relatively prime to 21097813.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-seven thousand eight hundred thirteen

Notation

Scientific notation 2.1097813 × 10^7
Engineering notation 2.1097813 × 10^6

Prime Factorization of 21097813

Prime Factorization 11 × 401 × 4783

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21097813
Product of the distinct prime numbers

The prime factorization of 21097813 is 11 × 401 × 4783. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21097813)

Multiplication

n×y
n×2 42195626
n×3 63293439
n×4 84391252
n×5 105489065

Division

n÷y
n÷2 10548906.5
n÷3 7032604.3333333
n÷3 5274453.25
n÷5 4219562.6

Exponentiation

ny
n2 445117713382969
n3 9.3910102799415E+21
n4 1.9812977876728E+29
n5 4.1801050221635E+36

Nth Root

y√n
2√n 4593.2355698353
3√n 276.32010137171
4√n 67.773413443881
5√n 29.164026737943

Divisors of 21097813

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 -21097812
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 21097813 can be divided by 8 positive divisors. The sum of these divisors (counting 21097813) is 1, the average is 0.125.

Base conversion 21097813

Base System Value
2 Binary 1010000011110110101010101
3 Ternary 1110200212202111
4 Quaternary 1100132311111
5 Quinary 20400112223
6 Senary 2032111021
8 Octal 120366525
10 Decimal 21097813
12 Duodecimal 7095471
16 Hexadecimal 141ed55
20 Vigesimal 6bh4ad
36 Base36 ck76d

Cryptographic Hash Functions

md5 a79c97f01c19951a0aa8e09a95c8913b
sha1 7caa331cfdfe8b66d213e796d3fe6d8d7773ae9d
sha256 f4cdcb6afcd96b1e93a72704e2fc119b68bf1a9b7c00ad42695d6c51d061c94f
sha512 c262b45a1e3adec2efd81f21ce46baca1db30a56cb31c63436b98e91d761f4d4b76ab845b7b5b13e3307afeee1e515d8194d5d3c3232e0cc07e916e7da63d321
ripemd-160 134ffeae76cdd78f14bab3c2375149bf3efb4b54

21097813 as geometric shapes

Circle

Radius = n
Diameter 42195626
Circumference 132561468.65522
Area 1.3983785383466E+15

Sphere

Radius = n
Volume 3.9336971873667E+22
Surface area 5.5935141533865E+15
Circumference 132561468.65522

Square

Length = n
Perimeter 84391252
Area 445117713382969
Diagonal 29836813.281011

Cube

Length = n
Surface area 2670706280297814
Volume 9.3910102799415E+21
Space diagonal 36542484.044587

Equilateral Triangle

Length = n
Perimeter 63293439
Area 1.9274162373205E+14
Altitude 18271242.022294

Triangular Pyramid

Length = n
Surface area 1.9274162373205E+14
Volume 1.1067411751899E+21
Height 9945604.4270038