21161946 (number)

21161946 is an even 8-digits composite number following 21161945 and preceding 21161947. In scientific notation, it is written as 2.1161946 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6387264 positive integers (up to 21161946) that are relatively prime to 21161946.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred sixty-one thousand nine hundred forty-six

Notation

Scientific notation 2.1161946 × 10^7
Engineering notation 2.1161946 × 10^6

Prime Factorization of 21161946

Prime Factorization 2 × 3 × 13 × 53 × 5119

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21161946
Product of the distinct prime numbers

The prime factorization of 21161946 is 2 × 3 × 13 × 53 × 5119. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21161946)

Multiplication

n×y
n×2 42323892
n×3 63485838
n×4 84647784
n×5 105809730

Division

n÷y
n÷2 10580973
n÷3 7053982
n÷3 5290486.5
n÷5 4232389.2

Exponentiation

ny
n2 447827958506916
n3 9.4769110752136E+21
n4 2.0054988042047E+29
n5 4.2440257397645E+36

Nth Root

y√n
2√n 4600.2115168762
3√n 276.59980352254
4√n 67.824859136427
5√n 29.181735743538

Divisors of 21161946

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21161945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21161946 can be divided by 32 positive divisors. The sum of these divisors (counting 21161946) is 1, the average is 0.03125.

Base conversion 21161946

Base System Value
2 Binary 1010000101110011111011010
3 Ternary 1110211010201210
4 Quaternary 1100232133122
5 Quinary 20404140241
6 Senary 2033323550
8 Octal 120563732
10 Decimal 21161946
12 Duodecimal 71065b6
16 Hexadecimal 142e7da
20 Vigesimal 6c54h6
36 Base36 clknu

Cryptographic Hash Functions

md5 b620d0d9262e69471e6b19a24e4956a0
sha1 8e7d2a696526b70d7aebd4c58ed514b9b17cbd4b
sha256 81e29db297a59444fb59896cf85745123f4ca3359b5709319a9407b25f13d78e
sha512 e39cfa6462d267780963e4232b9eec2f09666ad2ec8f55c95757275c1af908ce793c4391c47af4ba21ca5453bd7cbb5bdc9f0c2506670fa712d07696fd1b8d17
ripemd-160 1e6a6f0d61e70962674018af1d0777fdec38b615

21161946 as geometric shapes

Circle

Radius = n
Diameter 42323892
Circumference 132964428.17853
Area 1.4068930245174E+15

Sphere

Radius = n
Volume 3.9696792283486E+22
Surface area 5.6275720980698E+15
Circumference 132964428.17853

Square

Length = n
Perimeter 84647784
Area 447827958506916
Diagonal 29927511.039407

Cube

Length = n
Surface area 2686967751041496
Volume 9.4769110752136E+21
Space diagonal 36653565.659029

Equilateral Triangle

Length = n
Perimeter 63485838
Area 1.9391519429596E+14
Altitude 18326782.829514

Triangular Pyramid

Length = n
Surface area 1.9391519429596E+14
Volume 1.1168646809976E+21
Height 9975837.0131357