20161791 (number)

20161791 is an odd 8-digits composite number following 20161790 and preceding 20161792. In scientific notation, it is written as 2.0161791 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 12078720 positive integers (up to 20161791) that are relatively prime to 20161791.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand seven hundred ninety-one

Notation

Scientific notation 2.0161791 × 10^7
Engineering notation 2.0161791 × 10^6

Prime Factorization of 20161791

Prime Factorization 9 × 9 × 13 × 41 × 467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2240199
Product of the distinct prime numbers

The prime factorization of 20161791 is 9 × 9 × 13 × 41 × 467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161791)

Multiplication

n×y
n×2 40323582
n×3 60485373
n×4 80647164
n×5 100808955

Division

n÷y
n÷2 10080895.5
n÷3 6720597
n÷3 5040447.75
n÷5 4032358.2

Exponentiation

ny
n2 406497816327681
n3 8.1957240147551E+21
n4 1.6524047467917E+29
n5 3.3315439152223E+36

Nth Root

y√n
2√n 4490.1883034011
3√n 272.17174400859
4√n 67.008867349039
5√n 28.900530960968

Divisors of 20161791

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20161790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20161791 can be divided by 24 positive divisors. The sum of these divisors (counting 20161791) is 1, the average is 0.041666666666667.

Base conversion 20161791

Base System Value
2 Binary 1001100111010010011111111
3 Ternary 1101221022210000
4 Quaternary 1030322103333
5 Quinary 20130134131
6 Senary 2000045343
8 Octal 114722377
10 Decimal 20161791
12 Duodecimal 6903853
16 Hexadecimal 133a4ff
20 Vigesimal 66049b
36 Base36 c04xr

Cryptographic Hash Functions

md5 3284daa24d0cfbb2ba0b5fc68d77eae8
sha1 5cba81646a30576f9f64f7376b5058bea97a97f7
sha256 1a6b04e659cc36c9d43c942d4c1510fb72b4ce5565986d5cbcbcb5df9fc0e757
sha512 1e6ae295b602f3e111554db57633b941775707b6fc436301b49831f2e5729b5c301882ff680faaa3978e22c5eca25700373e0273cdfc5a6da6a33beeee4ea854
ripemd-160 ebec82d31d40266c798ba5d1de494b0fd9c91b2e

20161791 as geometric shapes

Circle

Radius = n
Diameter 40323582
Circumference 126680268.97763
Area 1.2770505534753E+15

Sphere

Radius = n
Volume 3.4330168474139E+22
Surface area 5.1082022139013E+15
Circumference 126680268.97763

Square

Length = n
Perimeter 80647164
Area 406497816327681
Diagonal 28513078.273932

Cube

Length = n
Surface area 2438986897966086
Volume 8.1957240147551E+21
Space diagonal 34921246.383585

Equilateral Triangle

Length = n
Perimeter 60485373
Area 1.7601871776134E+14
Altitude 17460623.191792

Triangular Pyramid

Length = n
Surface area 1.7601871776134E+14
Volume 9.6587533792779E+20
Height 9504359.4246439