20161421 (number)

20161421 is an odd 8-digits composite number following 20161420 and preceding 20161422. In scientific notation, it is written as 2.0161421 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 16987968 positive integers (up to 20161421) that are relatively prime to 20161421.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 2.0161421 × 10^7
Engineering notation 2.0161421 × 10^6

Prime Factorization of 20161421

Prime Factorization 7 × 59 × 48817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20161421
Product of the distinct prime numbers

The prime factorization of 20161421 is 7 × 59 × 48817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161421)

Multiplication

n×y
n×2 40322842
n×3 60484263
n×4 80645684
n×5 100807105

Division

n÷y
n÷2 10080710.5
n÷3 6720473.6666667
n÷3 5040355.25
n÷5 4032284.2

Exponentiation

ny
n2 406482896739241
n3 8.1952728104594E+21
n4 1.6522834534152E+29
n5 3.3312382315639E+36

Nth Root

y√n
2√n 4490.1471022674
3√n 272.17007907447
4√n 67.008559917874
5√n 28.900424886314

Divisors of 20161421

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 -20161420
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 20161421 can be divided by 8 positive divisors. The sum of these divisors (counting 20161421) is 1, the average is 0.125.

Base conversion 20161421

Base System Value
2 Binary 1001100111010001110001101
3 Ternary 1101221022021022
4 Quaternary 1030322032031
5 Quinary 20130131141
6 Senary 2000043525
8 Octal 114721615
10 Decimal 20161421
12 Duodecimal 69035a5
16 Hexadecimal 133a38d
20 Vigesimal 6603b1
36 Base36 c04nh

Cryptographic Hash Functions

md5 3273542915cc1d800eb0dc12f135e3a1
sha1 79c5c07c57ebaf86996c4deeae40d9b4e499bd38
sha256 2e6ca6174707b13d76be8f3b04d85a56131943d389b770edde5dd52fbfc557e1
sha512 e4cfcd7bf88edd04a53abedfb8bb32c274256b3e7783ce6ed458792ac98eb07b1bf71b5d75028db1df8ce7f1fc129da1b3dc719f4af39939b63f8734c4aa807e
ripemd-160 84c1344a33677cbd9ca585ff8722151995982a27

20161421 as geometric shapes

Circle

Radius = n
Diameter 40322842
Circumference 126677944.19906
Area 1.2770036822059E+15

Sphere

Radius = n
Volume 3.4328278474004E+22
Surface area 5.1080147288236E+15
Circumference 126677944.19906

Square

Length = n
Perimeter 80645684
Area 406482896739241
Diagonal 28512555.014914

Cube

Length = n
Surface area 2438897380435446
Volume 8.1952728104594E+21
Space diagonal 34920605.524786

Equilateral Triangle

Length = n
Perimeter 60484263
Area 1.7601225739003E+14
Altitude 17460302.762393

Triangular Pyramid

Length = n
Surface area 1.7601225739003E+14
Volume 9.6582216299159E+20
Height 9504185.0049712