20157481 (number)

20157481 is an odd 8-digits composite number following 20157480 and preceding 20157482. In scientific notation, it is written as 2.0157481 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20073600 positive integers (up to 20157481) that are relatively prime to 20157481.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand four hundred eighty-one

Notation

Scientific notation 2.0157481 × 10^7
Engineering notation 2.0157481 × 10^6

Prime Factorization of 20157481

Prime Factorization 241 × 83641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157481
Product of the distinct prime numbers

The prime factorization of 20157481 is 241 × 83641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157481)

Multiplication

n×y
n×2 40314962
n×3 60472443
n×4 80629924
n×5 100787405

Division

n÷y
n÷2 10078740.5
n÷3 6719160.3333333
n÷3 5039370.25
n÷5 4031496.2

Exponentiation

ny
n2 406324040265361
n3 8.1904691214922E+21
n4 1.6509922569757E+29
n5 3.3279845051134E+36

Nth Root

y√n
2√n 4489.7083424205
3√n 272.1523485125
4√n 67.005285928951
5√n 28.899295238002

Divisors of 20157481

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157481 can be divided by 4 positive divisors. The sum of these divisors (counting 20157481) is 1, the average is 0.25.

Base conversion 20157481

Base System Value
2 Binary 1001100111001010000101001
3 Ternary 1101221002212101
4 Quaternary 1030321100221
5 Quinary 20130014411
6 Senary 2000013401
8 Octal 114712051
10 Decimal 20157481
12 Duodecimal 6901261
16 Hexadecimal 1339429
20 Vigesimal 65jde1
36 Base36 c01m1

Cryptographic Hash Functions

md5 a969d61951c3072db9fbd4891ddb237b
sha1 74c75601d37383b9a8bb8ec7f3e10e66adae0bca
sha256 4b05e6dd85c38f1d37ba675d58231485fe0afcd09a8329930594e2d468a0c6a0
sha512 7113cd45cc8e85ebb012527884e64574099808c4efc2c72760e25ab918136d4da92e4c467b5718d857a4ab8be21151231d2907b64b31f9556d2c0ca17b59e6cb
ripemd-160 799354e7c9731241e7b7f6cc6668df72ff224bca

20157481 as geometric shapes

Circle

Radius = n
Diameter 40314962
Circumference 126653188.44895
Area 1.2765046198746E+15

Sphere

Radius = n
Volume 3.4308156828712E+22
Surface area 5.1060184794983E+15
Circumference 126653188.44895

Square

Length = n
Perimeter 80629924
Area 406324040265361
Diagonal 28506983.013478

Cube

Length = n
Surface area 2437944241592166
Volume 8.1904691214922E+21
Space diagonal 34913781.244604

Equilateral Triangle

Length = n
Perimeter 60472443
Area 1.7594347051907E+14
Altitude 17456890.622302

Triangular Pyramid

Length = n
Surface area 1.7594347051907E+14
Volume 9.652560428177E+20
Height 9502327.6711593