20138747 (number)

20138747 is an odd 8-digits composite number following 20138746 and preceding 20138748. In scientific notation, it is written as 2.0138747 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 19313280 positive integers (up to 20138747) that are relatively prime to 20138747.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand seven hundred forty-seven

Notation

Scientific notation 2.0138747 × 10^7
Engineering notation 2.0138747 × 10^6

Prime Factorization of 20138747

Prime Factorization 31 × 113 × 5749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138747
Product of the distinct prime numbers

The prime factorization of 20138747 is 31 × 113 × 5749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138747)

Multiplication

n×y
n×2 40277494
n×3 60416241
n×4 80554988
n×5 100693735

Division

n÷y
n÷2 10069373.5
n÷3 6712915.6666667
n÷3 5034686.75
n÷5 4027749.4

Exponentiation

ny
n2 405569130730009
n3 8.1676541147816E+21
n4 1.644863198011E+29
n5 3.3125483794353E+36

Nth Root

y√n
2√n 4487.6215303878
3√n 272.06801121529
4√n 66.989712123488
5√n 28.893921542985

Divisors of 20138747

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 -20138746
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 20138747 can be divided by 8 positive divisors. The sum of these divisors (counting 20138747) is 1, the average is 0.125.

Base conversion 20138747

Base System Value
2 Binary 1001100110100101011111011
3 Ternary 1101220011011112
4 Quaternary 1030310223323
5 Quinary 20123414442
6 Senary 1555350535
8 Octal 114645373
10 Decimal 20138747
12 Duodecimal 68b244b
16 Hexadecimal 1334afb
20 Vigesimal 65h6h7
36 Base36 bzn5n

Cryptographic Hash Functions

md5 e8aa2d9038f4ab869523f5b47743f81c
sha1 3da418812188c807c17b665f6ca83bd777114f90
sha256 26b8d6d6eccd96e7281eae53eff43924fe3c805c2da164072ba32f39cc8a9011
sha512 488fbf97319e56d2514e5d5e4606fb1733bb805d7b57da12c76358a576a28935827f7668837f817415d338234f371e87628c785e78d9a54f2b3cfd913a15855f
ripemd-160 577f615e0aa91f539278c828840a780403b3383b

20138747 as geometric shapes

Circle

Radius = n
Diameter 40277494
Circumference 126535479.25541
Area 1.2741330016242E+15

Sphere

Radius = n
Volume 3.421258955208E+22
Surface area 5.0965320064968E+15
Circumference 126535479.25541

Square

Length = n
Perimeter 80554988
Area 405569130730009
Diagonal 28480489.1366

Cube

Length = n
Surface area 2433414784380054
Volume 8.1676541147816E+21
Space diagonal 34881333.004775

Equilateral Triangle

Length = n
Perimeter 60416241
Area 1.7561658510148E+14
Altitude 17440666.502388

Triangular Pyramid

Length = n
Surface area 1.7561658510148E+14
Volume 9.6256726849138E+20
Height 9493496.3788668