20178021 (number)

20178021 is an odd 8-digits composite number following 20178020 and preceding 20178022. In scientific notation, it is written as 2.0178021 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13441392 positive integers (up to 20178021) that are relatively prime to 20178021.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-eight thousand twenty-one

Notation

Scientific notation 2.0178021 × 10^7
Engineering notation 2.0178021 × 10^6

Prime Factorization of 20178021

Prime Factorization 3 × 2083 × 3229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20178021
Product of the distinct prime numbers

The prime factorization of 20178021 is 3 × 2083 × 3229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20178021)

Multiplication

n×y
n×2 40356042
n×3 60534063
n×4 80712084
n×5 100890105

Division

n÷y
n÷2 10089010.5
n÷3 6726007
n÷3 5044505.25
n÷5 4035604.2

Exponentiation

ny
n2 407152531476441
n3 8.2155323303348E+21
n4 1.6577318388767E+29
n5 3.3449747857224E+36

Nth Root

y√n
2√n 4491.9952137107
3√n 272.24475608427
4√n 67.022348613807
5√n 28.905182379651

Divisors of 20178021

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 -20178020
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 20178021 can be divided by 8 positive divisors. The sum of these divisors (counting 20178021) is 1, the average is 0.125.

Base conversion 20178021

Base System Value
2 Binary 1001100111110010001100101
3 Ternary 1101222011001010
4 Quaternary 1030332101211
5 Quinary 20131144041
6 Senary 2000252433
8 Octal 114762145
10 Decimal 20178021
12 Duodecimal 6911119
16 Hexadecimal 133e465
20 Vigesimal 662511
36 Base36 c0hgl

Cryptographic Hash Functions

md5 5b7a6433097f3f0a953d17cfad94a0e0
sha1 cf2c87e2bf73103f39ccc6e709d21e7cef2d5579
sha256 6a9832491053fb06af233d37a49eab0bdd96dac8bd89138f705e36ef6aad25ab
sha512 91928eda90b8703bab8faff42424c538868fca8c8f167e14611bb6c2b676a2c429522b9df035a953c6db5d9b6e812f0e469bab9946ed9c4abd9fcd48b4fe62ff
ripemd-160 0a81e9a91488181822522ecf0541b2d255e1d69e

20178021 as geometric shapes

Circle

Radius = n
Diameter 40356042
Circumference 126782245.07516
Area 1.2791074017769E+15

Sphere

Radius = n
Volume 3.4413141352412E+22
Surface area 5.1164296071075E+15
Circumference 126782245.07516

Square

Length = n
Perimeter 80712084
Area 407152531476441
Diagonal 28536030.960049

Cube

Length = n
Surface area 2442915188858646
Volume 8.2155323303348E+21
Space diagonal 34949357.568192

Equilateral Triangle

Length = n
Perimeter 60534063
Area 1.7630221773687E+14
Altitude 17474678.784096

Triangular Pyramid

Length = n
Surface area 1.7630221773687E+14
Volume 9.6820977030617E+20
Height 9512010.3200164