20158642 (number)

20158642 is an even 8-digits composite number following 20158641 and preceding 20158643. In scientific notation, it is written as 2.0158642 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8639412 positive integers (up to 20158642) that are relatively prime to 20158642.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-eight thousand six hundred forty-two

Notation

Scientific notation 2.0158642 × 10^7
Engineering notation 2.0158642 × 10^6

Prime Factorization of 20158642

Prime Factorization 2 × 7 × 1439903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20158642
Product of the distinct prime numbers

The prime factorization of 20158642 is 2 × 7 × 1439903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20158642)

Multiplication

n×y
n×2 40317284
n×3 60475926
n×4 80634568
n×5 100793210

Division

n÷y
n÷2 10079321
n÷3 6719547.3333333
n÷3 5039660.5
n÷5 4031728.4

Exponentiation

ny
n2 406370847284164
n3 8.1918844296381E+21
n4 1.6513726552245E+29
n5 3.328943016526E+36

Nth Root

y√n
2√n 4489.8376362626
3√n 272.15757341818
4√n 67.006250725306
5√n 28.899628129883

Divisors of 20158642

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 -20158641
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 20158642 can be divided by 8 positive divisors. The sum of these divisors (counting 20158642) is 1, the average is 0.125.

Base conversion 20158642

Base System Value
2 Binary 1001100111001100010110010
3 Ternary 1101221011110101
4 Quaternary 1030321202302
5 Quinary 20130034032
6 Senary 2000023014
8 Octal 114714262
10 Decimal 20158642
12 Duodecimal 6901a6a
16 Hexadecimal 13398b2
20 Vigesimal 65jgc2
36 Base36 c02ia

Cryptographic Hash Functions

md5 490f105d43810b4ba340b26ad4a788f6
sha1 2e24013bedcbce5b9ee94a159492a0cb97fd8211
sha256 3811a3358f3548f394ccbb96dfe8de077e5e1f601605e2997ac63f89fa55fbbf
sha512 22fa2addd8bb0288f015f16005f5e13e232eb2dab523cf245c17f40a10a685e5743ef317a3b32bb6a3466197e485a0cdf10fd8f4e4fccc5b650f91efc53970d4
ripemd-160 4f7fd422ca0c25416f3f9eb0465e32e5251242dd

20158642 as geometric shapes

Circle

Radius = n
Diameter 40317284
Circumference 126660483.22709
Area 1.276651668461E+15

Sphere

Radius = n
Volume 3.431408525761E+22
Surface area 5.106606673844E+15
Circumference 126660483.22709

Square

Length = n
Perimeter 80634568
Area 406370847284164
Diagonal 28508624.915424

Cube

Length = n
Surface area 2438225083704984
Volume 8.1918844296381E+21
Space diagonal 34915792.155592

Equilateral Triangle

Length = n
Perimeter 60475926
Area 1.7596373855275E+14
Altitude 17457896.077796

Triangular Pyramid

Length = n
Surface area 1.7596373855275E+14
Volume 9.6542283848227E+20
Height 9502874.971808