20156909 (number)

20156909 is an odd 8-digits composite number following 20156908 and preceding 20156910. In scientific notation, it is written as 2.0156909 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20016216 positive integers (up to 20156909) that are relatively prime to 20156909.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-six thousand nine hundred nine

Notation

Scientific notation 2.0156909 × 10^7
Engineering notation 2.0156909 × 10^6

Prime Factorization of 20156909

Prime Factorization 101291 × 199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20156909
Product of the distinct prime numbers

The prime factorization of 20156909 is 101291 × 199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20156909)

Multiplication

n×y
n×2 40313818
n×3 60470727
n×4 80627636
n×5 100784545

Division

n÷y
n÷2 10078454.5
n÷3 6718969.6666667
n÷3 5039227.25
n÷5 4031381.8

Exponentiation

ny
n2 406300980434281
n3 8.1897718892246E+21
n4 1.6508048670186E+29
n5 3.3275123481251E+36

Nth Root

y√n
2√n 4489.644640726
3√n 272.14977423887
4√n 67.004810578988
5√n 28.899131223614

Divisors of 20156909

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 -20156908
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 20156909 can be divided by 4 positive divisors. The sum of these divisors (counting 20156909) is 1, the average is 0.25.

Base conversion 20156909

Base System Value
2 Binary 1001100111001000111101101
3 Ternary 1101221002002012
4 Quaternary 1030321013231
5 Quinary 20130010114
6 Senary 2000011005
8 Octal 114710755
10 Decimal 20156909
12 Duodecimal 6900a65
16 Hexadecimal 13391ed
20 Vigesimal 65jc59
36 Base36 c0165

Cryptographic Hash Functions

md5 339861731e5f4b7cb336bac7bd2a1607
sha1 2b74c74656f13e3399e4a16bcebd7f0ce718e308
sha256 16f247e0d5dcb0bb979d8fc3ab1f5491700228262d90b77cf334422eaa1cd59f
sha512 6eaa62ee3b77249781b86f01c6767c1979dd4d8065db807ec4889dbb531307bafbe703cba5227552734239336b2d05169fa95bc425230ef813dfa4c198508ade
ripemd-160 0fe1d91ba4ba398ba6b3e1fb9b4c1913d8d19fac

20156909 as geometric shapes

Circle

Radius = n
Diameter 40313818
Circumference 126649594.46696
Area 1.2764321752787E+15

Sphere

Radius = n
Volume 3.4305236269019E+22
Surface area 5.1057287011147E+15
Circumference 126649594.46696

Square

Length = n
Perimeter 80627636
Area 406300980434281
Diagonal 28506174.08332

Cube

Length = n
Surface area 2437805882605686
Volume 8.1897718892246E+21
Space diagonal 34912790.511542

Equilateral Triangle

Length = n
Perimeter 60470727
Area 1.7593348531931E+14
Altitude 17456395.255771

Triangular Pyramid

Length = n
Surface area 1.7593348531931E+14
Volume 9.6517387320694E+20
Height 9502058.0277734