20172872 (number)

20172872 is an even 8-digits composite number following 20172871 and preceding 20172873. In scientific notation, it is written as 2.0172872 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors. There are 10086432 positive integers (up to 20172872) that are relatively prime to 20172872.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0172872 × 10^7
Engineering notation 2.0172872 × 10^6

Prime Factorization of 20172872

Prime Factorization 2 × 2 × 2 × 2521609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5043218
Product of the distinct prime numbers

The prime factorization of 20172872 is 2 × 2 × 2 × 2521609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20172872)

Multiplication

n×y
n×2 40345744
n×3 60518616
n×4 80691488
n×5 100864360

Division

n÷y
n÷2 10086436
n÷3 6724290.6666667
n÷3 5043218
n÷5 4034574.4

Exponentiation

ny
n2 406944764728384
n3 8.2092446499358E+21
n4 1.6560404153984E+29
n5 3.3407091326659E+36

Nth Root

y√n
2√n 4491.4220465238
3√n 272.22159709854
4√n 67.018072536621
5√n 28.903707032014

Divisors of 20172872

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 -20172871
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 20172872 can be divided by 8 positive divisors. The sum of these divisors (counting 20172872) is 1, the average is 0.125.

Base conversion 20172872

Base System Value
2 Binary 1001100111101000001001000
3 Ternary 1101221212222102
4 Quaternary 1030331001020
5 Quinary 20131012442
6 Senary 2000212532
8 Octal 114750110
10 Decimal 20172872
12 Duodecimal 690a148
16 Hexadecimal 133d048
20 Vigesimal 661c3c
36 Base36 c0dhk

Cryptographic Hash Functions

md5 4fe4f1abfe8fbf9751581e1d8a2756c0
sha1 8047635bf6611f983e7300a0424a5b36cd522f72
sha256 4c871590f9665efd30f66691659a9d38e13c6beea2a060f5cf1e0e2f88593fe7
sha512 bbb30c465a6f101c8a9ddc2d84f6da42d552ca6cdb2ee17a4d9efd9651828c2169b4483fbde88ce688cb85d605d42b1997c813dfb8362d1931de326eb7febb09
ripemd-160 bf09c0eb417b721220e9049b9c05e2e6481e5b8f

20172872 as geometric shapes

Circle

Radius = n
Diameter 40345744
Circumference 126749892.95401
Area 1.2784546832875E+15

Sphere

Radius = n
Volume 3.4386803578346E+22
Surface area 5.1138187331501E+15
Circumference 126749892.95401

Square

Length = n
Perimeter 80691488
Area 406944764728384
Diagonal 28528749.174416

Cube

Length = n
Surface area 2441668588370304
Volume 8.2092446499358E+21
Space diagonal 34940439.238584

Equilateral Triangle

Length = n
Perimeter 60518616
Area 1.7621225209593E+14
Altitude 17470219.619292

Triangular Pyramid

Length = n
Surface area 1.7621225209593E+14
Volume 9.6746876006483E+20
Height 9509583.0581388