20156972 (number)

20156972 is an even 8-digits composite number following 20156971 and preceding 20156973. In scientific notation, it is written as 2.0156972 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 8845760 positive integers (up to 20156972) that are relatively prime to 20156972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0156972 × 10^7
Engineering notation 2.0156972 × 10^6

Prime Factorization of 20156972

Prime Factorization 2 × 2 × 319 × 15797

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10078486
Product of the distinct prime numbers

The prime factorization of 20156972 is 2 × 2 × 319 × 15797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20156972)

Multiplication

n×y
n×2 40313944
n×3 60470916
n×4 80627888
n×5 100784860

Division

n÷y
n÷2 10078486
n÷3 6718990.6666667
n÷3 5039243
n÷5 4031394.4

Exponentiation

ny
n2 406303520208784
n3 8.1898486803499E+21
n4 1.6508255053405E+29
n5 3.3275643488034E+36

Nth Root

y√n
2√n 4489.651656866
3√n 272.15005777139
4√n 67.004862934462
5√n 28.899149288319

Divisors of 20156972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20156971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20156972 can be divided by 12 positive divisors. The sum of these divisors (counting 20156972) is 1, the average is 0.083333333333333.

Base conversion 20156972

Base System Value
2 Binary 1001100111001001000101100
3 Ternary 1101221002011112
4 Quaternary 1030321020230
5 Quinary 20130010342
6 Senary 2000011152
8 Octal 114711054
10 Decimal 20156972
12 Duodecimal 6900ab8
16 Hexadecimal 133922c
20 Vigesimal 65jc8c
36 Base36 c017w

Cryptographic Hash Functions

md5 03cf816d260fa98d493f9530a3b90fb4
sha1 bf4f07df3a8696526f614cff21a4592bcd8832ee
sha256 88f585281c4d2d112b54d1d026c077226f653846d6a69055eee6af984bba406f
sha512 f580b6a7360adc161fd51459c716b8e72f593d32eb5b37e6e51a3cba85364fcb2b6b0f070ce523a651a115e63706cdb2edf47de5c620c15558e0efb080e6564c
ripemd-160 485c94fa949820ed7908b1387a0eeb2434aa6b77

20156972 as geometric shapes

Circle

Radius = n
Diameter 40313944
Circumference 126649990.30763
Area 1.2764401542156E+15

Sphere

Radius = n
Volume 3.4305557930932E+22
Surface area 5.1057606168624E+15
Circumference 126649990.30763

Square

Length = n
Perimeter 80627888
Area 406303520208784
Diagonal 28506263.178775

Cube

Length = n
Surface area 2437821121252704
Volume 8.1898486803499E+21
Space diagonal 34912899.630743

Equilateral Triangle

Length = n
Perimeter 60470916
Area 1.7593458507393E+14
Altitude 17456449.815372

Triangular Pyramid

Length = n
Surface area 1.7593458507393E+14
Volume 9.6518292312785E+20
Height 9502087.7262582