20155972 (number)

20155972 is an even 8-digits composite number following 20155971 and preceding 20155973. In scientific notation, it is written as 2.0155972 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9805536 positive integers (up to 20155972) that are relatively prime to 20155972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0155972 × 10^7
Engineering notation 2.0155972 × 10^6

Prime Factorization of 20155972

Prime Factorization 2 × 2 × 37 × 136189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10077986
Product of the distinct prime numbers

The prime factorization of 20155972 is 2 × 2 × 37 × 136189. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 45, 34, 287, 3, 5979, 5708, 87086, 57822, 696553, 152949, 199831, 5244160, 42078162, 53425440, 936893547, 133841376, 2500961765, 3162812736

Basic calculations (n = 20155972)

Multiplication

n×y
n×2 40311944
n×3 60467916
n×4 80623888
n×5 100779860

Division

n÷y
n÷2 10077986
n÷3 6718657.3333333
n÷3 5038993
n÷5 4031194.4

Exponentiation

ny
n2 406263207264784
n3 8.1886298302592E+21
n4 1.6504979357707E+29
n5 3.3267390179452E+36

Nth Root

y√n
2√n 4489.5402882701
3√n 272.14555718538
4√n 67.004031880701
5√n 28.898862541651

Divisors of 20155972

1, 2, 4, 37, 74, 148, 136189, 272378, 544756, 5038993, 10077986, 20155972

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 -20155971
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 20155972 can be divided by 12 positive divisors. The sum of these divisors (counting 20155972) is 1, the average is 0.083333333333333.

Base conversion 20155972

Base System Value
2 Binary 1001100111000111001000100
3 Ternary 1101221000210111
4 Quaternary 1030320321010
5 Quinary 20124442342
6 Senary 2000002404
8 Octal 114707104
10 Decimal 20155972
12 Duodecimal 6900404
16 Hexadecimal 1338e44
20 Vigesimal 65j9ic
36 Base36 c00g4

Cryptographic Hash Functions

md5 a6dbfc079545a651e5632c334d3f905e
sha1 717059245234e28d7a85b1e91cbb10e00549ad19
sha256 6e3615ce3a48042cbc52ba475a87d628de3321e5a36ec4450cbea7db08186eab
sha512 0e1749b70c21c708af760bd050d04876fb13f80b4b58e1fb1cf213b51ad0c7ffe515710ab6c65034a19f246cf49f70e263b73b982775ce141476538b2d68b467
ripemd-160 1959d7ea50ce09a0a2bae848d06485cc31b2152d

20155972 as geometric shapes

Circle

Radius = n
Diameter 40311944
Circumference 126643707.12232
Area 1.2763135073669E+15

Sphere

Radius = n
Volume 3.4300452423611E+22
Surface area 5.1052540294675E+15
Circumference 126643707.12232

Square

Length = n
Perimeter 80623888
Area 406263207264784
Diagonal 28504848.965212

Cube

Length = n
Surface area 2437579243588704
Volume 8.1886298302592E+21
Space diagonal 34911167.579936

Equilateral Triangle

Length = n
Perimeter 60467916
Area 1.7591712905712E+14
Altitude 17455583.789968

Triangular Pyramid

Length = n
Surface area 1.7591712905712E+14
Volume 9.6503928026712E+20
Height 9501616.3217375