20157972 (number)

20157972 is an even 8-digits composite number following 20157971 and preceding 20157973. In scientific notation, it is written as 2.0157972 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 6719320 positive integers (up to 20157972) that are relatively prime to 20157972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157972 × 10^7
Engineering notation 2.0157972 × 10^6

Prime Factorization of 20157972

Prime Factorization 2 × 2 × 3 × 1679831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10078986
Product of the distinct prime numbers

The prime factorization of 20157972 is 2 × 2 × 3 × 1679831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157972)

Multiplication

n×y
n×2 40315944
n×3 60473916
n×4 80631888
n×5 100789860

Division

n÷y
n÷2 10078986
n÷3 6719324
n÷3 5039493
n÷5 4031594.4

Exponentiation

ny
n2 406343835152784
n3 8.1910676513824E+21
n4 1.6511531236667E+29
n5 3.3283898434586E+36

Nth Root

y√n
2√n 4489.7630226995
3√n 272.15455820855
4√n 67.005693957301
5√n 28.899436023606

Divisors of 20157972

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 -20157971
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 20157972 can be divided by 12 positive divisors. The sum of these divisors (counting 20157972) is 1, the average is 0.083333333333333.

Base conversion 20157972

Base System Value
2 Binary 1001100111001011000010100
3 Ternary 1101221010112120
4 Quaternary 1030321120110
5 Quinary 20130023342
6 Senary 2000015540
8 Octal 114713024
10 Decimal 20157972
12 Duodecimal 69015b0
16 Hexadecimal 1339614
20 Vigesimal 65jeic
36 Base36 c01zo

Cryptographic Hash Functions

md5 60c94e0850353a40b9dbc7b7a98d24c8
sha1 3108e05e74e42283e2dea91c222ac0440734a6c8
sha256 035007471ccf670382a56ae6f74ad9c45732e4fc7bf92fe9a734ebedfddcb40e
sha512 176af3bb4a2a23dad4fc6638d9a470bf1ab43452b9435dd21b07070dcd06695c70e5f4ee8e73a15557462d57cc191b7c78ce3f7c2c9e3c292a73f74caf0817be
ripemd-160 eb851923c6dca6b6daf0fcce5d1b7a66af4d1ab0

20157972 as geometric shapes

Circle

Radius = n
Diameter 40315944
Circumference 126656273.49294
Area 1.2765668073475E+15

Sphere

Radius = n
Volume 3.4310663944853E+22
Surface area 5.10626722939E+15
Circumference 126656273.49294

Square

Length = n
Perimeter 80631888
Area 406343835152784
Diagonal 28507677.392337

Cube

Length = n
Surface area 2438063010916704
Volume 8.1910676513824E+21
Space diagonal 34914631.681551

Equilateral Triangle

Length = n
Perimeter 60473916
Area 1.7595204195675E+14
Altitude 17457315.840775

Triangular Pyramid

Length = n
Surface area 1.7595204195675E+14
Volume 9.6532658024171E+20
Height 9502559.130779