20157449 (number)

20157449 is an odd 8-digits composite number following 20157448 and preceding 20157450. In scientific notation, it is written as 2.0157449 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 18558720 positive integers (up to 20157449) that are relatively prime to 20157449.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand four hundred forty-nine

Notation

Scientific notation 2.0157449 × 10^7
Engineering notation 2.0157449 × 10^6

Prime Factorization of 20157449

Prime Factorization 13 × 433 × 3581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157449
Product of the distinct prime numbers

The prime factorization of 20157449 is 13 × 433 × 3581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157449)

Multiplication

n×y
n×2 40314898
n×3 60472347
n×4 80629796
n×5 100787245

Division

n÷y
n÷2 10078724.5
n÷3 6719149.6666667
n÷3 5039362.25
n÷5 4031489.8

Exponentiation

ny
n2 406322750187601
n3 8.1904301144463E+21
n4 1.6509817732002E+29
n5 3.3279580893212E+36

Nth Root

y√n
2√n 4489.7047787132
3√n 272.15220449848
4√n 67.005259336213
5√n 28.89928606247

Divisors of 20157449

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 -20157448
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 20157449 can be divided by 8 positive divisors. The sum of these divisors (counting 20157449) is 1, the average is 0.125.

Base conversion 20157449

Base System Value
2 Binary 1001100111001010000001001
3 Ternary 1101221002211012
4 Quaternary 1030321100021
5 Quinary 20130014244
6 Senary 2000013305
8 Octal 114712011
10 Decimal 20157449
12 Duodecimal 6901235
16 Hexadecimal 1339409
20 Vigesimal 65jdc9
36 Base36 c01l5

Cryptographic Hash Functions

md5 89752ed999ff21b0feac572d592e614c
sha1 544a39dd7d8c6afaf5ae40395c5784b03102f0e5
sha256 bf515f64cc54c875dc770427f3fcf77cb4b2073ce8f5280535ea309d2276d906
sha512 7bf82c6b703cbebceefbbaedbba44298b5334726789a3404015b243562bb1fb3482d1ccf9c3ba68d1c51128b0de02871772031c543883993f1354347701376ef
ripemd-160 ea0a890bcc31166d90206c3d820e7a91ab19e9ff

20157449 as geometric shapes

Circle

Radius = n
Diameter 40314898
Circumference 126652987.38702
Area 1.2765005669758E+15

Sphere

Radius = n
Volume 3.430799343638E+22
Surface area 5.1060022679031E+15
Circumference 126652987.38702

Square

Length = n
Perimeter 80629796
Area 406322750187601
Diagonal 28506937.758644

Cube

Length = n
Surface area 2437936501125606
Volume 8.1904301144463E+21
Space diagonal 34913725.818978

Equilateral Triangle

Length = n
Perimeter 60472347
Area 1.7594291189901E+14
Altitude 17456862.909489

Triangular Pyramid

Length = n
Surface area 1.7594291189901E+14
Volume 9.6525144579325E+20
Height 9502312.5862147