20157249 (number)

20157249 is an odd 8-digits composite number following 20157248 and preceding 20157250. In scientific notation, it is written as 2.0157249 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11518416 positive integers (up to 20157249) that are relatively prime to 20157249.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157249 × 10^7
Engineering notation 2.0157249 × 10^6

Prime Factorization of 20157249

Prime Factorization 3 × 7 × 959869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157249
Product of the distinct prime numbers

The prime factorization of 20157249 is 3 × 7 × 959869. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157249)

Multiplication

n×y
n×2 40314498
n×3 60471747
n×4 80628996
n×5 100786245

Division

n÷y
n÷2 10078624.5
n÷3 6719083
n÷3 5039312.25
n÷5 4031449.8

Exponentiation

ny
n2 406314687248001
n3 8.1901863232151E+21
n4 1.6509162507344E+29
n5 3.32779299442E+36

Nth Root

y√n
2√n 4489.6825054785
3√n 272.15130440739
4√n 67.005093130885
5√n 28.899228715133

Divisors of 20157249

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 -20157248
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 20157249 can be divided by 8 positive divisors. The sum of these divisors (counting 20157249) is 1, the average is 0.125.

Base conversion 20157249

Base System Value
2 Binary 1001100111001001101000001
3 Ternary 1101221002112210
4 Quaternary 1030321031001
5 Quinary 20130012444
6 Senary 2000012333
8 Octal 114711501
10 Decimal 20157249
12 Duodecimal 69010a9
16 Hexadecimal 1339341
20 Vigesimal 65jd29
36 Base36 c01fl

Cryptographic Hash Functions

md5 af99fec457550d44ca24148f2c36886b
sha1 ee0907946f9b4028b5d7ec72dbbb45b940e83aa8
sha256 823d9d9c6ebfc7a8ef1304f26491201c6219044b1889f8ffd9cc188f027fef67
sha512 474cb3edb01fe5f5a540250eae025bb54c677cd0cb21ab1021793227f9427480d60eb51e3dd250689b479b3de17c507d4b2bd3885908c4dda9bc80cb7d21faf9
ripemd-160 e4c50e254abb3cadb9caea07303d934814392557

20157249 as geometric shapes

Circle

Radius = n
Diameter 40314498
Circumference 126651730.74996
Area 1.276475236504E+15

Sphere

Radius = n
Volume 3.4306972246059E+22
Surface area 5.1059009460158E+15
Circumference 126651730.74996

Square

Length = n
Perimeter 80628996
Area 406314687248001
Diagonal 28506654.915932

Cube

Length = n
Surface area 2437888123488006
Volume 8.1901863232151E+21
Space diagonal 34913379.408817

Equilateral Triangle

Length = n
Perimeter 60471747
Area 1.7593942054375E+14
Altitude 17456689.704408

Triangular Pyramid

Length = n
Surface area 1.7593942054375E+14
Volume 9.6522271472112E+20
Height 9502218.3053105