20451251 (number)

20451251 is an odd 8-digits composite number following 20451250 and preceding 20451252. In scientific notation, it is written as 2.0451251 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19526080 positive integers (up to 20451251) that are relatively prime to 20451251.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred fifty-one

Notation

Scientific notation 2.0451251 × 10^7
Engineering notation 2.0451251 × 10^6

Prime Factorization of 20451251

Prime Factorization 47 × 41 × 10613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20451251
Product of the distinct prime numbers

The prime factorization of 20451251 is 47 × 41 × 10613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451251)

Multiplication

n×y
n×2 40902502
n×3 61353753
n×4 81805004
n×5 102256255

Division

n÷y
n÷2 10225625.5
n÷3 6817083.6666667
n÷3 5112812.75
n÷5 4090250.2

Exponentiation

ny
n2 418253667465001
n3 8.5538107349973E+21
n4 1.7493613034792E+29
n5 3.5776627107141E+36

Nth Root

y√n
2√n 4522.3059383461
3√n 273.46807042807
4√n 67.248092451355
5√n 28.983042640741

Divisors of 20451251

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 -20451250
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 20451251 can be divided by 8 positive divisors. The sum of these divisors (counting 20451251) is 1, the average is 0.125.

Base conversion 20451251

Base System Value
2 Binary 1001110000000111110110011
3 Ternary 1102111000211202
4 Quaternary 1032000332303
5 Quinary 20213420001
6 Senary 2010201415
8 Octal 116007663
10 Decimal 20451251
12 Duodecimal 6a2326b
16 Hexadecimal 1380fb3
20 Vigesimal 67g82b
36 Base36 c6cab

Cryptographic Hash Functions

md5 b311ca0b14debf5120ca74037c71cdd7
sha1 e41ed4a9fa7adf16d6d79e62008aae150494a38c
sha256 3e0bf059916ddad15a360f94ca0f798d318a9308529703eb9e30a4796c0afa6d
sha512 9bfa5dd82214829db67ef76941f9e8acdf21285ae504c069550f9975dec9b2a285231cf740e3b764be2bc8168cb7c6c54f4f02d1f92e428a90afe80fcb6af1cb
ripemd-160 1ffb14215c154e7d947bf3d98b3334dc17e5e9cf

20451251 as geometric shapes

Circle

Radius = n
Diameter 40902502
Circumference 128498999.79664
Area 1.313982649045E+15

Sphere

Radius = n
Volume 3.5830118620353E+22
Surface area 5.2559305961801E+15
Circumference 128498999.79664

Square

Length = n
Perimeter 81805004
Area 418253667465001
Diagonal 28922436.531696

Cube

Length = n
Surface area 2509522004790006
Volume 8.5538107349973E+21
Space diagonal 35422605.810344

Equilateral Triangle

Length = n
Perimeter 61353753
Area 1.8110915062535E+14
Altitude 17711302.905172

Triangular Pyramid

Length = n
Surface area 1.8110915062535E+14
Volume 1.0080762626171E+21
Height 9640812.1772321