20851431 (number)

20851431 is an odd 8-digits composite number following 20851430 and preceding 20851432. In scientific notation, it is written as 2.0851431 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13577592 positive integers (up to 20851431) that are relatively prime to 20851431.

Interesting facts

Basic properties

Name

Name twenty million eight hundred fifty-one thousand four hundred thirty-one

Notation

Scientific notation 2.0851431 × 10^7
Engineering notation 2.0851431 × 10^6

Prime Factorization of 20851431

Prime Factorization 3 × 43 × 161639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20851431
Product of the distinct prime numbers

The prime factorization of 20851431 is 3 × 43 × 161639. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20851431)

Multiplication

n×y
n×2 41702862
n×3 62554293
n×4 83405724
n×5 104257155

Division

n÷y
n÷2 10425715.5
n÷3 6950477
n÷3 5212857.75
n÷5 4170286.2

Exponentiation

ny
n2 434782174747761
n3 9.0658305167829E+21
n4 1.8903553947839E+29
n5 3.9416615079815E+36

Nth Root

y√n
2√n 4566.3367155741
3√n 275.24025725269
4√n 67.574675105206
5√n 29.095590322615

Divisors of 20851431

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 -20851430
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 20851431 can be divided by 8 positive divisors. The sum of these divisors (counting 20851431) is 1, the average is 0.125.

Base conversion 20851431

Base System Value
2 Binary 1001111100010101011100111
3 Ternary 1110020100210020
4 Quaternary 1033202223213
5 Quinary 20314221211
6 Senary 2022530223
8 Octal 117425347
10 Decimal 20851431
12 Duodecimal 6b96973
16 Hexadecimal 13e2ae7
20 Vigesimal 6a68bb
36 Base36 cex2f

Cryptographic Hash Functions

md5 084455e63846bb643d3130ac0311036c
sha1 925ee28b3a3cc46c79b68dffb06bff02d63bf4b4
sha256 12c656428b0baef0dc3c919ce74c40b81e89d691fdb575e3f9ad9d6d07df9a74
sha512 fe46dde9baa686f880c11f091b53113a5ee8257ceef18a4b46d67f16c3882de3a013d02e546a5096290b7293a7e70b86af0ebf3121a10284e2b6ee6cd71482db
ripemd-160 2cb38473c4508d77437dfd8e9ac715db6a9015ee

20851431 as geometric shapes

Circle

Radius = n
Diameter 41702862
Circumference 131013404.89287
Area 1.3659084860994E+15

Sphere

Radius = n
Volume 3.7974862066954E+22
Surface area 5.4636339443974E+15
Circumference 131013404.89287

Square

Length = n
Perimeter 83405724
Area 434782174747761
Diagonal 29488376.515087

Cube

Length = n
Surface area 2608693048486566
Volume 9.0658305167829E+21
Space diagonal 36115737.902517

Equilateral Triangle

Length = n
Perimeter 62554293
Area 1.882662042221E+14
Altitude 18057868.951258

Triangular Pyramid

Length = n
Surface area 1.882662042221E+14
Volume 1.0684183725842E+21
Height 9829458.8383623