20451731 (number)

20451731 is an odd 8-digits composite number following 20451730 and preceding 20451732. In scientific notation, it is written as 2.0451731 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 19168000 positive integers (up to 20451731) that are relatively prime to 20451731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0451731 × 10^7
Engineering notation 2.0451731 × 10^6

Prime Factorization of 20451731

Prime Factorization 17 × 251 × 4793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20451731
Product of the distinct prime numbers

The prime factorization of 20451731 is 17 × 251 × 4793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451731)

Multiplication

n×y
n×2 40903462
n×3 61355193
n×4 81806924
n×5 102258655

Division

n÷y
n÷2 10225865.5
n÷3 6817243.6666667
n÷3 5112932.75
n÷5 4090346.2

Exponentiation

ny
n2 418273300896361
n3 8.5544130344144E+21
n4 1.7495255424274E+29
n5 3.5780825771354E+36

Nth Root

y√n
2√n 4522.3590083053
3√n 273.47020988394
4√n 67.248487033578
5√n 28.983178688457

Divisors of 20451731

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 -20451730
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 20451731 can be divided by 8 positive divisors. The sum of these divisors (counting 20451731) is 1, the average is 0.125.

Base conversion 20451731

Base System Value
2 Binary 1001110000001000110010011
3 Ternary 1102111001111112
4 Quaternary 1032001012103
5 Quinary 20213423411
6 Senary 2010203535
8 Octal 116010623
10 Decimal 20451731
12 Duodecimal 6a235ab
16 Hexadecimal 1381193
20 Vigesimal 67g96b
36 Base36 c6cnn

Cryptographic Hash Functions

md5 a41f3286e1b24fa33e106a904b5c1883
sha1 95da695cbad37bcfe87474d6b0f1037eea707295
sha256 5d9ffdc3a34981e529951f9ea39a2b473741b9d1115514e5ce6978a836543805
sha512 66d19c03855492e9ca3fa1f43d8ea3fbb18d1b47835fd27a3b3ada850d34c4ad8044739a62f333da838c5df81eaba3a578fb6f7ff9b4454e78ff3801ff51bb62
ripemd-160 c3b7ac81930ce77e4b60672ae2b19037ee3a103a

20451731 as geometric shapes

Circle

Radius = n
Diameter 40903462
Circumference 128502015.72559
Area 1.3140443292888E+15

Sphere

Radius = n
Volume 3.5832641526252E+22
Surface area 5.256177317155E+15
Circumference 128502015.72559

Square

Length = n
Perimeter 81806924
Area 418273300896361
Diagonal 28923115.354206

Cube

Length = n
Surface area 2509639805378166
Volume 8.5544130344144E+21
Space diagonal 35423437.194731

Equilateral Triangle

Length = n
Perimeter 61355193
Area 1.8111765215051E+14
Altitude 17711718.597366

Triangular Pyramid

Length = n
Surface area 1.8111765215051E+14
Volume 1.0081472442842E+21
Height 9641038.4514021