20454745 (number)

20454745 is an odd 8-digits composite number following 20454744 and preceding 20454746. In scientific notation, it is written as 2.0454745 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15986880 positive integers (up to 20454745) that are relatively prime to 20454745.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-four thousand seven hundred forty-five

Notation

Scientific notation 2.0454745 × 10^7
Engineering notation 2.0454745 × 10^6

Prime Factorization of 20454745

Prime Factorization 5 × 71 × 157 × 367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20454745
Product of the distinct prime numbers

The prime factorization of 20454745 is 5 × 71 × 157 × 367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 61, 58, 13, 516, 6989, 5626, 7173, 23140, 486250, 577520, 9579718, 6139880, 17886766, 83843937, 402729344, 514248292, 3321581219, 3127283112

Basic calculations (n = 20454745)

Multiplication

n×y
n×2 40909490
n×3 61364235
n×4 81818980
n×5 102273725

Division

n÷y
n÷2 10227372.5
n÷3 6818248.3333333
n÷3 5113686.25
n÷5 4090949

Exponentiation

ny
n2 418396593015025
n3 8.5581956189911E+21
n4 1.7505570904658E+29
n5 3.580719889342E+36

Nth Root

y√n
2√n 4522.6922291927
3√n 273.48364311894
4√n 67.250964522397
5√n 28.984032896363

Divisors of 20454745

1, 5, 71, 157, 355, 367, 785, 1835, 11147, 26057, 55735, 57619, 130285, 288095, 4090949, 20454745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20454744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20454745 can be divided by 16 positive divisors. The sum of these divisors (counting 20454745) is 1, the average is 0.0625.

Base conversion 20454745

Base System Value
2 Binary 1001110000001110101011001
3 Ternary 1102111012122011
4 Quaternary 1032001311121
5 Quinary 20214022440
6 Senary 2010225521
8 Octal 116016531
10 Decimal 20454745
12 Duodecimal 6a252a1
16 Hexadecimal 1381d59
20 Vigesimal 67ggh5
36 Base36 c6ezd

Cryptographic Hash Functions

md5 21897ad94d6413898132e134c31f139a
sha1 d31596a6555f8033c4a01ba60417076b8597e924
sha256 e8f28504371670a8b3066fa592400abe80edba373da631033af0b7e7118e5fbb
sha512 8313dc32eb7822c27cf2ffe8da22829f35305d54d49d06ecfefcf84d47e9d172e2d4c6359a546c12e9bf5f424c2d5050636024dc381bf04f9d6b98afae96bc42
ripemd-160 9092d42194bbaeb7d7eee5a9017f23b481238273

20454745 as geometric shapes

Circle

Radius = n
Diameter 40909490
Circumference 128520953.24611
Area 1.314431662903E+15

Sphere

Radius = n
Volume 3.5848485979476E+22
Surface area 5.257726651612E+15
Circumference 128520953.24611

Square

Length = n
Perimeter 81818980
Area 418396593015025
Diagonal 28927377.793883

Cube

Length = n
Surface area 2510379558090150
Volume 8.5581956189911E+21
Space diagonal 35428657.595865

Equilateral Triangle

Length = n
Perimeter 61364235
Area 1.8117103920394E+14
Altitude 17714328.797933

Triangular Pyramid

Length = n
Surface area 1.8117103920394E+14
Volume 1.0085930261516E+21
Height 9642459.2646278