20145808 (number)

20145808 is an even 8-digits composite number following 20145807 and preceding 20145809. In scientific notation, it is written as 2.0145808 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 10 positive divisors. There are 10072896 positive integers (up to 20145808) that are relatively prime to 20145808.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eight hundred eight

Notation

Scientific notation 2.0145808 × 10^7
Engineering notation 2.0145808 × 10^6

Prime Factorization of 20145808

Prime Factorization 2 × 2 × 2 × 2 × 1259113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2518226
Product of the distinct prime numbers

The prime factorization of 20145808 is 2 × 2 × 2 × 2 × 1259113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145808)

Multiplication

n×y
n×2 40291616
n×3 60437424
n×4 80583232
n×5 100729040

Division

n÷y
n÷2 10072904
n÷3 6715269.3333333
n÷3 5036452
n÷5 4029161.6

Exponentiation

ny
n2 405853579972864
n3 8.176248298246E+21
n4 1.6471712837679E+29
n5 3.3183596425902E+36

Nth Root

y√n
2√n 4488.4081810816
3√n 272.09980478137
4√n 66.995583295331
5√n 28.895947402616

Divisors of 20145808

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145808 can be divided by 10 positive divisors. The sum of these divisors (counting 20145808) is 1, the average is 0.1.

Base conversion 20145808

Base System Value
2 Binary 1001100110110011010010000
3 Ternary 1101220111212001
4 Quaternary 1030312122100
5 Quinary 20124131213
6 Senary 1555443344
8 Octal 114663220
10 Decimal 20145808
12 Duodecimal 68b6554
16 Hexadecimal 1336690
20 Vigesimal 65i4a8
36 Base36 bzsls

Cryptographic Hash Functions

md5 f38ec7d6deac77b91dee12058029a818
sha1 4ba4d3ebfaf58bd7e6599bca0227978205f42263
sha256 0938e3efa68eff3fcf121f4f951d5cd38232d4d03c84ed827458debbecaea93f
sha512 6c7c819b92111ea7dc67b0817ab0c1d5c3574bdd37527c82edb3cf3cf7254dc8f26091e37e878111f593352e65d6781db4bf8398e7a9b53b0f0d80d74191ef7c
ripemd-160 9c7a2ecae70bef9fd5f3d47eaf535f83073d5841

20145808 as geometric shapes

Circle

Radius = n
Diameter 40291616
Circumference 126579844.82686
Area 1.2750266252759E+15

Sphere

Radius = n
Volume 3.4248588783594E+22
Surface area 5.1001065011035E+15
Circumference 126579844.82686

Square

Length = n
Perimeter 80583232
Area 405853579972864
Diagonal 28490474.898564

Cube

Length = n
Surface area 2435121479837184
Volume 8.176248298246E+21
Space diagonal 34893563.015528

Equilateral Triangle

Length = n
Perimeter 60437424
Area 1.7573975523668E+14
Altitude 17446781.507764

Triangular Pyramid

Length = n
Surface area 1.7573975523668E+14
Volume 9.6358010272578E+20
Height 9496824.9661881