20145845 (number)

20145845 is an odd 8-digits composite number following 20145844 and preceding 20145846. In scientific notation, it is written as 2.0145845 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 15495744 positive integers (up to 20145845) that are relatively prime to 20145845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145845 × 10^7
Engineering notation 2.0145845 × 10^6

Prime Factorization of 20145845

Prime Factorization 5 × 47 × 59 × 1453

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145845
Product of the distinct prime numbers

The prime factorization of 20145845 is 5 × 47 × 59 × 1453. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 38, 72, 633, 733, 4604, 5228, 19299, 43885, 709794, 623166, 6360965, 769116, 24305040, 25047895, 55183388, 911073069, 9576708002, 3314358974

Basic calculations (n = 20145845)

Multiplication

n×y
n×2 40291690
n×3 60437535
n×4 80583380
n×5 100729225

Division

n÷y
n÷2 10072922.5
n÷3 6715281.6666667
n÷3 5036461.25
n÷5 4029169

Exponentiation

ny
n2 405855070764025
n3 8.1762933480761E+21
n4 1.6471833846487E+29
n5 3.3183901153708E+36

Nth Root

y√n
2√n 4488.4123028082
3√n 272.09997136171
4√n 66.995614056505
5√n 28.895958016727

Divisors of 20145845

1, 5, 47, 59, 235, 295, 1453, 2773, 7265, 13865, 68291, 85727, 341455, 428635, 4029169, 20145845

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 -20145844
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 20145845 can be divided by 16 positive divisors. The sum of these divisors (counting 20145845) is 1, the average is 0.0625.

Base conversion 20145845

Base System Value
2 Binary 1001100110110011010110101
3 Ternary 1101220111220102
4 Quaternary 1030312122311
5 Quinary 20124131340
6 Senary 1555443445
8 Octal 114663265
10 Decimal 20145845
12 Duodecimal 68b6585
16 Hexadecimal 13366b5
20 Vigesimal 65i4c5
36 Base36 bzsmt

Cryptographic Hash Functions

md5 d71b88154b33db4f0478888046c109d0
sha1 5ede899466e16cc0859bd740bb944d0c6c893b08
sha256 865c4e01005c1c19254f4abe63797a63d855afd2790c5f82d4e6bb21cebf675f
sha512 caafb4090b4dc9c7494c2e85133eb2af81fdd50c1b9731fe11a2d3d7eeff877580febf87102d621ebabd4f133dc73c26c085cb3b9b27530f42d3e391245adec6
ripemd-160 01d76834bdf15e09380c8cbb338326fb814827ec

20145845 as geometric shapes

Circle

Radius = n
Diameter 40291690
Circumference 126580077.30472
Area 1.2750313087344E+15

Sphere

Radius = n
Volume 3.4248777487881E+22
Surface area 5.1001252349377E+15
Circumference 126580077.30472

Square

Length = n
Perimeter 80583380
Area 405855070764025
Diagonal 28490527.224466

Cube

Length = n
Surface area 2435130424584150
Volume 8.1762933480761E+21
Space diagonal 34893627.101407

Equilateral Triangle

Length = n
Perimeter 60437535
Area 1.7574040076819E+14
Altitude 17446813.550704

Triangular Pyramid

Length = n
Surface area 1.7574040076819E+14
Volume 9.6358541189918E+20
Height 9496842.4081554