20398545 (number)

20398545 is an odd 8-digits composite number following 20398544 and preceding 20398546. In scientific notation, it is written as 2.0398545 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 10879200 positive integers (up to 20398545) that are relatively prime to 20398545.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-eight thousand five hundred forty-five

Notation

Scientific notation 2.0398545 × 10^7
Engineering notation 2.0398545 × 10^6

Prime Factorization of 20398545

Prime Factorization 5 × 3 × 3 × 453301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6799515
Product of the distinct prime numbers

The prime factorization of 20398545 is 5 × 3 × 3 × 453301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 4, 25, 214, 986, 9722, 6555, 29077, 34629, 587146, 585791, 4588933, 7626798, 15059225, 1259656, 829615765, 749466032, 8976078341, 2871760032

Basic calculations (n = 20398545)

Multiplication

n×y
n×2 40797090
n×3 61195635
n×4 81594180
n×5 101992725

Division

n÷y
n÷2 10199272.5
n÷3 6799515
n÷3 5099636.25
n÷5 4079709

Exponentiation

ny
n2 416100638117025
n3 8.4878475911588E+21
n4 1.731397410414E+29
n5 3.5317987989213E+36

Nth Root

y√n
2√n 4516.474842175
3√n 273.23294532121
4√n 67.20472336209
5√n 28.968088470868

Divisors of 20398545

1, 3, 5, 9, 15, 45, 453301, 1359903, 2266505, 4079709, 6799515, 20398545

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20398544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20398545 can be divided by 12 positive divisors. The sum of these divisors (counting 20398545) is 1, the average is 0.083333333333333.

Base conversion 20398545

Base System Value
2 Binary 1001101110100000111010001
3 Ternary 1102101100112200
4 Quaternary 1031310013101
5 Quinary 20210223140
6 Senary 2005113413
8 Octal 115640721
10 Decimal 20398545
12 Duodecimal 69b8869
16 Hexadecimal 13741d1
20 Vigesimal 679g75
36 Base36 c57m9

Cryptographic Hash Functions

md5 d56f69c5e5afa97d8be962adee6e83ce
sha1 b9983b019b962bd0282bf8867ae7de55e242db8c
sha256 b866f20c6f9ea8591d865b86753dca8e4c4acdac3cd24193db8eb4db3b58aa65
sha512 3314c3069e6203366a5268f5f8fb9c4a05f5f393abd44100d4fe9801af1890659923be11f256783a23a9a18ac0a6b6d4c3321451dcc8467ef95c7e645f9e2cdf
ripemd-160 fa5d0297fa5fcb7712fefcd1a6d20734bd853e5a

20398545 as geometric shapes

Circle

Radius = n
Diameter 40797090
Circumference 128167838.23184
Area 1.3072187078625E+15

Sphere

Radius = n
Volume 3.5553812849566E+22
Surface area 5.2288748314499E+15
Circumference 128167838.23184

Square

Length = n
Perimeter 81594180
Area 416100638117025
Diagonal 28847898.991678

Cube

Length = n
Surface area 2496603828702150
Volume 8.4878475911588E+21
Space diagonal 35331316.34048

Equilateral Triangle

Length = n
Perimeter 61195635
Area 1.8017686157013E+14
Altitude 17665658.17024

Triangular Pyramid

Length = n
Surface area 1.8017686157013E+14
Volume 1.0003024315644E+21
Height 9615966.3305593