20389989 (number)

20389989 is an odd 8-digits composite number following 20389988 and preceding 20389990. In scientific notation, it is written as 2.0389989 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 13440416 positive integers (up to 20389989) that are relatively prime to 20389989.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 2.0389989 × 10^7
Engineering notation 2.0389989 × 10^6

Prime Factorization of 20389989

Prime Factorization 3 × 89 × 76367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20389989
Product of the distinct prime numbers

The prime factorization of 20389989 is 3 × 89 × 76367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20389989)

Multiplication

n×y
n×2 40779978
n×3 61169967
n×4 81559956
n×5 101949945

Division

n÷y
n÷2 10194994.5
n÷3 6796663
n÷3 5097497.25
n÷5 4077997.8

Exponentiation

ny
n2 415751651420121
n3 8.4771715991881E+21
n4 1.7284943565856E+29
n5 3.5243980917342E+36

Nth Root

y√n
2√n 4515.5275439311
3√n 273.19473821689
4√n 67.197675137843
5√n 28.96565797831

Divisors of 20389989

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 -20389988
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 20389989 can be divided by 8 positive divisors. The sum of these divisors (counting 20389989) is 1, the average is 0.125.

Base conversion 20389989

Base System Value
2 Binary 1001101110010000001100101
3 Ternary 1102100220210210
4 Quaternary 1031302001211
5 Quinary 20204434424
6 Senary 2005010033
8 Octal 115620145
10 Decimal 20389989
12 Duodecimal 69b3919
16 Hexadecimal 1372065
20 Vigesimal 678ej9
36 Base36 c510l

Cryptographic Hash Functions

md5 3e4ba32476a73388271727bdec657f56
sha1 526a20de3bbc88ff2d932bea206fdb6549aa7a95
sha256 59faef5d3a67287beb0c002b81519976c93255a70b3e26439e4a802fa82d3ade
sha512 443edb196171c00103ee2b1542dd58f4ffe6d294ee0290ced0ffe5a54189f9c84b3cf074027c49599523d1dbc7c53e800f50f12c22e5e1deff45daf55f0097c9
ripemd-160 cf98a1284447e6602f00a3d44a18ad82d4c5ee17

20389989 as geometric shapes

Circle

Radius = n
Diameter 40779978
Circumference 128114079.29835
Area 1.3061223338193E+15

Sphere

Radius = n
Volume 3.5509093358973E+22
Surface area 5.2244893352771E+15
Circumference 128114079.29835

Square

Length = n
Perimeter 81559956
Area 415751651420121
Diagonal 28835798.980438

Cube

Length = n
Surface area 2494509908520726
Volume 8.4771715991881E+21
Space diagonal 35316496.913771

Equilateral Triangle

Length = n
Perimeter 61169967
Area 1.8002574589758E+14
Altitude 17658248.456885

Triangular Pyramid

Length = n
Surface area 1.8002574589758E+14
Volume 9.9904425384465E+20
Height 9611932.9934794