20485989 (number)

20485989 is an odd 8-digits composite number following 20485988 and preceding 20485990. In scientific notation, it is written as 2.0485989 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 13549032 positive integers (up to 20485989) that are relatively prime to 20485989.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-five thousand nine hundred eighty-nine

Notation

Scientific notation 2.0485989 × 10^7
Engineering notation 2.0485989 × 10^6

Prime Factorization of 20485989

Prime Factorization 9 × 127 × 17923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20485989
Product of the distinct prime numbers

The prime factorization of 20485989 is 9 × 127 × 17923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 40, 91, 184, 459, 2843, 2726, 87343, 34963, 160728, 540555, 1555733, 7540925, 41478740, 84297505, 968401448, 172704476, 5162896138, 9043221918

Basic calculations (n = 20485989)

Multiplication

n×y
n×2 40971978
n×3 61457967
n×4 81943956
n×5 102429945

Division

n÷y
n÷2 10242994.5
n÷3 6828663
n÷3 5121497.25
n÷5 4097197.8

Exponentiation

ny
n2 419675745308121
n3 8.597472701949E+21
n4 1.7612773119993E+29
n5 3.6081507639567E+36

Nth Root

y√n
2√n 4526.1450484933
3√n 273.62281825952
4√n 67.276630775428
5√n 28.992881936854

Divisors of 20485989

1, 9, 127, 1143, 17923, 161307, 2276221, 20485989

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 -20485988
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 20485989 can be divided by 8 positive divisors. The sum of these divisors (counting 20485989) is 1, the average is 0.125.

Base conversion 20485989

Base System Value
2 Binary 1001110001001011101100101
3 Ternary 1102112210111100
4 Quaternary 1032021131211
5 Quinary 20221022424
6 Senary 2011030313
8 Octal 116113545
10 Decimal 20485989
12 Duodecimal 6a3b399
16 Hexadecimal 1389765
20 Vigesimal 680ej9
36 Base36 c7339

Cryptographic Hash Functions

md5 7f66a649af4207a73fb6324bf1666070
sha1 208f708b7db704679dd876e8fc541ce2e99c74e5
sha256 694cb052e97e7c7566cbd0fdcd098ea5291f2a21cd7294eb7c69e6b0441582d7
sha512 32c40470e5fbd62f641f9b043200212681aade8db6a5f6f3c3b0ea7d7c54546c7e29d8932090c3d394c3c8dd6756f7d2f1ba6811111eec3b227f12f8a9430bc4
ripemd-160 0ef041ab7810fb15348ad64dc21c105964bbafb6

20485989 as geometric shapes

Circle

Radius = n
Diameter 40971978
Circumference 128717265.08784
Area 1.3184502383498E+15

Sphere

Radius = n
Volume 3.6013009439842E+22
Surface area 5.2738009533993E+15
Circumference 128717265.08784

Square

Length = n
Perimeter 81943956
Area 419675745308121
Diagonal 28971563.482426

Cube

Length = n
Surface area 2518054471848726
Volume 8.597472701949E+21
Space diagonal 35482773.791297

Equilateral Triangle

Length = n
Perimeter 61457967
Area 1.817249283945E+14
Altitude 17741386.895649

Triangular Pyramid

Length = n
Surface area 1.817249283945E+14
Volume 1.0132218747691E+21
Height 9657187.8274753