20495989 (number)

20495989 is an odd 8-digits composite number following 20495988 and preceding 20495990. In scientific notation, it is written as 2.0495989 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 20482924 positive integers (up to 20495989) that are relatively prime to 20495989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0495989 × 10^7
Engineering notation 2.0495989 × 10^6

Prime Factorization of 20495989

Prime Factorization 11243 × 1823

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20495989
Product of the distinct prime numbers

The prime factorization of 20495989 is 11243 × 1823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20495989)

Multiplication

n×y
n×2 40991978
n×3 61487967
n×4 81983956
n×5 102479945

Division

n÷y
n÷2 10247994.5
n÷3 6831996.3333333
n÷3 5123997.25
n÷5 4099197.8

Exponentiation

ny
n2 420085565088121
n3 8.6100691211049E+21
n4 1.7647188199541E+29
n5 3.6169657521871E+36

Nth Root

y√n
2√n 4527.2496065492
3√n 273.66733296147
4√n 67.284839351441
5√n 28.995711892741

Divisors of 20495989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20495988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20495989 can be divided by 4 positive divisors. The sum of these divisors (counting 20495989) is 1, the average is 0.25.

Base conversion 20495989

Base System Value
2 Binary 1001110001011111001110101
3 Ternary 1102120022012201
4 Quaternary 1032023321311
5 Quinary 20221332424
6 Senary 2011144501
8 Octal 116137165
10 Decimal 20495989
12 Duodecimal 6a45131
16 Hexadecimal 138be75
20 Vigesimal 681jj9
36 Base36 c7at1

Cryptographic Hash Functions

md5 705048c57db6e9927a0af024d9afb23b
sha1 ca48272d090a59db89cfaaa6efd2477c289edb2e
sha256 21ba73497527b4849b7c2da46e5ec84d442ee61285be8590b8b1a49151bb2d7e
sha512 0cce269834083567803dfb81b1d6069eada4b2436f795014fc787662d79d70bdf4d6d39880b36727b0da4545e5f0a8225ab282009f0146f8f164e9567222a905
ripemd-160 f5f8d7a32cf421b0f8b50562c000ae180479efda

20495989 as geometric shapes

Circle

Radius = n
Diameter 40991978
Circumference 128780096.94091
Area 1.31973772516E+15

Sphere

Radius = n
Volume 3.6065773197018E+22
Surface area 5.2789509006398E+15
Circumference 128780096.94091

Square

Length = n
Perimeter 81983956
Area 420085565088121
Diagonal 28985705.61805

Cube

Length = n
Surface area 2520513390528726
Volume 8.6100691211049E+21
Space diagonal 35500094.299373

Equilateral Triangle

Length = n
Perimeter 61487967
Area 1.8190238556473E+14
Altitude 17750047.149686

Triangular Pyramid

Length = n
Surface area 1.8190238556473E+14
Volume 1.014706377003E+21
Height 9661901.8726833