20543989 (number)

20543989 is an odd 8-digits composite number following 20543988 and preceding 20543990. In scientific notation, it is written as 2.0543989 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20494540 positive integers (up to 20543989) that are relatively prime to 20543989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0543989 × 10^7
Engineering notation 2.0543989 × 10^6

Prime Factorization of 20543989

Prime Factorization 419 × 49031

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20543989
Product of the distinct prime numbers

The prime factorization of 20543989 is 419 × 49031. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20543989)

Multiplication

n×y
n×2 41087978
n×3 61631967
n×4 82175956
n×5 102719945

Division

n÷y
n÷2 10271994.5
n÷3 6847996.3333333
n÷3 5135997.25
n÷5 4108797.8

Exponentiation

ny
n2 422055484032121
n3 8.6707032213456E+21
n4 1.7813083160159E+29
n5 3.6595178449839E+36

Nth Root

y√n
2√n 4532.5477383035
3√n 273.88080222098
4√n 67.324198757234
5√n 29.009280325186

Divisors of 20543989

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 -20543988
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 20543989 can be divided by 4 positive divisors. The sum of these divisors (counting 20543989) is 1, the average is 0.25.

Base conversion 20543989

Base System Value
2 Binary 1001110010111100111110101
3 Ternary 1102122202001111
4 Quaternary 1032113213311
5 Quinary 20224401424
6 Senary 2012155021
8 Octal 116274765
10 Decimal 20543989
12 Duodecimal 6a68a71
16 Hexadecimal 13979f5
20 Vigesimal 687jj9
36 Base36 c8bud

Cryptographic Hash Functions

md5 64b18109ac17f0fba088c5146ea287b8
sha1 58401b72a1065b7f2fc8392eea9406a21e0f93c8
sha256 b3b3d2fad1cbef899f19b79aea02baaea0a4ce4c502302191c868b8694585a49
sha512 0332e87be680e74714f3e2d159eb756d93b97ab2b0a1418f5dd7124fc7b5178c1e97ba0faf2f2aae01c0fa44fadacec731107569375636d125d0c8113d0d10b5
ripemd-160 6b40e1d5059bbbb59708e1b0addec64e95934081

20543989 as geometric shapes

Circle

Radius = n
Diameter 41087978
Circumference 129081689.83566
Area 1.3259264080426E+15

Sphere

Radius = n
Volume 3.6319756722182E+22
Surface area 5.3037056321704E+15
Circumference 129081689.83566

Square

Length = n
Perimeter 82175956
Area 422055484032121
Diagonal 29053587.869044

Cube

Length = n
Surface area 2532332904192726
Volume 8.6707032213456E+21
Space diagonal 35583232.738136

Equilateral Triangle

Length = n
Perimeter 61631967
Area 1.8275538548918E+14
Altitude 17791616.369068

Triangular Pyramid

Length = n
Surface area 1.8275538548918E+14
Volume 1.0218521742449E+21
Height 9684529.2896812