20218989 (number)

20218989 is an odd 8-digits composite number following 20218988 and preceding 20218990. In scientific notation, it is written as 2.0218989 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 11515392 positive integers (up to 20218989) that are relatively prime to 20218989.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighteen thousand nine hundred eighty-nine

Notation

Scientific notation 2.0218989 × 10^7
Engineering notation 2.0218989 × 10^6

Prime Factorization of 20218989

Prime Factorization 21 × 337 × 2857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20218989
Product of the distinct prime numbers

The prime factorization of 20218989 is 21 × 337 × 2857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20218989)

Multiplication

n×y
n×2 40437978
n×3 60656967
n×4 80875956
n×5 101094945

Division

n÷y
n÷2 10109494.5
n÷3 6739663
n÷3 5054747.25
n÷5 4043797.8

Exponentiation

ny
n2 408807516182121
n3 8.2656746728036E+21
n4 1.67123585287E+29
n5 3.3790699325583E+36

Nth Root

y√n
2√n 4496.5530131424
3√n 272.42888024208
4√n 67.056342079943
5√n 28.916910258872

Divisors of 20218989

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 -20218988
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 20218989 can be divided by 8 positive divisors. The sum of these divisors (counting 20218989) is 1, the average is 0.125.

Base conversion 20218989

Base System Value
2 Binary 1001101001000010001101101
3 Ternary 1102001020020110
4 Quaternary 1031020101231
5 Quinary 20134001424
6 Senary 2001210233
8 Octal 115102155
10 Decimal 20218989
12 Duodecimal 6930979
16 Hexadecimal 134846d
20 Vigesimal 667799
36 Base36 c1d2l

Cryptographic Hash Functions

md5 0ff9a3496dc6892688a7ebc256c32a38
sha1 0ca5034bd97d89e5bf70d791470f538120b67991
sha256 0ede157be3cddd42cc3a1dc8d22b83733c642e2b3bb8a836958af15be8826cec
sha512 76bfb2c6f3e2a1afa66dba1c6a2bf95778a459c15e90ded660782a8f7a8028c1795a8ec4aa5b332a9aea9565f584302bb8f7b70d62a2841d24503b546ee4e15d
ripemd-160 11c063c46621ba384f362235811cbc6d51f3b55f

20218989 as geometric shapes

Circle

Radius = n
Diameter 40437978
Circumference 127039654.61083
Area 1.28430668957E+15

Sphere

Radius = n
Volume 3.4623177105391E+22
Surface area 5.1372267582802E+15
Circumference 127039654.61083

Square

Length = n
Perimeter 80875956
Area 408807516182121
Diagonal 28593968.461272

Cube

Length = n
Surface area 2452845097092726
Volume 8.2656746728036E+21
Space diagonal 35020316.225676

Equilateral Triangle

Length = n
Perimeter 60656967
Area 1.7701884713587E+14
Altitude 17510158.112838

Triangular Pyramid

Length = n
Surface area 1.7701884713587E+14
Volume 9.7411910203689E+20
Height 9531322.8204241