21126989 (number)

21126989 is an odd 8-digits composite number following 21126988 and preceding 21126990. In scientific notation, it is written as 2.1126989 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19501824 positive integers (up to 21126989) that are relatively prime to 21126989.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.1126989 × 10^7
Engineering notation 2.1126989 × 10^6

Prime Factorization of 21126989

Prime Factorization 13 × 1625153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21126989
Product of the distinct prime numbers

The prime factorization of 21126989 is 13 × 1625153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21126989)

Multiplication

n×y
n×2 42253978
n×3 63380967
n×4 84507956
n×5 105634945

Division

n÷y
n÷2 10563494.5
n÷3 7042329.6666667
n÷3 5281747.25
n÷5 4225397.8

Exponentiation

ny
n2 446349664206121
n3 9.4300244458364E+21
n4 1.9922802273692E+29
n5 4.2090882448546E+36

Nth Root

y√n
2√n 4596.4104472947
3√n 276.44741633522
4√n 67.796832133181
5√n 29.172088420533

Divisors of 21126989

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 -21126988
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 21126989 can be divided by 4 positive divisors. The sum of these divisors (counting 21126989) is 1, the average is 0.25.

Base conversion 21126989

Base System Value
2 Binary 1010000100101111101001101
3 Ternary 1110202100210002
4 Quaternary 1100211331031
5 Quinary 20402030424
6 Senary 2032454045
8 Octal 120457515
10 Decimal 21126989
12 Duodecimal 70aa325
16 Hexadecimal 1425f4d
20 Vigesimal 6c0h99
36 Base36 cktot

Cryptographic Hash Functions

md5 c07a9c9a6e3f5c8ed5651ac1df89696c
sha1 727b87555539a97af51e9eb004b2690913ff4281
sha256 3913e6ea52784a0f4bdb833532c2486b69beeb1adb167c3b71df1f465446db45
sha512 044fe571278865ec1ee6b9e4baddcd0dada0f36404547d5c8399b940c3fa8e9aea38bee158da59fd4d121abde4c9f6a73d0593efdcf457350d4c37b0c4438d88
ripemd-160 b677852464031b09338a92b94a32051893fcb74f

21126989 as geometric shapes

Circle

Radius = n
Diameter 42253978
Circumference 132744786.86974
Area 1.4022488260022E+15

Sphere

Radius = n
Volume 3.9500394029616E+22
Surface area 5.6089953040089E+15
Circumference 132744786.86974

Square

Length = n
Perimeter 84507956
Area 446349664206121
Diagonal 29878074.375907

Cube

Length = n
Surface area 2678097985236726
Volume 9.4300244458364E+21
Space diagonal 36593018.358949

Equilateral Triangle

Length = n
Perimeter 63380967
Area 1.9327507408658E+14
Altitude 18296509.179474

Triangular Pyramid

Length = n
Surface area 1.9327507408658E+14
Volume 1.1113390387343E+21
Height 9959358.1253024