21552989 (number)

21552989 is an odd 8-digits composite number following 21552988 and preceding 21552990. In scientific notation, it is written as 2.1552989 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21540156 positive integers (up to 21552989) that are relatively prime to 21552989.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-two thousand nine hundred eighty-nine

Notation

Scientific notation 2.1552989 × 10^7
Engineering notation 2.1552989 × 10^6

Prime Factorization of 21552989

Prime Factorization 1987 × 10847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21552989
Product of the distinct prime numbers

The prime factorization of 21552989 is 1987 × 10847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21552989)

Multiplication

n×y
n×2 43105978
n×3 64658967
n×4 86211956
n×5 107764945

Division

n÷y
n÷2 10776494.5
n÷3 7184329.6666667
n÷3 5388247.25
n÷5 4310597.8

Exponentiation

ny
n2 464531334834121
n3 1.0012038749835E+22
n4 2.1578936104277E+29
n5 4.6509057248719E+36

Nth Root

y√n
2√n 4642.5196822415
3√n 278.29314091687
4√n 68.136038058002
5√n 29.288794808041

Divisors of 21552989

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 -21552988
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 21552989 can be divided by 4 positive divisors. The sum of these divisors (counting 21552989) is 1, the average is 0.25.

Base conversion 21552989

Base System Value
2 Binary 1010010001101111101011101
3 Ternary 1111120000010212
4 Quaternary 1102031331131
5 Quinary 21004143424
6 Senary 2045542205
8 Octal 122157535
10 Decimal 21552989
12 Duodecimal 7274965
16 Hexadecimal 148df5d
20 Vigesimal 6ee299
36 Base36 ctye5

Cryptographic Hash Functions

md5 fbe2bfec8df6a3f9c81b190da8b234cb
sha1 ab5f62c36c210de56c282b15185c55d7f9a48697
sha256 b833d941a24b5ffe274fcf53b8913898ecee7fe94010ec665c719941099d58ed
sha512 f055ba11e7869c54d1cfc49a404da0c392792f2e0a432c6a6cd085763968cd36a60c092542698a6a9d4c982e4ef8d3e04e9224d885143ee651dd15ed2d854fb4
ripemd-160 85f05172a748ffddb7c147779151db7b46706978

21552989 as geometric shapes

Circle

Radius = n
Diameter 43105978
Circumference 135421423.8106
Area 1.4593682288771E+15

Sphere

Radius = n
Volume 4.1938329845251E+22
Surface area 5.8374729155085E+15
Circumference 135421423.8106

Square

Length = n
Perimeter 86211956
Area 464531334834121
Diagonal 30480529.353478

Cube

Length = n
Surface area 2787188009004726
Volume 1.0012038749835E+22
Space diagonal 37330872.002973

Equilateral Triangle

Length = n
Perimeter 64658967
Area 2.0114796841012E+14
Altitude 18665436.001487

Triangular Pyramid

Length = n
Surface area 2.0114796841012E+14
Volume 1.1799300822518E+21
Height 10160176.451159