21551009 (number)

21551009 is an odd 8-digits composite number following 21551008 and preceding 21551010. In scientific notation, it is written as 2.1551009 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 21468804 positive integers (up to 21551009) that are relatively prime to 21551009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551009 × 10^7
Engineering notation 2.1551009 × 10^6

Prime Factorization of 21551009

Prime Factorization 263 × 81943

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21551009
Product of the distinct prime numbers

The prime factorization of 21551009 is 263 × 81943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551009)

Multiplication

n×y
n×2 43102018
n×3 64653027
n×4 86204036
n×5 107755045

Division

n÷y
n÷2 10775504.5
n÷3 7183669.6666667
n÷3 5387752.25
n÷5 4310201.8

Exponentiation

ny
n2 464445988918081
n3 1.0009279687187E+22
n4 2.1571007662209E+29
n5 4.6487698026734E+36

Nth Root

y√n
2√n 4642.306431075
3√n 278.2846187069
4√n 68.134473147409
5√n 29.288256655816

Divisors of 21551009

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 -21551008
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 21551009 can be divided by 4 positive divisors. The sum of these divisors (counting 21551009) is 1, the average is 0.25.

Base conversion 21551009

Base System Value
2 Binary 1010010001101011110100001
3 Ternary 1111112220102112
4 Quaternary 1102031132201
5 Quinary 21004113014
6 Senary 2045525105
8 Octal 122153641
10 Decimal 21551009
12 Duodecimal 7273795
16 Hexadecimal 148d7a1
20 Vigesimal 6edha9
36 Base36 ctwv5

Cryptographic Hash Functions

md5 eb73b316335f52b38630f0328386b5b1
sha1 2b136bf0b92d7b0d257e3a0b60ec2ba52631b2ac
sha256 24a45559a8bb41d3295689f94f4dc51ddd9a5276cdfc5cfd02d836b8d4786916
sha512 2093c35a80f79aaece335087d6860e4ff302c6c9e6824b89fcc8753891cf599866516be88c9fb85339f695c714323e88482ba1916db94cd72af0c5e876835b70
ripemd-160 6ece56d25dea1d2ad47022893ada6ba1ad950cbd

21551009 as geometric shapes

Circle

Radius = n
Diameter 43102018
Circumference 135408983.1037
Area 1.4591001067743E+15

Sphere

Radius = n
Volume 4.1926772710658E+22
Surface area 5.8364004270972E+15
Circumference 135408983.1037

Square

Length = n
Perimeter 86204036
Area 464445988918081
Diagonal 30477729.210625

Cube

Length = n
Surface area 2786675933508486
Volume 1.0009279687187E+22
Space diagonal 37327442.542374

Equilateral Triangle

Length = n
Perimeter 64653027
Area 2.0111101254442E+14
Altitude 18663721.271187

Triangular Pyramid

Length = n
Surface area 2.0111101254442E+14
Volume 1.1796049236005E+21
Height 10159243.070208