21080105 (number)

21080105 is an odd 8-digits composite number following 21080104 and preceding 21080106. In scientific notation, it is written as 2.1080105 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 16471728 positive integers (up to 21080105) that are relatively prime to 21080105.

Interesting facts

Basic properties

Name

Name twenty-one million eighty thousand one hundred five

Notation

Scientific notation 2.1080105 × 10^7
Engineering notation 2.1080105 × 10^6

Prime Factorization of 21080105

Prime Factorization 215 × 98047

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21080105
Product of the distinct prime numbers

The prime factorization of 21080105 is 215 × 98047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21080105)

Multiplication

n×y
n×2 42160210
n×3 63240315
n×4 84320420
n×5 105400525

Division

n÷y
n÷2 10540052.5
n÷3 7026701.6666667
n÷3 5270026.25
n÷5 4216021

Exponentiation

ny
n2 444370826811025
n3 9.3673836881132E+21
n4 1.9746543172071E+29
n5 4.162592034543E+36

Nth Root

y√n
2√n 4591.307547965
3√n 276.24277193539
4√n 67.759187922856
5√n 29.159129452552

Divisors of 21080105

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 -21080104
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 21080105 can be divided by 4 positive divisors. The sum of these divisors (counting 21080105) is 1, the average is 0.25.

Base conversion 21080105

Base System Value
2 Binary 1010000011010100000101001
3 Ternary 1110122222110122
4 Quaternary 1100122200221
5 Quinary 20344030410
6 Senary 2031453025
8 Octal 120324051
10 Decimal 21080105
12 Duodecimal 7087175
16 Hexadecimal 141a829
20 Vigesimal 6bf055
36 Base36 cjtih

Cryptographic Hash Functions

md5 da7113789ca4c50980d648bb5e35d9bc
sha1 9be9a9b376666a1f022ac69dde8842c80a0b93b2
sha256 adc9f9f9629e8f39ddc0fbc4c2e6c7fb1ad01e0dcefb16de5d683fbd058520e5
sha512 99e0ddda528e01175159ddcbc309131005f8535800706e45cd2ee1ab3d03d4b5996be907aad1c06094c6d38fb8d1622ce7eb066b6ce51c77ce7905d437c2c834
ripemd-160 57374035eba041f56515f39b96489e6d09fa2e7b

21080105 as geometric shapes

Circle

Radius = n
Diameter 42160210
Circumference 132450206.0098
Area 1.3960321249791E+15

Sphere

Radius = n
Volume 3.9238005037244E+22
Surface area 5.5841284999166E+15
Circumference 132450206.0098

Square

Length = n
Perimeter 84320420
Area 444370826811025
Diagonal 29811770.387249

Cube

Length = n
Surface area 2666224960866150
Volume 9.3673836881132E+21
Space diagonal 36511812.888887

Equilateral Triangle

Length = n
Perimeter 63240315
Area 1.9241821235952E+14
Altitude 18255906.444443

Triangular Pyramid

Length = n
Surface area 1.9241821235952E+14
Volume 1.1039567546402E+21
Height 9937256.7957496