21100 (number)

21100 is an even 5-digits composite number following 21099 and preceding 21101. In scientific notation, it is written as 2.1100 × 10^4. The sum of its digits is 4. It has a total of 4 prime factors and 12 positive divisors. There are 8400 positive integers (up to 21100) that are relatively prime to 21100.

Interesting facts

Basic properties

Name

Name twenty-one thousand one hundred

Notation

Scientific notation 2.1100 × 10^4
Engineering notation 2.1100 × 10^3

Prime Factorization of 21100

Prime Factorization 2 × 2 × 25 × 211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10550
Product of the distinct prime numbers

The prime factorization of 21100 is 2 × 2 × 25 × 211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 3, 46, 669, 583, 390, 4609, 81206, 8326, 424504, 752846, 8639361, 1225447, 62771975, 68816496, 896521569, 414542368, 8299993299, 1932158133

Basic calculations (n = 21100)

Multiplication

n×y
n×2 42200
n×3 63300
n×4 84400
n×5 105500

Division

n÷y
n÷2 10550
n÷3 7033.3333333333
n÷3 5275
n÷5 4220

Exponentiation

ny
n2 445210000
n3 9393931000000
n4 198211944100000000
n5 4.18227202051E+21

Nth Root

y√n
2√n 145.25839046334
3√n 27.632964882546
4√n 12.052318883241
5√n 7.3258241747122

Divisors of 21100

1, 2, 4, 25, 50, 100, 211, 422, 844, 5275, 10550, 21100

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21099
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21100 can be divided by 12 positive divisors. The sum of these divisors (counting 21100) is 1, the average is 0.083333333333333.

Base conversion 21100

Base System Value
2 Binary 101001001101100
3 Ternary 1001221111
4 Quaternary 11021230
5 Quinary 1133400
6 Senary 241404
8 Octal 51154
10 Decimal 21100
12 Duodecimal 10264
16 Hexadecimal 526c
20 Vigesimal 2cf0
36 Base36 ga4

Cryptographic Hash Functions

md5 bdbd38069899d6d54d7c8547f4c6b77c
sha1 59b93f94217811599a1e72d5a433f0ad5e5faece
sha256 75bae64a11d6ea6530544e19c2eebfbc944cd3eddf8e0d0873fbfc8373ee0e50
sha512 7ea1df73f9677b1030fa1b3bf3328e957cbe95d54bd56b37a4e242cf0c5944c039c08fab81bd0e1b1ecdeafe4d89c363a9c26f61ec616715002def18c4e322d6
ripemd-160 61ccca31e70905e95ccb309ffab150a9b5b9b0dd

21100 as geometric shapes

Circle

Radius = n
Diameter 42200
Circumference 132575.20998149
Area 1398668465.3047

Sphere

Radius = n
Volume 39349206157239
Surface area 5594673861.2188
Circumference 132575.20998149

Square

Length = n
Perimeter 84400
Area 445210000
Diagonal 29839.906166072

Cube

Length = n
Surface area 2671260000
Volume 9393931000000
Space diagonal 36546.272039703

Equilateral Triangle

Length = n
Perimeter 63300
Area 192781585.00943
Altitude 18273.136019852

Triangular Pyramid

Length = n
Surface area 192781585.00943
Volume 1107085385349.8
Height 9946.6353886908