21131207 (number)

21131207 is an odd 8-digits composite number following 21131206 and preceding 21131208. In scientific notation, it is written as 2.1131207 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 21014280 positive integers (up to 21131207) that are relatively prime to 21131207.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred seven

Notation

Scientific notation 2.1131207 × 10^7
Engineering notation 2.1131207 × 10^6

Prime Factorization of 21131207

Prime Factorization 181 × 116747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131207
Product of the distinct prime numbers

The prime factorization of 21131207 is 181 × 116747. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131207)

Multiplication

n×y
n×2 42262414
n×3 63393621
n×4 84524828
n×5 105656035

Division

n÷y
n÷2 10565603.5
n÷3 7043735.6666667
n÷3 5282801.75
n÷5 4226241.4

Exponentiation

ny
n2 446527909276849
n3 9.4356736822063E+21
n4 1.9938717376315E+29
n5 4.2132916419342E+36

Nth Root

y√n
2√n 4596.8692607034
3√n 276.46581267193
4√n 67.800215786555
5√n 29.173253168085

Divisors of 21131207

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 -21131206
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 21131207 can be divided by 4 positive divisors. The sum of these divisors (counting 21131207) is 1, the average is 0.25.

Base conversion 21131207

Base System Value
2 Binary 1010000100110111111000111
3 Ternary 1110202120120022
4 Quaternary 1100212333013
5 Quinary 20402144312
6 Senary 2032525355
8 Octal 120467707
10 Decimal 21131207
12 Duodecimal 70b085b
16 Hexadecimal 1426fc7
20 Vigesimal 6c1807
36 Base36 ckwxz

Cryptographic Hash Functions

md5 e1050222526c24c2bc6c74bdb34c238d
sha1 8ada7295f07208ec4d738b5a5f79155fd602e9f8
sha256 9f02beb65c18631a83749569111f6b479544f3ef3d489b4bd4d9e62e5a47a26d
sha512 dd80914bb29e41c4729e2d95118614e4eaf371e6ce06537eacdde5bd16874270581b94edd5f5f074444d7bae91043ad0bc3aca13f66645d8e86ddd5a9c099440
ripemd-160 53d2ec5dd4e1bd151a196afde1e26b49ed720e0b

21131207 as geometric shapes

Circle

Radius = n
Diameter 42262414
Circumference 132771289.34537
Area 1.402808799407E+15

Sphere

Radius = n
Volume 3.9524057495587E+22
Surface area 5.6112351976278E+15
Circumference 132771289.34537

Square

Length = n
Perimeter 84524828
Area 446527909276849
Diagonal 29884039.528713

Cube

Length = n
Surface area 2679167455661094
Volume 9.4356736822063E+21
Space diagonal 36600324.149255

Equilateral Triangle

Length = n
Perimeter 63393621
Area 1.9335225646625E+14
Altitude 18300162.074628

Triangular Pyramid

Length = n
Surface area 1.9335225646625E+14
Volume 1.1120048076253E+21
Height 9961346.5095711