21297906 (number)

21297906 is an even 8-digits composite number following 21297905 and preceding 21297907. In scientific notation, it is written as 2.1297906 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 96 positive divisors. There are 5598720 positive integers (up to 21297906) that are relatively prime to 21297906.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-seven thousand nine hundred six

Notation

Scientific notation 2.1297906 × 10^7
Engineering notation 2.1297906 × 10^6

Prime Factorization of 21297906

Prime Factorization 2 × 7 × 3 × 3 × 17 × 61 × 163

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 7099302
Product of the distinct prime numbers

The prime factorization of 21297906 is 2 × 7 × 3 × 3 × 17 × 61 × 163. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21297906)

Multiplication

n×y
n×2 42595812
n×3 63893718
n×4 85191624
n×5 106489530

Division

n÷y
n÷2 10648953
n÷3 7099302
n÷3 5324476.5
n÷5 4259581.2

Exponentiation

ny
n2 453600799984836
n3 9.6607471996018E+21
n4 2.0575368574688E+29
n5 4.3821226581907E+36

Nth Root

y√n
2√n 4614.9654386572
3√n 277.19090004671
4√n 67.933536921444
5√n 29.219136762639

Divisors of 21297906

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21297905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21297906 can be divided by 96 positive divisors. The sum of these divisors (counting 21297906) is 1, the average is 0.010416666666667.

Base conversion 21297906

Base System Value
2 Binary 1010001001111101011110010
3 Ternary 1111002001020100
4 Quaternary 1101033223302
5 Quinary 20423013111
6 Senary 2040253230
8 Octal 121175362
10 Decimal 21297906
12 Duodecimal 7171216
16 Hexadecimal 144faf2
20 Vigesimal 6d24f6
36 Base36 cohki

Cryptographic Hash Functions

md5 d46bc9d0d58dd9a41a47c8d99d85957f
sha1 76b36c52746322d13f56dc69c0a5d0d6762882fa
sha256 f62d084eba7ab8c51a26f4f7f6f8e8d30d79dd1c94325e19b78122a852ffa50b
sha512 84eb656ddcc3f6c05a3d4cf78fa8cf83208d2dd8b02a81428b6b84f76f6371848e3699d7f1e3de8be03d3df7b93c417ff9efad6a9b5944a3d52cfd4d3ee8b683
ripemd-160 aed1795187efa4f8f218ac10fbbc5851a2255db7

21297906 as geometric shapes

Circle

Radius = n
Diameter 42595812
Circumference 133818690.05289
Area 1.4250289408948E+15

Sphere

Radius = n
Volume 4.046684324061E+22
Surface area 5.7001157635793E+15
Circumference 133818690.05289

Square

Length = n
Perimeter 85191624
Area 453600799984836
Diagonal 30119787.515347

Cube

Length = n
Surface area 2721604799909016
Volume 9.6607471996018E+21
Space diagonal 36889055.286826

Equilateral Triangle

Length = n
Perimeter 63893718
Area 1.9641490798191E+14
Altitude 18444527.643413

Triangular Pyramid

Length = n
Surface area 1.9641490798191E+14
Volume 1.1385299760279E+21
Height 10039929.171782