21497907 (number)

21497907 is an odd 8-digits composite number following 21497906 and preceding 21497908. In scientific notation, it is written as 2.1497907 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14243688 positive integers (up to 21497907) that are relatively prime to 21497907.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred seven

Notation

Scientific notation 2.1497907 × 10^7
Engineering notation 2.1497907 × 10^6

Prime Factorization of 21497907

Prime Factorization 3 × 163 × 43963

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497907
Product of the distinct prime numbers

The prime factorization of 21497907 is 3 × 163 × 43963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497907)

Multiplication

n×y
n×2 42995814
n×3 64493721
n×4 85991628
n×5 107489535

Division

n÷y
n÷2 10748953.5
n÷3 7165969
n÷3 5374476.75
n÷5 4299581.4

Exponentiation

ny
n2 462160005380649
n3 9.9354728147927E+21
n4 2.1359187057344E+29
n5 4.5917781695439E+36

Nth Root

y√n
2√n 4636.5835482605
3√n 278.0558649354
4√n 68.092463226561
5√n 29.273809070988

Divisors of 21497907

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497907 can be divided by 8 positive divisors. The sum of these divisors (counting 21497907) is 1, the average is 0.125.

Base conversion 21497907

Base System Value
2 Binary 1010010000000100000110011
3 Ternary 1111110012120210
4 Quaternary 1102000200303
5 Quinary 21000413112
6 Senary 2044435203
8 Octal 122004063
10 Decimal 21497907
12 Duodecimal 7248b03
16 Hexadecimal 1480833
20 Vigesimal 6e74f7
36 Base36 csrw3

Cryptographic Hash Functions

md5 957c00f492d2012614f83d3adcb35766
sha1 4f02e059fd43368aeb47258b3473e781614539b9
sha256 8083e098a54ba3efe24a9c9c16ee66384b02770a9cb8d0aee06431ce0ea8afd1
sha512 664c4d7e8a52cbbc96bd60d18c2cf1934bfd422b5c440555eda4f77a66468454db1f193cbc6d3b742e9708f90561191bb6d917e6bc11007595e3213382964478
ripemd-160 f4590581479fabf4ad2815508551abb8e0c77a0f

21497907 as geometric shapes

Circle

Radius = n
Diameter 42995814
Circumference 135075333.39751
Area 1.4519184776869E+15

Sphere

Radius = n
Volume 4.1617611206525E+22
Surface area 5.8076739107475E+15
Circumference 135075333.39751

Square

Length = n
Perimeter 85991628
Area 462160005380649
Diagonal 30402631.642035

Cube

Length = n
Surface area 2772960032283894
Volume 9.9354728147927E+21
Space diagonal 37235467.180391

Equilateral Triangle

Length = n
Perimeter 64493721
Area 2.001211526364E+14
Altitude 18617733.590195

Triangular Pyramid

Length = n
Surface area 2.001211526364E+14
Volume 1.1709067002724E+21
Height 10134210.547345