21409906 (number)

21409906 is an even 8-digits composite number following 21409905 and preceding 21409907. In scientific notation, it is written as 2.1409906 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9175668 positive integers (up to 21409906) that are relatively prime to 21409906.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred nine thousand nine hundred six

Notation

Scientific notation 2.1409906 × 10^7
Engineering notation 2.1409906 × 10^6

Prime Factorization of 21409906

Prime Factorization 2 × 7 × 1529279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21409906
Product of the distinct prime numbers

The prime factorization of 21409906 is 2 × 7 × 1529279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21409906)

Multiplication

n×y
n×2 42819812
n×3 64229718
n×4 85639624
n×5 107049530

Division

n÷y
n÷2 10704953
n÷3 7136635.3333333
n÷3 5352476.5
n÷5 4281981.2

Exponentiation

ny
n2 458384074928836
n3 9.8139599561233E+21
n4 2.1011596014836E+29
n5 4.4985629558762E+36

Nth Root

y√n
2√n 4627.0839629296
3√n 277.67594177569
4√n 68.022672418316
5√n 29.249803450577

Divisors of 21409906

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 -21409905
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 21409906 can be divided by 8 positive divisors. The sum of these divisors (counting 21409906) is 1, the average is 0.125.

Base conversion 21409906

Base System Value
2 Binary 1010001101011000001110010
3 Ternary 1111021201212111
4 Quaternary 1101223001302
5 Quinary 20440104111
6 Senary 2042515534
8 Octal 121530162
10 Decimal 21409906
12 Duodecimal 7205baa
16 Hexadecimal 146b072
20 Vigesimal 6dg4f6
36 Base36 cqvzm

Cryptographic Hash Functions

md5 367d8d7ca3bb71e7e2805aa17a0b50d7
sha1 c4f6db7c1af2895efaf8b36a4f369e9c73e9d36b
sha256 dc5bc418a3d4b81fd9d1c4c7aabe1614800de6ea22bcd3ea98340cad458f200a
sha512 7fcd724fd8f01f02dd1b73aaf67820a1f6e9233f5bbbf3e0672d0e96686ab1a00e729c290aaa5b34272c9c8bf482bda2a935433cd995d45753bce0f2e1e34605
ripemd-160 8b058bbecbcdfb85460789c9ae3aa443b9294c14

21409906 as geometric shapes

Circle

Radius = n
Diameter 42819812
Circumference 134522406.8073
Area 1.440056042319E+15

Sphere

Radius = n
Volume 4.1108619334375E+22
Surface area 5.7602241692759E+15
Circumference 134522406.8073

Square

Length = n
Perimeter 85639624
Area 458384074928836
Diagonal 30278179.434333

Cube

Length = n
Surface area 2750304449573016
Volume 9.8139599561233E+21
Space diagonal 37083044.977274

Equilateral Triangle

Length = n
Perimeter 64229718
Area 1.984861267893E+14
Altitude 18541522.488637

Triangular Pyramid

Length = n
Surface area 1.984861267893E+14
Volume 1.1565862725447E+21
Height 10092726.478111