21495904 (number)

21495904 is an even 8-digits composite number following 21495903 and preceding 21495905. In scientific notation, it is written as 2.1495904 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 24 positive divisors. There are 10688640 positive integers (up to 21495904) that are relatively prime to 21495904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495904 × 10^7
Engineering notation 2.1495904 × 10^6

Prime Factorization of 21495904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 191 × 3517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1343494
Product of the distinct prime numbers

The prime factorization of 21495904 is 2 × 2 × 2 × 2 × 2 × 191 × 3517. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495904)

Multiplication

n×y
n×2 42991808
n×3 64487712
n×4 85983616
n×5 107479520

Division

n÷y
n÷2 10747952
n÷3 7165301.3333333
n÷3 5373976
n÷5 4299180.8

Exponentiation

ny
n2 462073888777216
n3 9.9326959540617E+21
n4 2.135122786897E+29
n5 4.589639445535E+36

Nth Root

y√n
2√n 4636.3675436704
3√n 278.0472290064
4√n 68.090877095763
5√n 29.273263551604

Divisors of 21495904

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495904 can be divided by 24 positive divisors. The sum of these divisors (counting 21495904) is 1, the average is 0.041666666666667.

Base conversion 21495904

Base System Value
2 Binary 1010010000000000001100000
3 Ternary 1111110002211121
4 Quaternary 1102000001200
5 Quinary 21000332104
6 Senary 2044422024
8 Octal 122000140
10 Decimal 21495904
12 Duodecimal 7247914
16 Hexadecimal 1480060
20 Vigesimal 6e6jf4
36 Base36 csqcg

Cryptographic Hash Functions

md5 3e0a3c5067f38060786ea0f40cf5c442
sha1 8fbc591d7189c5f2f1fcb878f6be10a8568f1117
sha256 b453fee2041ae1fcde0f1b09f9688d155017a35f9d81a06effe17bf95d788190
sha512 e21fb865dccab2a78af438aefe7e75c50feaeb7805213e0df154b3ab3941397316b6ae3ee37edc5600a5de99ffdc19692978ba9cc3850b12267247f47b5042d8
ripemd-160 19b73130e64338bf1a2a2a19877dd16e344cd812

21495904 as geometric shapes

Circle

Radius = n
Diameter 42991808
Circumference 135062748.17734
Area 1.4516479343982E+15

Sphere

Radius = n
Volume 4.1605979519495E+22
Surface area 5.8065917375927E+15
Circumference 135062748.17734

Square

Length = n
Perimeter 85983616
Area 462073888777216
Diagonal 30399798.97227

Cube

Length = n
Surface area 2772443332663296
Volume 9.9326959540617E+21
Space diagonal 37231997.882623

Equilateral Triangle

Length = n
Perimeter 64487712
Area 2.0008386305327E+14
Altitude 18615998.941312

Triangular Pyramid

Length = n
Surface area 2.0008386305327E+14
Volume 1.1705794440969E+21
Height 10133266.32409