21495912 (number)

21495912 is an even 8-digits composite number following 21495911 and preceding 21495913. In scientific notation, it is written as 2.1495912 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 7047360 positive integers (up to 21495912) that are relatively prime to 21495912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495912 × 10^7
Engineering notation 2.1495912 × 10^6

Prime Factorization of 21495912

Prime Factorization 2 × 2 × 2 × 3 × 61 × 14683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5373978
Product of the distinct prime numbers

The prime factorization of 21495912 is 2 × 2 × 2 × 3 × 61 × 14683. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495912)

Multiplication

n×y
n×2 42991824
n×3 64487736
n×4 85983648
n×5 107479560

Division

n÷y
n÷2 10747956
n÷3 7165304
n÷3 5373978
n÷5 4299182.4

Exponentiation

ny
n2 462074232711744
n3 9.9327070438392E+21
n4 2.1351259653615E+29
n5 4.5896479860325E+36

Nth Root

y√n
2√n 4636.3684064147
3√n 278.04726349944
4√n 68.090883431005
5√n 29.273265730494

Divisors of 21495912

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495912 can be divided by 32 positive divisors. The sum of these divisors (counting 21495912) is 1, the average is 0.03125.

Base conversion 21495912

Base System Value
2 Binary 1010010000000000001101000
3 Ternary 1111110002211220
4 Quaternary 1102000001220
5 Quinary 21000332122
6 Senary 2044422040
8 Octal 122000150
10 Decimal 21495912
12 Duodecimal 7247920
16 Hexadecimal 1480068
20 Vigesimal 6e6jfc
36 Base36 csqco

Cryptographic Hash Functions

md5 04cf899d9aae5fe83002537f50992c2e
sha1 96c984381bee8bc5100779c97571455852fd2433
sha256 987885a626fdca1fd36bf02e8fcc3d344f3c1e283a68e63486e6f37a5ad6c92a
sha512 cc5b7943dda8ce1bbfdc408820ea2b4dce2e3b2323b68b330845adce2ceed80daccbf6cf985da02e1d985b4aeaff4d1221034dc50d10895f54a35ccf54438101
ripemd-160 9866657a396d4a91b49604c611f9be05da084738

21495912 as geometric shapes

Circle

Radius = n
Diameter 42991824
Circumference 135062798.44283
Area 1.4516490149004E+15

Sphere

Radius = n
Volume 4.1606025972246E+22
Surface area 5.8065960596014E+15
Circumference 135062798.44283

Square

Length = n
Perimeter 85983648
Area 462074232711744
Diagonal 30399810.285979

Cube

Length = n
Surface area 2772445396270464
Volume 9.9327070438392E+21
Space diagonal 37232011.73903

Equilateral Triangle

Length = n
Perimeter 64487736
Area 2.0008401198129E+14
Altitude 18616005.869515

Triangular Pyramid

Length = n
Surface area 2.0008401198129E+14
Volume 1.1705807510397E+21
Height 10133270.095326