21497427 (number)

21497427 is an odd 8-digits composite number following 21497426 and preceding 21497428. In scientific notation, it is written as 2.1497427 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12283488 positive integers (up to 21497427) that are relatively prime to 21497427.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497427 × 10^7
Engineering notation 2.1497427 × 10^6

Prime Factorization of 21497427

Prime Factorization 3 × 7 × 63 × 16249

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497427
Product of the distinct prime numbers

The prime factorization of 21497427 is 3 × 7 × 63 × 16249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 10, 32, 816, 219, 4941, 3609, 38776, 21769, 21992, 365368, 307898, 3646915, 99126783, 42847154, 81816108, 721844567, 9213674105, 6462416474

Basic calculations (n = 21497427)

Multiplication

n×y
n×2 42994854
n×3 64492281
n×4 85989708
n×5 107487135

Division

n÷y
n÷2 10748713.5
n÷3 7165809
n÷3 5374356.75
n÷5 4299485.4

Exponentiation

ny
n2 462139367620329
n3 9.9348073192442E+21
n4 2.1357279510452E+29
n5 4.5912655719453E+36

Nth Root

y√n
2√n 4636.5317857209
3√n 278.05379546559
4√n 68.092083135419
5√n 29.273678346133

Divisors of 21497427

1, 3, 7, 21, 63, 189, 441, 1323, 16249, 48747, 113743, 341229, 1023687, 3071061, 7165809, 21497427

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497426
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497427 can be divided by 16 positive divisors. The sum of these divisors (counting 21497427) is 1, the average is 0.0625.

Base conversion 21497427

Base System Value
2 Binary 1010010000000011001010011
3 Ternary 1111110011221000
4 Quaternary 1102000121103
5 Quinary 21000404202
6 Senary 2044433043
8 Octal 122003123
10 Decimal 21497427
12 Duodecimal 7248783
16 Hexadecimal 1480653
20 Vigesimal 6e73b7
36 Base36 csrir

Cryptographic Hash Functions

md5 785b598a62bf2f6a352687fb09033535
sha1 5e6d442782a83962e13c2dd5fc5f6bea9f2faa25
sha256 7d5a0c91f969e7d9afca6e697b289f5fec6329d7f7331df2b3632c28c4ade597
sha512 246c024e066af4ab226cafb1586f0dc7ac8c23c6e3fd1ec776b8aad6451f2b30e211cb08dce5924b7b9b5b0fbf607d3f2de93ee53b1a1b1add262f1279a3a519
ripemd-160 3696bf4309ca46ab82ee4182379002a7567c6db1

21497427 as geometric shapes

Circle

Radius = n
Diameter 42994854
Circumference 135072317.46857
Area 1.4518536422507E+15

Sphere

Radius = n
Volume 4.161482358529E+22
Surface area 5.8074145690026E+15
Circumference 135072317.46857

Square

Length = n
Perimeter 85989708
Area 462139367620329
Diagonal 30401952.819526

Cube

Length = n
Surface area 2772836205721974
Volume 9.9348073192442E+21
Space diagonal 37234635.796003

Equilateral Triangle

Length = n
Perimeter 64492281
Area 2.0011221622404E+14
Altitude 18617317.898001

Triangular Pyramid

Length = n
Surface area 2.0011221622404E+14
Volume 1.1708282708699E+21
Height 10133984.273175