21568997 (number)

21568997 is an odd 8-digits composite number following 21568996 and preceding 21568998. In scientific notation, it is written as 2.1568997 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 21500640 positive integers (up to 21568997) that are relatively prime to 21568997.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand nine hundred ninety-seven

Notation

Scientific notation 2.1568997 × 10^7
Engineering notation 2.1568997 × 10^6

Prime Factorization of 21568997

Prime Factorization 317 × 68041

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21568997
Product of the distinct prime numbers

The prime factorization of 21568997 is 317 × 68041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568997)

Multiplication

n×y
n×2 43137994
n×3 64706991
n×4 86275988
n×5 107844985

Division

n÷y
n÷2 10784498.5
n÷3 7189665.6666667
n÷3 5392249.25
n÷5 4313799.4

Exponentiation

ny
n2 465221631586009
n3 1.0034363976014E+22
n4 2.1643116649555E+29
n5 4.668203180849E+36

Nth Root

y√n
2√n 4644.243426006
3√n 278.3620225327
4√n 68.148686164929
5√n 29.293144235368

Divisors of 21568997

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568997 can be divided by 4 positive divisors. The sum of these divisors (counting 21568997) is 1, the average is 0.25.

Base conversion 21568997

Base System Value
2 Binary 1010010010001110111100101
3 Ternary 1111120211002202
4 Quaternary 1102101313211
5 Quinary 21010201442
6 Senary 2050144245
8 Octal 122216745
10 Decimal 21568997
12 Duodecimal 7282085
16 Hexadecimal 1491de5
20 Vigesimal 6eg29h
36 Base36 cuaqt

Cryptographic Hash Functions

md5 cf5b82ad0822fa83118f8e778b193dec
sha1 2e62f3e7c8cff54b4fdb6f2b3cdb0b8e70cf5900
sha256 2aa5c737b56bd73bfbf2259cac0561c570fe00aafb37f355d980e23ef1aa82f1
sha512 a02c50ec3c80d8fc59a183c57d4f54e1842e9a0d1571d478dfb1f6a8ece62ebcf424199effc4bc627443272a7719b683b34db17072c6b5251d5882d31b39a4ca
ripemd-160 f71028ef3a2ff5389bc26aa69d78dc0958051088

21568997 as geometric shapes

Circle

Radius = n
Diameter 43137994
Circumference 135522005.041
Area 1.4615368600817E+15

Sphere

Radius = n
Volume 4.2031845533988E+22
Surface area 5.8461474403267E+15
Circumference 135522005.041

Square

Length = n
Perimeter 86275988
Area 465221631586009
Diagonal 30503168.084185

Cube

Length = n
Surface area 2791329789516054
Volume 1.0034363976014E+22
Space diagonal 37358598.672301

Equilateral Triangle

Length = n
Perimeter 64706991
Area 2.0144687567176E+14
Altitude 18679299.33615

Triangular Pyramid

Length = n
Surface area 2.0144687567176E+14
Volume 1.1825611353889E+21
Height 10167722.694728