21497798 (number)

21497798 is an even 8-digits composite number following 21497797 and preceding 21497799. In scientific notation, it is written as 2.1497798 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors. There are 8975232 positive integers (up to 21497798) that are relatively prime to 21497798.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497798 × 10^7
Engineering notation 2.1497798 × 10^6

Prime Factorization of 21497798

Prime Factorization 2 × 7 × 107 × 113 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21497798
Product of the distinct prime numbers

The prime factorization of 21497798 is 2 × 7 × 107 × 113 × 127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497798)

Multiplication

n×y
n×2 42995596
n×3 64493394
n×4 85991192
n×5 107488990

Division

n÷y
n÷2 10748899
n÷3 7165932.6666667
n÷3 5374449.5
n÷5 4299559.6

Exponentiation

ny
n2 462155318848804
n3 9.9353216892372E+21
n4 2.1358753874024E+29
n5 4.5916617631548E+36

Nth Root

y√n
2√n 4636.5717939012
3√n 278.055394996
4√n 68.092376914756
5√n 29.273779385757

Divisors of 21497798

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 -21497797
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 21497798 can be divided by 32 positive divisors. The sum of these divisors (counting 21497798) is 1, the average is 0.03125.

Base conversion 21497798

Base System Value
2 Binary 1010010000000011111000110
3 Ternary 1111110012102202
4 Quaternary 1102000133012
5 Quinary 21000412143
6 Senary 2044434502
8 Octal 122003706
10 Decimal 21497798
12 Duodecimal 7248a32
16 Hexadecimal 14807c6
20 Vigesimal 6e749i
36 Base36 csrt2

Cryptographic Hash Functions

md5 41f3639e4721c4e79051895db6aec98f
sha1 7370f91ca9755bd4b0f45c48676f91ca7b86565e
sha256 c30b7e9ec4d08852ddb740bb135d8d74cc2eedf95f31ee6c6a895cdb617df2e8
sha512 8978c38872f320986dea6819cdf4738a65f93e55c63d9bf97162044a31f025727fe5134c8d81ff8c35a878d827a23ae0c29d013607ad8a04a4ae5cd9d8e14dc1
ripemd-160 985bc3c6327f89277116b45b6f22bc07078b74fa

21497798 as geometric shapes

Circle

Radius = n
Diameter 42995596
Circumference 135074648.53031
Area 1.4519037545129E+15

Sphere

Radius = n
Volume 4.1616978173278E+22
Surface area 5.8076150180514E+15
Circumference 135074648.53031

Square

Length = n
Perimeter 85991192
Area 462155318848804
Diagonal 30402477.492757

Cube

Length = n
Surface area 2772931913092824
Volume 9.9353216892372E+21
Space diagonal 37235278.386853

Equilateral Triangle

Length = n
Perimeter 64493394
Area 2.0011912330858E+14
Altitude 18617639.193426

Triangular Pyramid

Length = n
Surface area 2.0011912330858E+14
Volume 1.1708888899549E+21
Height 10134159.164252