20998421 (number)

20998421 is an odd 8-digits composite number following 20998420 and preceding 20998422. In scientific notation, it is written as 2.0998421 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20857344 positive integers (up to 20998421) that are relatively prime to 20998421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0998421 × 10^7
Engineering notation 2.0998421 × 10^6

Prime Factorization of 20998421

Prime Factorization 149 × 140929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20998421
Product of the distinct prime numbers

The prime factorization of 20998421 is 149 × 140929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20998421)

Multiplication

n×y
n×2 41996842
n×3 62995263
n×4 83993684
n×5 104992105

Division

n÷y
n÷2 10499210.5
n÷3 6999473.6666667
n÷3 5249605.25
n÷5 4199684.2

Exponentiation

ny
n2 440933684493241
n3 9.2589111400702E+21
n4 1.9442251412078E+29
n5 4.0825658033867E+36

Nth Root

y√n
2√n 4582.4034086929
3√n 275.88550263738
4√n 67.693451741604
5√n 29.136496408586

Divisors of 20998421

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 -20998420
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 20998421 can be divided by 4 positive divisors. The sum of these divisors (counting 20998421) is 1, the average is 0.25.

Base conversion 20998421

Base System Value
2 Binary 1010000000110100100010101
3 Ternary 1110111211102022
4 Quaternary 1100012210111
5 Quinary 20333422141
6 Senary 2030022525
8 Octal 120064425
10 Decimal 20998421
12 Duodecimal 7047a45
16 Hexadecimal 1406915
20 Vigesimal 6b4g11
36 Base36 ci2hh

Cryptographic Hash Functions

md5 190f34e8a42ff7612d91a6ab42046159
sha1 e3cf36c30f279bcc7461e247d4d7ba8b70cf03a2
sha256 086e5f85ba5c4647ed7a84a756db644b31f8a09d12b4ebf4ec7333a337c733cf
sha512 4079ce22d19e786242a2fdcfab63dd39f90d2ef3562f8a2297116074d9b3bf8d3c91b666d02ba4949869ec0db509022a085469a35205a0b6dd18a375a63762e9
ripemd-160 b4a19d621bd5cb90e39a9db9acaeffc6932495d3

20998421 as geometric shapes

Circle

Radius = n
Diameter 41996842
Circumference 131936970.30117
Area 1.3852340239242E+15

Sphere

Radius = n
Volume 3.8783636290514E+22
Surface area 5.540936095697E+15
Circumference 131936970.30117

Square

Length = n
Perimeter 83993684
Area 440933684493241
Diagonal 29696251.76662

Cube

Length = n
Surface area 2645602106959446
Volume 9.2589111400702E+21
Space diagonal 36370332.050721

Equilateral Triangle

Length = n
Perimeter 62995263
Area 1.9092988607771E+14
Altitude 18185166.025361

Triangular Pyramid

Length = n
Surface area 1.9092988607771E+14
Volume 1.0911731422579E+21
Height 9898750.5888733