19998021 (number)

19998021 is an odd 8-digits composite number following 19998020 and preceding 19998022. In scientific notation, it is written as 1.9998021 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13321152 positive integers (up to 19998021) that are relatively prime to 19998021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9998021 × 10^7
Engineering notation 1.9998021 × 10^6

Prime Factorization of 19998021

Prime Factorization 3 × 1873 × 3559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19998021
Product of the distinct prime numbers

The prime factorization of 19998021 is 3 × 1873 × 3559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19998021)

Multiplication

n×y
n×2 39996042
n×3 59994063
n×4 79992084
n×5 99990105

Division

n÷y
n÷2 9999010.5
n÷3 6666007
n÷3 4999505.25
n÷5 3999604.2

Exponentiation

ny
n2 399920843916441
n3 7.9976254349787E+21
n4 1.5993668139884E+29
n5 3.1984171132843E+36

Nth Root

y√n
2√n 4471.9146905995
3√n 271.43280831007
4√n 66.872376139924
5√n 28.853427074919

Divisors of 19998021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998021 can be divided by 8 positive divisors. The sum of these divisors (counting 19998021) is 1, the average is 0.125.

Base conversion 19998021

Base System Value
2 Binary 1001100010010010101000101
3 Ternary 1101122000010110
4 Quaternary 1030102111011
5 Quinary 20104414041
6 Senary 1552343233
8 Octal 114222505
10 Decimal 19998021
12 Duodecimal 6844b19
16 Hexadecimal 1312545
20 Vigesimal 64jf11
36 Base36 bwmkl

Cryptographic Hash Functions

md5 6ae7629505b9bdb1c5afc1182d720d39
sha1 f69f8763195d98f7eefcf97eed54f9479496f9c5
sha256 c47c83c834b5e8b713fbd7dfaecee6480cb917a43a4988b85f8ab94bf8a93e33
sha512 ec3f38f76b917a4a6fa153e7060a9ad1d1e01ebe1bfab73eadd8c26aeb28ba0e0c145c499278259b61a8a54b8b9698b439684864ce08be407d82ecb0a269abd3
ripemd-160 f1fb485534bf67f0dd3f15f18a5ced76f48e66ab

19998021 as geometric shapes

Circle

Radius = n
Diameter 39996042
Circumference 125651271.71987
Area 1.2563883852653E+15

Sphere

Radius = n
Volume 3.3500375083589E+22
Surface area 5.0255535410613E+15
Circumference 125651271.71987

Square

Length = n
Perimeter 79992084
Area 399920843916441
Diagonal 28281472.518822

Cube

Length = n
Surface area 2399525063498646
Volume 7.9976254349787E+21
Space diagonal 34637588.422829

Equilateral Triangle

Length = n
Perimeter 59994063
Area 1.7317080516727E+14
Altitude 17318794.211415

Triangular Pyramid

Length = n
Surface area 1.7317080516727E+14
Volume 9.4252919641058E+20
Height 9427157.506274