19998081 (number)

19998081 is an odd 8-digits composite number following 19998080 and preceding 19998082. In scientific notation, it is written as 1.9998081 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 12773376 positive integers (up to 19998081) that are relatively prime to 19998081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9998081 × 10^7
Engineering notation 1.9998081 × 10^6

Prime Factorization of 19998081

Prime Factorization 3 × 3 × 193 × 29 × 397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6666027
Product of the distinct prime numbers

The prime factorization of 19998081 is 3 × 3 × 193 × 29 × 397. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 34, 21, 804, 358, 3494, 1365, 73478, 18194, 766436, 413937, 6569374, 9475090, 98829063, 60206441, 853481396, 471336479, 7438425122, 2598816312

Basic calculations (n = 19998081)

Multiplication

n×y
n×2 39996162
n×3 59994243
n×4 79992324
n×5 99990405

Division

n÷y
n÷2 9999040.5
n÷3 6666027
n÷3 4999520.25
n÷5 3999616.2

Exponentiation

ny
n2 399923243682561
n3 7.9976974209466E+21
n4 1.5993860083758E+29
n5 3.1984650945766E+36

Nth Root

y√n
2√n 4471.9213991304
3√n 271.43307976947
4√n 66.872426299113
5√n 28.853444388668

Divisors of 19998081

1, 3, 9, 29, 87, 193, 261, 397, 579, 1191, 1737, 3573, 5597, 11513, 16791, 34539, 50373, 76621, 103617, 229863, 689589, 2222009, 6666027, 19998081

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998081 can be divided by 24 positive divisors. The sum of these divisors (counting 19998081) is 1, the average is 0.041666666666667.

Base conversion 19998081

Base System Value
2 Binary 1001100010010010110000001
3 Ternary 1101122000012200
4 Quaternary 1030102112001
5 Quinary 20104414311
6 Senary 1552343413
8 Octal 114222601
10 Decimal 19998081
12 Duodecimal 6844b69
16 Hexadecimal 1312581
20 Vigesimal 64jf41
36 Base36 bwmm9

Cryptographic Hash Functions

md5 9aa2aa4ee744e5e90919b047ae46815e
sha1 59f8a7f99722907750117a987bfca2ac83b62c1b
sha256 11d0547adf47f0c72ff41e57152d14de062597f1e46aa812d591d72d4dd753fc
sha512 1df1b11c53f9fd7f90b7ec21491bbf74b582acfddd154c8c85d3930f35a7a5981f11ec6fcb95005ddf04fc22d2b68805dedafc52c3ca9997fd47e34562e09e67
ripemd-160 0a324c756e980afac4ebf089c55c2d3dc0b78182

19998081 as geometric shapes

Circle

Radius = n
Diameter 39996162
Circumference 125651648.71099
Area 1.2563959243529E+15

Sphere

Radius = n
Volume 3.3500676617706E+22
Surface area 5.0255836974117E+15
Circumference 125651648.71099

Square

Length = n
Perimeter 79992324
Area 399923243682561
Diagonal 28281557.371636

Cube

Length = n
Surface area 2399539462095366
Volume 7.9976974209466E+21
Space diagonal 34637692.345878

Equilateral Triangle

Length = n
Perimeter 59994243
Area 1.7317184429649E+14
Altitude 17318846.172939

Triangular Pyramid

Length = n
Surface area 1.7317184429649E+14
Volume 9.4253768003825E+20
Height 9427185.7905452