198778893 is an odd 9-digits composite number following 198778892
and preceding 198778894 . In scientific notation, it is written as 1.98778893 × 10^8.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 125408304 positive integers (up to 198778893) that are relatively prime to 198778893.
198778893 has 16 divisors, whose sum is 279290880
The reverse of 198778893 is 398877891
Previous prime number is 1583
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
one hundred ninety-eight million seven hundred seventy-eight thousand eight hundred ninety-three
Scientific notation
1.98778893 × 10^8
Engineering notation
1.98778893 × 10^6
Prime Factorization
3 × 19 × 1583 × 2203
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
198778893
Product of the distinct prime numbers
The prime factorization of 198778893 is 3 × 19 × 1583 × 2203.
Since it has a total of 4 prime factors.
4 , 4 , 66 , 3 , 445 , 357 , 6882 , 8400 , 29605 , 75011 , 285353 , 66727 , 4568345 , 4348654 , 58366273 , 30004438 , 140718168 , 120441237 , 4160861130 , 5848100918
n×2
397557786
n×3
596336679
n×4
795115572
n×5
993894465
n÷2
99389446.5
n÷3
66259631
n÷3
49694723.25
n÷5
39755778.6
n2
39513048302305449
n3
7.8543600005878E+24
n4
1.5612809861403E+33
n5
3.1034970608692E+41
2 √n
14098.896871741
3 √n
583.6109376559
4 √n
118.73877577161
5 √n
45.674526473264
1 , 3 , 19 , 57 , 1583 , 2203 , 4749 , 6609 , 30077 , 41857 , 90231 , 125571 , 3487349 , 10462047 , 66259631 , 198778893
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-198778892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 198778893 can be divided by 16 positive divisors.
The sum of these divisors (counting 198778893) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011110110010010000000001101
3
Ternary
111212001000101020
4
Quaternary
23312102000031
5
Quinary
401341411033
6
Senary
31420304353
8
Octal
1366220015
10
Decimal
198778893
12
Duodecimal
566a20b9
16
Hexadecimal
bd9200d
20
Vigesimal
322774d
36
Base36
3acirx
md5
ff1c045b546ceb96d242816362ddbf4d
sha1
80c6d988d4b2d786afe2f826dfd07dd03f54a82b
sha256
46ba2c5dc6875359fe6d74131ba436dab6652cc6012dbeed8cc6cc4707177c42
sha512
d539c91f4a29a9a78ecbb9f1fde54b89654ffb3abbd0a91907b486667115e8a5cc00bba5969b30ce32f48d211fe2f054e563dd3884e517eea8da89c327043cfa
ripemd-160
95c50d0193ccd92ac6b3e2676a9b4b97cca0caef
Diameter
397557786
Circumference
1248964619.875
Area
1.2413390226746E+17
Volume
3.2900266235328E+25
Surface area
4.9653560906985E+17
Circumference
1248964619.875
Perimeter
795115572
Area
39513048302305449
Diagonal
281115806.39411
Surface area
237078289813832694
Volume
7.8543600005878E+24
Space diagonal
344295142.1483
Perimeter
596336679
Area
1.7109651805379E+16
Altitude
172147571.07415
Surface area
1.7109651805379E+16
Volume
9.2564520304934E+23
Height
93705268.798037