20198895 is an odd 8-digits composite number following 20198894
and preceding 20198896 . In scientific notation, it is written as 2.0198895 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 10772736 positive integers (up to 20198895) that are relatively prime to 20198895.
20198895 has 4 divisors, whose sum is 21545504
The reverse of 20198895 is 59889102
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred ninety-eight thousand eight hundred ninety-five
Scientific notation
2.0198895 × 10^7
Engineering notation
2.0198895 × 10^6
Prime Factorization
15 × 1346593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20198895
Product of the distinct prime numbers
The prime factorization of 20198895 is 15 × 1346593.
Since it has a total of 2 prime factors.
3 , 8 , 15 , 1 , 108 , 142 , 1408 , 8166 , 23931 , 45012 , 964707 , 583516 , 5309330 , 7417837 , 21772565 , 12466333 , 183566904 , 105373756 , 3562551174 , 1500740645
n×2
40397790
n×3
60596685
n×4
80795580
n×5
100994475
n÷2
10099447.5
n÷3
6732965
n÷3
5049723.75
n÷5
4039779
n2
407995359221025
n3
8.2410554213928E+21
n4
1.6646021314589E+29
n5
3.3623123670115E+36
2 √n
4494.3180795311
3 √n
272.33860206563
4 √n
67.039675413378
5 √n
28.911160342114
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
-20198894
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 20198895 can be divided by 4 positive divisors.
The sum of these divisors (counting 20198895) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011010111101111
3
Ternary
1102000012200020
4
Quaternary
1031003113233
5
Quinary
20132331040
6
Senary
2000533223
8
Octal
115032757
10
Decimal
20198895
12
Duodecimal
6921213
16
Hexadecimal
13435ef
20
Vigesimal
664h4f
36
Base36
c0xkf
md5
b766a4a92affa03d23055c2e9825147c
sha1
d5bc8b59e305b795cf69eba7c1065f566fe43468
sha256
90fd317544944f15e1f876876e18a7ea488cf0abf31f7f8a1bcfeaac0751ef87
sha512
62956032a63c8331eba996824a6913d477e055dde96ba7716b591087e2bb644590efe66680c8dc3690889061f9df03d11af89a28b4ebadcdde83f7fdcd45ca06
ripemd-160
75446bcb7b8f9c18c15a23b81bcb754fe5aa4949
Diameter
40397790
Circumference
126913400.28526
Area
1.2817552232275E+15
Volume
3.4520052226232E+22
Surface area
5.12702089291E+15
Circumference
126913400.28526
Perimeter
80795580
Area
407995359221025
Diagonal
28565551.25395
Surface area
2447972155326150
Volume
8.2410554213928E+21
Space diagonal
34985512.396749
Perimeter
60596685
Area
1.7666717285578E+14
Altitude
17492756.198374
Surface area
1.7666717285578E+14
Volume
9.712176954335E+20
Height
9521850.4179834