20198891 is an odd 8-digits composite number following 20198890
and preceding 20198892 . In scientific notation, it is written as 2.0198891 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20189400 positive integers (up to 20198891) that are relatively prime to 20198891.
20198891 has 4 divisors, whose sum is 20208384
The reverse of 20198891 is 19889102
Previous prime number is 6271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred ninety-eight thousand eight hundred ninety-one
Scientific notation
2.0198891 × 10^7
Engineering notation
2.0198891 × 10^6
Prime Factorization
6271 × 3221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20198891
Product of the distinct prime numbers
The prime factorization of 20198891 is 6271 × 3221.
Since it has a total of 2 prime factors.
1 , 9 , 44 , 59 , 623 , 595 , 4741 , 493 , 55539 , 46095 , 786209 , 58233 , 9886257 , 6699589 , 4020680 , 37094371 , 462565624 , 314841955 , 4912853029 , 2806946753
n×2
40397782
n×3
60596673
n×4
80795564
n×5
100994455
n÷2
10099445.5
n÷3
6732963.6666667
n÷3
5049722.75
n÷5
4039778.2
n2
407995197629881
n3
8.2410505254494E+21
n4
1.6646008128905E+29
n5
3.3623090378086E+36
2 √n
4494.3176345247
3 √n
272.3385840885
4 √n
67.0396720944
5 √n
28.911159197055
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
-20198890
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 20198891 can be divided by 4 positive divisors.
The sum of these divisors (counting 20198891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011010111101011
3
Ternary
1102000012200002
4
Quaternary
1031003113223
5
Quinary
20132331031
6
Senary
2000533215
8
Octal
115032753
10
Decimal
20198891
12
Duodecimal
692120b
16
Hexadecimal
13435eb
20
Vigesimal
664h4b
36
Base36
c0xkb
md5
db32141bc1539d79fb48d61f6f461339
sha1
e89aaf6d06c2f662eee58b43921e6a36a53858a5
sha256
319a4f8c28f6049d952bbe2ad4913d6812f6c4f7df1f3cc5c06adb9957abcd3c
sha512
2d6dc41c2bc9de4db7263f54b9ff7e9852fc500123f6ec69b387d500917e87e707ba8c70aa54fe7f333406809967842b1153271e87615595572ae544eb83e6a8
ripemd-160
a5d5026f57e69299562a3603dc005e71dd4c52fa
Diameter
40397782
Circumference
126913375.15252
Area
1.281754715574E+15
Volume
3.4520031718152E+22
Surface area
5.1270188622958E+15
Circumference
126913375.15252
Perimeter
80795564
Area
407995197629881
Diagonal
28565545.597096
Surface area
2447971185779286
Volume
8.2410505254494E+21
Space diagonal
34985505.468546
Perimeter
60596673
Area
1.7666710288476E+14
Altitude
17492752.734273
Surface area
1.7666710288476E+14
Volume
9.7121711844104E+20
Height
9521848.5323653