20097891 is an odd 8-digits composite number following 20097890
and preceding 20097892 . In scientific notation, it is written as 2.0097891 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12038400 positive integers (up to 20097891) that are relatively prime to 20097891.
20097891 has 16 divisors, whose sum is 24645600
The reverse of 20097891 is 19879002
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million ninety-seven thousand eight hundred ninety-one
Scientific notation
2.0097891 × 10^7
Engineering notation
2.0097891 × 10^6
Prime Factorization
9 × 11 × 89 × 2281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20097891
Product of the distinct prime numbers
The prime factorization of 20097891 is 9 × 11 × 89 × 2281.
Since it has a total of 4 prime factors.
3 , 9 , 56 , 1 , 35 , 275 , 6973 , 3669 , 82618 , 41957 , 579832 , 472401 , 2742062 , 9037294 , 43027738 , 37662213 , 817474524 , 110386376 , 9480561290 , 6223318271
n×2
40195782
n×3
60293673
n×4
80391564
n×5
100489455
n÷2
10048945.5
n÷3
6699297
n÷3
5024472.75
n÷5
4019578.2
n2
403925222647881
n3
8.1180450969278E+21
n4
1.6315558549114E+29
n5
3.2790831732421E+36
2 √n
4483.0671420357
3 √n
271.88390283966
4 √n
66.955710301928
5 √n
28.882188447747
1 , 9 , 11 , 89 , 99 , 801 , 979 , 2281 , 8811 , 20529 , 25091 , 203009 , 225819 , 1827081 , 2233099 , 20097891
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
-20097890
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 20097891 can be divided by 16 positive divisors.
The sum of these divisors (counting 20097891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101010101101100011
3
Ternary
1101211002010100
4
Quaternary
1030222231203
5
Quinary
20121113031
6
Senary
1554433443
8
Octal
114525543
10
Decimal
20097891
12
Duodecimal
6892883
16
Hexadecimal
132ab63
20
Vigesimal
65c4eb
36
Base36
byrmr
md5
801b802bf891f4c63d7ac5ccd847ffbb
sha1
1689c5babfecf9f6bd6db10304da6d674d74dd3f
sha256
4125d28f5a34c865876927b028d68ae1cc49ce3eff81375c83cb3e528ad2aa67
sha512
e9b94c0dda8e93f502c2c3aef7ee36fd329c648bee6640a1068d849699848909dfbe9c67f119d884372388f67cbb0cb57386787714def7ce0628511de7881886
ripemd-160
75783cfc9331c6a8c93b0355ada04c95c949037f
Diameter
40195782
Circumference
126278773.4365
Area
1.2689685120702E+15
Volume
3.4004787784026E+22
Surface area
5.0758740482808E+15
Circumference
126278773.4365
Perimeter
80391564
Area
403925222647881
Diagonal
28422710.027296
Surface area
2423551335887286
Volume
8.1180450969278E+21
Space diagonal
34810568.336981
Perimeter
60293673
Area
1.7490475202118E+14
Altitude
17405284.168491
Surface area
1.7490475202118E+14
Volume
9.5672078966931E+20
Height
9474236.6757654