20111391 is an odd 8-digits composite number following 20111390
and preceding 20111392 . In scientific notation, it is written as 2.0111391 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 12618816 positive integers (up to 20111391) that are relatively prime to 20111391.
20111391 has 8 divisors, whose sum is 23660640
The reverse of 20111391 is 19311102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred eleven thousand three hundred ninety-one
Scientific notation
2.0111391 × 10^7
Engineering notation
2.0111391 × 10^6
Prime Factorization
17 × 9 × 131447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20111391
Product of the distinct prime numbers
The prime factorization of 20111391 is 17 × 9 × 131447.
Since it has a total of 3 prime factors.
9 , 10 , 83 , 98 , 499 , 536 , 4798 , 9222 , 42286 , 13620 , 469921 , 989568 , 6980755 , 7581873 , 57476037 , 64293282 , 990692362 , 444579093 , 4535888249 , 8674319331
n×2
40222782
n×3
60334173
n×4
80445564
n×5
100556955
n÷2
10055695.5
n÷3
6703797
n÷3
5027847.75
n÷5
4022278.2
n2
404468047954881
n3
8.1344150594274E+21
n4
1.6359440181643E+29
n5
3.2901109803414E+36
2 √n
4484.5725548819
3 √n
271.94476513229
4 √n
66.966951213878
5 √n
28.886067509718
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20111390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20111391 can be divided by 8 positive divisors.
The sum of these divisors (counting 20111391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101110000000011111
3
Ternary
1101211202122100
4
Quaternary
1030232000133
5
Quinary
20122031031
6
Senary
1555020143
8
Octal
114560037
10
Decimal
20111391
12
Duodecimal
689a653
16
Hexadecimal
132e01f
20
Vigesimal
65di9b
36
Base36
bz21r
md5
202428fb3e09837f26b1815d7a3ff6cb
sha1
5c43346aa1e8b2b78c674d07041f26f9b321bea4
sha256
3e606aef27c59af4e31d5b13da4cff35e79566cc0c8a0f544c8ad26ee60bea24
sha512
2290510dedaa0f40fccd4d57afbf0c47257a7caf390139e2ee9b6fafa728ec5dff818bf6b53b9a4ba03c24155280cf5b66d39c6a234b511987c82388d965e6e3
ripemd-160
1dd2651c1860813c23e3d964a736caa0d14f6128
Diameter
40222782
Circumference
126363596.43814
Area
1.2706738480669E+15
Volume
3.4073358122596E+22
Surface area
5.0826953922674E+15
Circumference
126363596.43814
Perimeter
80445564
Area
404468047954881
Diagonal
28441801.910388
Surface area
2426808287729286
Volume
8.1344150594274E+21
Space diagonal
34833951.022883
Perimeter
60334173
Area
1.7513980227401E+14
Altitude
17416975.511442
Surface area
1.7513980227401E+14
Volume
9.5865000825118E+20
Height
9480600.6367961