20991106 is an even 8-digits composite number following 20991105
and preceding 20991107 . In scientific notation, it is written as 2.0991106 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 10334464 positive integers (up to 20991106) that are relatively prime to 20991106.
20991106 has 16 divisors, whose sum is 31974264
The reverse of 20991106 is 60119902
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred ninety-one thousand one hundred six
Scientific notation
2.0991106 × 10^7
Engineering notation
2.0991106 × 10^6
Prime Factorization
2 × 113 × 317 × 293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20991106
Product of the distinct prime numbers
The prime factorization of 20991106 is 2 × 113 × 317 × 293.
Since it has a total of 4 prime factors.
6 , 2 , 89 , 5 , 232 , 715 , 7989 , 8510 , 3937 , 64112 , 401488 , 732900 , 3533066 , 1787527 , 29972743 , 89281242 , 800283524 , 926906719 , 5694345548 , 3174951154
n×2
41982212
n×3
62973318
n×4
83964424
n×5
104955530
n÷2
10495553
n÷3
6997035.3333333
n÷3
5247776.5
n÷5
4198221.2
n2
440626531103236
n3
9.2492382208003E+21
n4
1.9415173991207E+29
n5
4.0754597525787E+36
2 √n
4581.6051772277
3 √n
275.85346313563
4 √n
67.687555556599
5 √n
29.13446613044
1 , 2 , 113 , 226 , 293 , 317 , 586 , 634 , 33109 , 35821 , 66218 , 71642 , 92881 , 185762 , 10495553 , 20991106
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
-20991105
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 20991106 can be divided by 16 positive divisors.
The sum of these divisors (counting 20991106) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000100110010000010
3
Ternary
1110111110101101
4
Quaternary
1100010302002
5
Quinary
20333203411
6
Senary
2025525014
8
Octal
120046202
10
Decimal
20991106
12
Duodecimal
704376a
16
Hexadecimal
1404c82
20
Vigesimal
6b3hf6
36
Base36
chwua
md5
c16d420edd88ffc48592bafd02fe5ecf
sha1
b73e308bc73571bcae030d655c1448681cb1ad2f
sha256
fd65a9eb9b11ff5ddb2c8cbf405aac9307c4df29a758aabab0c03251443c41c6
sha512
7cee61d0cd26e3f4ab3096f7ea3fee52f88448a92eb3ddd346e3294d6f268881cdd8e7206a63a26aa910308cf84cbcf58d8fb9e3e04d9a78d9a9e15d3f9d5bb8
ripemd-160
8d7342ab0801e604de67b857bb10f42aa94b858c
Diameter
41982212
Circumference
131891008.80065
Area
1.3842690730907E+15
Volume
3.8743118461024E+22
Surface area
5.5370762923627E+15
Circumference
131891008.80065
Perimeter
83964424
Area
440626531103236
Diagonal
29685906.794411
Surface area
2643759186619416
Volume
9.2492382208003E+21
Space diagonal
36357662.099064
Perimeter
62973318
Area
1.9079688475841E+14
Altitude
18178831.049532
Surface area
1.9079688475841E+14
Volume
1.0900331777896E+21
Height
9895302.2648038