20786969 is an odd 8-digits composite number following 20786968
and preceding 20786970 . In scientific notation, it is written as 2.0786969 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 16640640 positive integers (up to 20786969) that are relatively prime to 20786969.
20786969 has 16 divisors, whose sum is 25361280
The reverse of 20786969 is 96968702
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million seven hundred eighty-six thousand nine hundred sixty-nine
Scientific notation
2.0786969 × 10^7
Engineering notation
2.0786969 × 10^6
Prime Factorization
7 × 19 × 73 × 2141
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20786969
Product of the distinct prime numbers
The prime factorization of 20786969 is 7 × 19 × 73 × 2141.
Since it has a total of 4 prime factors.
1 , 3 , 69 , 83 , 558 , 270 , 5613 , 218 , 87102 , 9763 , 263702 , 77275 , 3856165 , 6100520 , 63091286 , 68163112 , 107753330 , 964249972 , 3711091201 , 311756416
n×2
41573938
n×3
62360907
n×4
83147876
n×5
103934845
n÷2
10393484.5
n÷3
6928989.6666667
n÷3
5196742.25
n÷5
4157393.8
n2
432098080206961
n3
8.9820093982216E+21
n4
1.8670875091854E+29
n5
3.8811090173724E+36
2 √n
4559.2728586914
3 √n
274.95633025573
4 √n
67.522387833158
5 √n
29.07757828723
1 , 7 , 19 , 73 , 133 , 511 , 1387 , 2141 , 9709 , 14987 , 40679 , 156293 , 284753 , 1094051 , 2969567 , 20786969
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
-20786968
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 20786969 can be divided by 16 positive divisors.
The sum of these divisors (counting 20786969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010111100011001
3
Ternary
1110010002100202
4
Quaternary
1033102330121
5
Quinary
20310140334
6
Senary
2021311545
8
Octal
117227431
10
Decimal
20786969
12
Duodecimal
6b655b5
16
Hexadecimal
13d2f19
20
Vigesimal
69i789
36
Base36
cdjbt
md5
1af3d58949badc67f6744f6f086490f7
sha1
0eed8ecb4461d5e7701ed439e98b41861e0abcd0
sha256
f8be872471e16f6551d7f9635e1f92b5ee705dc9af6942f49bd0936fe5737d1d
sha512
d9e36720b4502b38f9ae44e2f2e1937d67a6e3576c9b2dae5bf39eebb0c1eb9ef762067c2736f063cf9ee70d7bf88a52c1c991c31aa4699c1277c07e20ce89a5
ripemd-160
e7e25b82d5f7af1148ca4c6a436d507f5483967d
Diameter
41573938
Circumference
130608378.2016
Area
1.3574761544084E+15
Volume
3.762375298657E+22
Surface area
5.4299046176338E+15
Circumference
130608378.2016
Perimeter
83147876
Area
432098080206961
Diagonal
29397213.480429
Surface area
2592588481241766
Volume
8.9820093982216E+21
Space diagonal
36004086.443359
Perimeter
62360907
Area
1.8710395719286E+14
Altitude
18002043.22168
Surface area
1.8710395719286E+14
Volume
1.0585399590273E+21
Height
9799071.160143