20768691 is an odd 8-digits composite number following 20768690
and preceding 20768692 . In scientific notation, it is written as 2.0768691 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 12927600 positive integers (up to 20768691) that are relatively prime to 20768691.
20768691 has 24 divisors, whose sum is 29650944
The reverse of 20768691 is 19686702
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred sixty-eight thousand six hundred ninety-one
Scientific notation
2.0768691 × 10^7
Engineering notation
2.0768691 × 10^6
Prime Factorization
3 × 19 × 19 × 127 × 151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1093089
Product of the distinct prime numbers
The prime factorization of 20768691 is 3 × 19 × 19 × 127 × 151.
Since it has a total of 5 prime factors.
2 , 3 , 50 , 67 , 491 , 616 , 4847 , 719 , 66400 , 75210 , 31491 , 396398 , 8093819 , 1637631 , 90684752 , 84957738 , 364211189 , 636774632 , 4038647822 , 539895938
n×2
41537382
n×3
62306073
n×4
83074764
n×5
103843455
n÷2
10384345.5
n÷3
6922897
n÷3
5192172.75
n÷5
4153738.2
n2
431338525853481
n3
8.9583365598465E+21
n4
1.8605292388545E+29
n5
3.8640756858235E+36
2 √n
4557.2679315572
3 √n
274.87571684284
4 √n
67.507539812655
5 √n
29.07246289973
1 , 3 , 19 , 57 , 127 , 151 , 361 , 381 , 453 , 1083 , 2413 , 2869 , 7239 , 8607 , 19177 , 45847 , 54511 , 57531 , 137541 , 163533 , 364363 , 1093089 , 6922897 , 20768691
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20768690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20768691 can be divided by 24 positive divisors.
The sum of these divisors (counting 20768691) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111001110011110110011
3
Ternary
1110002011021210
4
Quaternary
1033032132303
5
Quinary
20304044231
6
Senary
2021051203
8
Octal
117163663
10
Decimal
20768691
12
Duodecimal
6b56b03
16
Hexadecimal
13ce7b3
20
Vigesimal
69g1eb
36
Base36
cd583
md5
aa6a70141cd95d3d5534cbdad4f7943c
sha1
96659877966ffe7138ca137d526c1b2fa65bad7a
sha256
e0ea4e54c39b02ea3a1bff2f95161d9eea74c18d77a2335bdc06cc209e8f8ad0
sha512
8baae16d495d7f19725db8a3a2bb4d574ff68f36c7d5b2c6f6caf9411df01a705b107d774d0ffec24843fb5205ae63c03592ac6dd072fa5c6d99935a5b225d6c
ripemd-160
0992a0e5e3de480848a7c350bb57a3e719657d1a
Diameter
41537382
Circumference
130493534.14055
Area
1.3550899440315E+15
Volume
3.7524592433065E+22
Surface area
5.4203597761262E+15
Circumference
130493534.14055
Perimeter
83074764
Area
431338525853481
Diagonal
29371364.484936
Surface area
2588031155120886
Volume
8.9583365598465E+21
Space diagonal
35972428.018698
Perimeter
62306073
Area
1.8677506051002E+14
Altitude
17986214.009349
Surface area
1.8677506051002E+14
Volume
1.0557500882698E+21
Height
9790454.828312