20782261 is an odd 8-digits composite number following 20782260
and preceding 20782262 . In scientific notation, it is written as 2.0782261 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 20386080 positive integers (up to 20782261) that are relatively prime to 20782261.
20782261 has 8 divisors, whose sum is 21181184
The reverse of 20782261 is 16228702
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred eighty-two thousand two hundred sixty-one
Scientific notation
2.0782261 × 10^7
Engineering notation
2.0782261 × 10^6
Prime Factorization
67 × 313 × 991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20782261
Product of the distinct prime numbers
The prime factorization of 20782261 is 67 × 313 × 991.
Since it has a total of 3 prime factors.
4 , 5 , 6 , 76 , 789 , 852 , 7860 , 1100 , 56886 , 16900 , 125366 , 772280 , 4264673 , 614478 , 72185951 , 15648117 , 544075525 , 123302812 , 8006800192 , 9364367036
n×2
41564522
n×3
62346783
n×4
83129044
n×5
103911305
n÷2
10391130.5
n÷3
6927420.3333333
n÷3
5195565.25
n÷5
4156452.2
n2
431902372272121
n3
8.9759078270784E+21
n4
1.8653965917429E+29
n5
3.8767158838111E+36
2 √n
4558.7565190521
3 √n
274.93557058102
4 √n
67.518564254967
5 √n
29.076261023106
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
-20782260
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 20782261 can be divided by 8 positive divisors.
The sum of these divisors (counting 20782261) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010001110010110101
3
Ternary
1110002211220101
4
Quaternary
1033101302311
5
Quinary
20310013021
6
Senary
2021234101
8
Octal
117216265
10
Decimal
20782261
12
Duodecimal
6b62931
16
Hexadecimal
13d1cb5
20
Vigesimal
69hfd1
36
Base36
cdfp1
md5
28ed96484753f431d623de6b27af7d4f
sha1
ac0ca8013b37a4d30a825826f1a94f8decde75f6
sha256
64895caaff600ea4e51ac97d7690b7971c7b74bc0f4874f8cf58e17c6156ca9d
sha512
558435093e11bc19892a1556d1d922c9fb8172f32f3eff7d62526d772cffbe49e8d5b7377c850f0f000eb01ce5c764054d6cefddf506c115a23fb8b1462cfa35
ripemd-160
3a340980b7774d011c9d9fb991cc3927e8e731e4
Diameter
41564522
Circumference
130578796.96517
Area
1.3568613197981E+15
Volume
3.7598194785131E+22
Surface area
5.4274452791924E+15
Circumference
130578796.96517
Perimeter
83129044
Area
431902372272121
Diagonal
29390555.362977
Surface area
2591414233632726
Volume
8.9759078270784E+21
Space diagonal
35995931.948157
Perimeter
62346783
Area
1.8701921317121E+14
Altitude
17997965.974079
Surface area
1.8701921317121E+14
Volume
1.0578208819721E+21
Height
9796851.7876591