20807823 is an odd 8-digits composite number following 20807822
and preceding 20807824 . In scientific notation, it is written as 2.0807823 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13871880 positive integers (up to 20807823) that are relatively prime to 20807823.
20807823 has 4 divisors, whose sum is 27743768
The reverse of 20807823 is 32870802
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred seven thousand eight hundred twenty-three
Scientific notation
2.0807823 × 10^7
Engineering notation
2.0807823 × 10^6
Prime Factorization
3 × 6935941
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20807823
Product of the distinct prime numbers
The prime factorization of 20807823 is 3 × 6935941.
Since it has a total of 2 prime factors.
1 , 3 , 4 , 46 , 736 , 423 , 7566 , 3021 , 26150 , 53976 , 687504 , 895727 , 2003419 , 9956922 , 83501811 , 18518013 , 266241660 , 481225133 , 3487718039 , 1093401021
n×2
41615646
n×3
62423469
n×4
83231292
n×5
104039115
n÷2
10403911.5
n÷3
6935941
n÷3
5201955.75
n÷5
4161564.6
n2
432965497999329
n3
9.0090694474769E+21
n4
1.8745912245781E+29
n5
3.9006162398374E+36
2 √n
4561.5592728803
3 √n
275.04824718219
4 √n
67.539316496988
5 √n
29.083410216149
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20807822
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20807823 can be divided by 4 positive divisors.
The sum of these divisors (counting 20807823) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111011000000010001111
3
Ternary
1110011010222010
4
Quaternary
1033120002033
5
Quinary
20311322243
6
Senary
2021552303
8
Octal
117300217
10
Decimal
20807823
12
Duodecimal
6b75693
16
Hexadecimal
13d808f
20
Vigesimal
6a0jb3
36
Base36
cdzf3
md5
d488cdb57170f4096eb71d2675c2f207
sha1
33a31f4b243cac66d49d789d51930628d3de9431
sha256
202e98053ec400b3410d0b95277866bebac128d0f1f4cf98dd7c1c4d0d7d39a2
sha512
29cb132c01a29fd3186589815ed384b8554d84e5455b0d5264f7b16522c02439745995ca9e413f91cc946720fb5d4fc9b7cd07e925a782b3a470351d6b6c60dc
ripemd-160
cd77707d9abc0978b533d321eb675873d50abdbd
Diameter
41615646
Circumference
130739407.74799
Area
1.3602012277725E+15
Volume
3.7737101855832E+22
Surface area
5.4408049110902E+15
Circumference
130739407.74799
Perimeter
83231292
Area
432965497999329
Diagonal
29426705.490059
Surface area
2597792987995974
Volume
9.0090694474769E+21
Space diagonal
36040206.6309
Perimeter
62423469
Area
1.874795601148E+14
Altitude
18020103.31545
Surface area
1.874795601148E+14
Volume
1.0617290164152E+21
Height
9808901.8300196