20797828 is an even 8-digits composite number following 20797827
and preceding 20797829 . In scientific notation, it is written as 2.0797828 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 10228320 positive integers (up to 20797828) that are relatively prime to 20797828.
20797828 has 12 divisors, whose sum is 36993292
The reverse of 20797828 is 82879702
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million seven hundred ninety-seven thousand eight hundred twenty-eight
Scientific notation
2.0797828 × 10^7
Engineering notation
2.0797828 × 10^6
Prime Factorization
2 × 2 × 61 × 85237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10398914
Product of the distinct prime numbers
The prime factorization of 20797828 is 2 × 2 × 61 × 85237.
Since it has a total of 4 prime factors.
1 , 1 , 78 , 18 , 85 , 453 , 7313 , 8873 , 85169 , 17007 , 160966 , 355621 , 2479773 , 4508708 , 16092539 , 59699849 , 451179096 , 570186541 , 2660325533 , 375924476
n×2
41595656
n×3
62393484
n×4
83191312
n×5
103989140
n÷2
10398914
n÷3
6932609.3333333
n÷3
5199457
n÷5
4159565.6
n2
432549649517584
n3
8.996093212127E+21
n4
1.8709919929778E+29
n5
3.891256965933E+36
2 √n
4560.4635729276
3 √n
275.0042004868
4 √n
67.531204438597
5 √n
29.080615646492
1 , 2 , 4 , 61 , 122 , 244 , 85237 , 170474 , 340948 , 5199457 , 10398914 , 20797828
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797828 can be divided by 12 positive divisors.
The sum of these divisors (counting 20797828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010101100110000100
3
Ternary
1110010122020221
4
Quaternary
1033111212010
5
Quinary
20311012303
6
Senary
2021434124
8
Octal
117254604
10
Decimal
20797828
12
Duodecimal
6b6b944
16
Hexadecimal
13d5984
20
Vigesimal
69jeb8
36
Base36
cdrpg
md5
8c715f5c9b316c313bf557124d7d82b3
sha1
d0502d663d9c91f8568ebbb5519ce9ef0f933139
sha256
c9c9192dea4142afdc6ea0a675f22b6b2d5407bd0f3952d4d3f1f5f6cfdbad72
sha512
14609eeb9c291c92901c5e7257cf902e254ac84f348665fc54f37053e272278fbc01befc05a47c0f4586ee381857b5fe67c5902164e184db0f5f0085f409c42d
ripemd-160
054d647eaf07d6c0ed3f912d8a8f202be22321a0
Diameter
41595656
Circumference
130676607.31085
Area
1.3588948012373E+15
Volume
3.7682747128303E+22
Surface area
5.4355792049491E+15
Circumference
130676607.31085
Perimeter
83191312
Area
432549649517584
Diagonal
29412570.425503
Surface area
2595297897105504
Volume
8.996093212127E+21
Space diagonal
36022894.783079
Perimeter
62393484
Area
1.8729949244014E+14
Altitude
18011447.391539
Surface area
1.8729949244014E+14
Volume
1.0601997524135E+21
Height
9804190.1418343