20797428 is an even 8-digits composite number following 20797427
and preceding 20797429 . In scientific notation, it is written as 2.0797428 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 6630976 positive integers (up to 20797428) that are relatively prime to 20797428.
20797428 has 12 divisors, whose sum is 36923460
The reverse of 20797428 is 82479702
Previous prime number is 69
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred ninety-seven thousand four hundred twenty-eight
Scientific notation
2.0797428 × 10^7
Engineering notation
2.0797428 × 10^6
Prime Factorization
2 × 2 × 69 × 75353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10398714
Product of the distinct prime numbers
The prime factorization of 20797428 is 2 × 2 × 69 × 75353.
Since it has a total of 4 prime factors.
6 , 6 , 17 , 72 , 556 , 666 , 7633 , 1100 , 20818 , 48942 , 101755 , 877336 , 5567848 , 9254477 , 34015041 , 79949084 , 673362186 , 648569225 , 5016041292 , 2287805737
n×2
41594856
n×3
62392284
n×4
83189712
n×5
103987140
n÷2
10398714
n÷3
6932476
n÷3
5199357
n÷5
4159485.6
n2
432533011415184
n3
8.9955741625305E+21
n4
1.8708480596389E+29
n5
3.8908827819279E+36
2 √n
4560.419717526
3 √n
275.00243744396
4 √n
67.530879733097
5 √n
29.080503785429
1 , 2 , 4 , 69 , 138 , 276 , 75353 , 150706 , 301412 , 5199357 , 10398714 , 20797428
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
-20797427
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 20797428 can be divided by 12 positive divisors.
The sum of these divisors (counting 20797428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010101011111110100
3
Ternary
1110010121201010
4
Quaternary
1033111133310
5
Quinary
20311004203
6
Senary
2021432220
8
Octal
117253764
10
Decimal
20797428
12
Duodecimal
6b6b670
16
Hexadecimal
13d57f4
20
Vigesimal
69jdb8
36
Base36
cdrec
md5
7f31cc2efc7a895e992def6ea814294f
sha1
c50a7f18991b59618613e3d0588dcb08e2c18587
sha256
3c8cc08a5d60f3a751260c53c91592a64714dcf5f3912b82eb675731249e57c5
sha512
3cc4bb98e14ebbd995742a26924c88b9035f9ce81a74431d68fd6b506a4b978880cafcfad01e12c0b5c0a9bac23e6d6405d411e541f48647ab7c1c1a6c8e8b31
ripemd-160
c179f3bc3888d5eb561bbcbbe6d067c1083647b0
Diameter
41594856
Circumference
130674094.03673
Area
1.358842531097E+15
Volume
3.7680572938437E+22
Surface area
5.435370124388E+15
Circumference
130674094.03673
Perimeter
83189712
Area
432533011415184
Diagonal
29412004.740078
Surface area
2595198068491104
Volume
8.9955741625305E+21
Space diagonal
36022201.962756
Perimeter
62392284
Area
1.8729228793047E+14
Altitude
18011100.981378
Surface area
1.8729228793047E+14
Volume
1.060138581832E+21
Height
9804001.580026