20128769 is an odd 8-digits composite number following 20128768
and preceding 20128770 . In scientific notation, it is written as 2.0128769 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20119296 positive integers (up to 20128769) that are relatively prime to 20128769.
20128769 has 4 divisors, whose sum is 20138244
The reverse of 20128769 is 96782102
Previous prime number is 3217
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred twenty-eight thousand seven hundred sixty-nine
Scientific notation
2.0128769 × 10^7
Engineering notation
2.0128769 × 10^6
Prime Factorization
3217 × 6257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20128769
Product of the distinct prime numbers
The prime factorization of 20128769 is 3217 × 6257.
Since it has a total of 2 prime factors.
5 , 4 , 60 , 86 , 304 , 165 , 4823 , 8564 , 20627 , 85601 , 103248 , 278181 , 2660235 , 5253463 , 6081121 , 62473229 , 9769918 , 938581434 , 332144762 , 7066133678
n×2
40257538
n×3
60386307
n×4
80515076
n×5
100643845
n÷2
10064384.5
n÷3
6709589.6666667
n÷3
5032192.25
n÷5
4025753.8
n2
405167341455361
n3
8.1555198224991E+21
n4
1.6416057458201E+29
n5
3.3043502846685E+36
2 √n
4486.5096678822
3 √n
272.02307059936
4 √n
66.981412853732
5 √n
28.891057802717
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
-20128768
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 20128769 can be divided by 4 positive divisors.
The sum of these divisors (counting 20128769) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010010000000001
3
Ternary
1101212122110222
4
Quaternary
1030302100001
5
Quinary
20123110034
6
Senary
1555232425
8
Octal
114622001
10
Decimal
20128769
12
Duodecimal
68a8715
16
Hexadecimal
1332401
20
Vigesimal
65g1i9
36
Base36
bzfgh
md5
4b8a2bfe589006f353508c93d4157fe6
sha1
c5f4acae16077c7468ad36f50985a754c4913cef
sha256
d7bed32c256731bf79367500a7119dfd32060d3531b593dde0db9b79ccf34884
sha512
e5550f4a41644936e62e41fbf321e7a256dec067b6d77b06a572206f9b058026e7c80cd075f3a831ef7be7abec68f5fb0ef7fc68e33dcf919ee32578c389d0a7
ripemd-160
52c6466396b073c4b28f58cc293f64d334884052
Diameter
40257538
Circumference
126472785.63241
Area
1.2728707433907E+15
Volume
3.4161761547425E+22
Surface area
5.0914829735627E+15
Circumference
126472785.63241
Perimeter
80515076
Area
405167341455361
Diagonal
28466378.113675
Surface area
2431004048732166
Volume
8.1555198224991E+21
Space diagonal
34864050.601817
Perimeter
60386307
Area
1.7544260524207E+14
Altitude
17432025.300909
Surface area
1.7544260524207E+14
Volume
9.6113722843174E+20
Height
9488792.7045584