20128734 is an even 8-digits composite number following 20128733
and preceding 20128735 . In scientific notation, it is written as 2.0128734 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6492960 positive integers (up to 20128734) that are relatively prime to 20128734.
20128734 has 16 divisors, whose sum is 34631040
The reverse of 20128734 is 43782102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-eight thousand seven hundred thirty-four
Scientific notation
2.0128734 × 10^7
Engineering notation
2.0128734 × 10^6
Prime Factorization
2 × 9 × 31 × 36073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20128734
Product of the distinct prime numbers
The prime factorization of 20128734 is 2 × 9 × 31 × 36073.
Since it has a total of 4 prime factors.
10 , 10 , 65 , 17 , 523 , 967 , 4498 , 4449 , 83231 , 49488 , 538361 , 76042 , 4364084 , 1830563 , 90400403 , 42405479 , 419702795 , 894073865 , 9767516221 , 2008609469
n×2
40257468
n×3
60386202
n×4
80514936
n×5
100643670
n÷2
10064367
n÷3
6709578
n÷3
5032183.5
n÷5
4025746.8
n2
405165932442756
n3
8.1554772800022E+21
n4
1.6415943281221E+29
n5
3.3043215566678E+36
2 √n
4486.5057672982
3 √n
272.02291293426
4 √n
66.981383736813
5 √n
28.891047755528
1 , 2 , 9 , 18 , 31 , 62 , 279 , 558 , 36073 , 72146 , 324657 , 649314 , 1118263 , 2236526 , 10064367 , 20128734
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128733
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128734 can be divided by 16 positive divisors.
The sum of these divisors (counting 20128734) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010001111011110
3
Ternary
1101212122102200
4
Quaternary
1030302033132
5
Quinary
20123104414
6
Senary
1555232330
8
Octal
114621736
10
Decimal
20128734
12
Duodecimal
68a86a6
16
Hexadecimal
13323de
20
Vigesimal
65g1ge
36
Base36
bzffi
md5
d85ca1e742139691d878d8561afe4e50
sha1
5222957a797003aa206ee7e85172c4e115b56cae
sha256
c44afd7a16114096a62aec3a5540f775760fec52eb03c52c9cafccdd4920bbb9
sha512
5b3fb2c61e8df7af6c08508598476716f22c9c072a0c1a2bc8867cf617277ead5d2892afa2115e89962eafa273615d6caf1469e589c8c04c322eecf8afef8ea6
ripemd-160
fde21d95f7f24889eda953fd5d5cf747b7250b49
Diameter
40257468
Circumference
126472565.72093
Area
1.272866316847E+15
Volume
3.4161583345831E+22
Surface area
5.0914652673881E+15
Circumference
126472565.72093
Perimeter
80514936
Area
405165932442756
Diagonal
28466328.6162
Surface area
2430995594656536
Volume
8.1554772800022E+21
Space diagonal
34863989.980039
Perimeter
60386202
Area
1.7544199512172E+14
Altitude
17431994.99002
Surface area
1.7544199512172E+14
Volume
9.611322147504E+20
Height
9488776.2054001