20150728 is an even 8-digits composite number following 20150727
and preceding 20150729 . In scientific notation, it is written as 2.0150728 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 9300288 positive integers (up to 20150728) that are relatively prime to 20150728.
20150728 has 16 divisors, whose sum is 40689180
The reverse of 20150728 is 82705102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty thousand seven hundred twenty-eight
Scientific notation
2.0150728 × 10^7
Engineering notation
2.0150728 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 193757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5037682
Product of the distinct prime numbers
The prime factorization of 20150728 is 2 × 2 × 2 × 13 × 193757.
Since it has a total of 5 prime factors.
7 , 4 , 61 , 45 , 219 , 462 , 5202 , 1481 , 81532 , 99683 , 611314 , 787673 , 677475 , 4556979 , 89483760 , 75637467 , 946903070 , 664579738 , 6963901322 , 3671590427
n×2
40301456
n×3
60452184
n×4
80602912
n×5
100753640
n÷2
10075364
n÷3
6716909.3333333
n÷3
5037682
n÷5
4030145.6
n2
406051838929984
n3
8.1822401601779E+21
n4
1.6487809589842E+29
n5
3.322413663607E+36
2 √n
4488.9562261176
3 √n
272.12195367496
4 √n
66.999673328439
5 √n
28.897358655768
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 193757 , 387514 , 775028 , 1550056 , 2518841 , 5037682 , 10075364 , 20150728
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
-20150727
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 20150728 can be divided by 16 positive divisors.
The sum of these divisors (counting 20150728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111100111001000
3
Ternary
1101220202121021
4
Quaternary
1030313213020
5
Quinary
20124310403
6
Senary
1555522224
8
Octal
114674710
10
Decimal
20150728
12
Duodecimal
68b9374
16
Hexadecimal
13379c8
20
Vigesimal
65igg8
36
Base36
bzweg
md5
95fc3286be052410bd986c16a8af27c8
sha1
8a3b088901253d71b2836452f7f2f078ecb9d441
sha256
b8929fd183bcb4e99fb20cb64509f9fcbfd29fcd9814f08ffa237ace69e1351c
sha512
7016c3f33232cfe39ce9a9408e29fd30999e4152491c472b36098b5dafad8f00752a815a7e2e63bb541284803f305f7a42f663a28a501d7746304fcb6f356c02
ripemd-160
006da014c954ed60bafba26f8ffb0fc8c4359255
Diameter
40301456
Circumference
126610758.09857
Area
1.2756494741591E+15
Volume
3.4273687436163E+22
Surface area
5.1025978966363E+15
Circumference
126610758.09857
Perimeter
80602912
Area
406051838929984
Diagonal
28497432.829291
Surface area
2436311033579904
Volume
8.1822401601779E+21
Space diagonal
34902084.705501
Perimeter
60452184
Area
1.7582560388338E+14
Altitude
17451042.35275
Surface area
1.7582560388338E+14
Volume
9.6428625042645E+20
Height
9499144.2764304