20142788 is an even 8-digits composite number following 20142787
and preceding 20142789 . In scientific notation, it is written as 2.0142788 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 9943752 positive integers (up to 20142788) that are relatively prime to 20142788.
20142788 has 12 divisors, whose sum is 35696640
The reverse of 20142788 is 88724102
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-two thousand seven hundred eighty-eight
Scientific notation
2.0142788 × 10^7
Engineering notation
2.0142788 × 10^6
Prime Factorization
2 × 2 × 79 × 63743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10071394
Product of the distinct prime numbers
The prime factorization of 20142788 is 2 × 2 × 79 × 63743.
Since it has a total of 4 prime factors.
10 , 1 , 73 , 40 , 568 , 943 , 2255 , 4105 , 11800 , 25923 , 815106 , 182965 , 2539812 , 5185906 , 13896330 , 78837482 , 643831780 , 590220745 , 8186713534 , 6547062084
n×2
40285576
n×3
60428364
n×4
80571152
n×5
100713940
n÷2
10071394
n÷3
6714262.6666667
n÷3
5035697
n÷5
4028557.6
n2
405731908412944
n3
8.1725718159973E+21
n4
1.6461838150441E+29
n5
3.3158731595464E+36
2 √n
4488.0717463071
3 √n
272.08620753613
4 √n
66.993072375486
5 √n
28.895081009028
1 , 2 , 4 , 79 , 158 , 316 , 63743 , 127486 , 254972 , 5035697 , 10071394 , 20142788
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
-20142787
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 20142788 can be divided by 12 positive divisors.
The sum of these divisors (counting 20142788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110101101011000100
3
Ternary
1101220100201012
4
Quaternary
1030311223010
5
Quinary
20124032123
6
Senary
1555421352
8
Octal
114655304
10
Decimal
20142788
12
Duodecimal
68b4858
16
Hexadecimal
1335ac4
20
Vigesimal
65hgj8
36
Base36
bzq9w
md5
225b113651fc6ecf886bd1545c8ec517
sha1
a391b88ba116e16d1b46c9f454d97a4b99c6f201
sha256
772a35f153f4f5ff1afc8460753304dec6244808e7441364927247d50ee6f41b
sha512
2c4dc842a96469018eb58debb33a43acbbe132f99925b3952a5688da146c303fedc855dd9ed7047dcfd2dbcbe934c4303705a637e061bb430e89a425054ecc75
ripemd-160
b0aba89dc66331ea3edb77121cbfc5a900f26011
Diameter
40285576
Circumference
126560869.60723
Area
1.2746443827971E+15
Volume
3.4233188770763E+22
Surface area
5.0985775311883E+15
Circumference
126560869.60723
Perimeter
80571152
Area
405731908412944
Diagonal
28486203.973606
Surface area
2434391450477664
Volume
8.1725718159973E+21
Space diagonal
34888332.222089
Perimeter
60428364
Area
1.7568706990578E+14
Altitude
17444166.111044
Surface area
1.7568706990578E+14
Volume
9.6314682513763E+20
Height
9495401.3245353