20180388 is an even 8-digits composite number following 20180387
and preceding 20180389 . In scientific notation, it is written as 2.0180388 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6714400 positive integers (up to 20180388) that are relatively prime to 20180388.
20180388 has 24 divisors, whose sum is 47174400
The reverse of 20180388 is 88308102
Previous prime number is 701
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty thousand three hundred eighty-eight
Scientific notation
2.0180388 × 10^7
Engineering notation
2.0180388 × 10^6
Prime Factorization
2 × 2 × 3 × 701 × 2399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10090194
Product of the distinct prime numbers
The prime factorization of 20180388 is 2 × 2 × 3 × 701 × 2399.
Since it has a total of 5 prime factors.
3 , 10 , 64 , 94 , 432 , 517 , 827 , 7563 , 23387 , 37439 , 611539 , 825542 , 1044592 , 1353766 , 6061447 , 20404490 , 219406414 , 409821351 , 5465248982 , 501793023
n×2
40360776
n×3
60541164
n×4
80721552
n×5
100901940
n÷2
10090194
n÷3
6726796
n÷3
5045097
n÷5
4036077.6
n2
407248059830544
n3
8.2184238596276E+21
n4
1.6585098223574E+29
n5
3.3469371716984E+36
2 √n
4492.2586746535
3 √n
272.25540096932
4 √n
67.024314055823
5 √n
28.905860497258
1 , 2 , 3 , 4 , 6 , 12 , 701 , 1402 , 2103 , 2399 , 2804 , 4206 , 4798 , 7197 , 8412 , 9596 , 14394 , 28788 , 1681699 , 3363398 , 5045097 , 6726796 , 10090194 , 20180388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180388 can be divided by 24 positive divisors.
The sum of these divisors (counting 20180388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111110110110100100
3
Ternary
1101222021021210
4
Quaternary
1030332312210
5
Quinary
20131233023
6
Senary
2000311420
8
Octal
114766644
10
Decimal
20180388
12
Duodecimal
6912570
16
Hexadecimal
133eda4
20
Vigesimal
662aj8
36
Base36
c0jac
md5
6a864621e1b46d92e0a3cc35bb21eafc
sha1
912e38052c95af0c271e71d375d48297eab2180a
sha256
54529708fc112ebead3cd4426646b1b8bb93f7fdb500cd48aa50e25b2b4837f9
sha512
2ab2d609bbf6426d2aaac3c486faea72524f24c62a22487d529402b22ea5459880d8322e30e7c9cf218a12ac6ec8e6212f8c45f5791e85bdde6e42fae0170c43
ripemd-160
9bc765a467461b2a46f2978e055b4ef5b4293c86
Diameter
40360776
Circumference
126797117.37478
Area
1.2794075129523E+15
Volume
3.4425253361991E+22
Surface area
5.1176300518093E+15
Circumference
126797117.37478
Perimeter
80721552
Area
407248059830544
Diagonal
28539378.403551
Surface area
2443488358983264
Volume
8.2184238596276E+21
Space diagonal
34953457.332453
Perimeter
60541164
Area
1.7634358272759E+14
Altitude
17476728.666227
Surface area
1.7634358272759E+14
Volume
9.6855054030133E+20
Height
9513126.1345171