18888955 is an odd 8-digits composite number following 18888954
and preceding 18888956 . In scientific notation, it is written as 1.8888955 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 13985280 positive integers (up to 18888955) that are relatively prime to 18888955.
18888955 has 16 divisors, whose sum is 24400224
The reverse of 18888955 is 55988881
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighteen million eight hundred eighty-eight thousand nine hundred fifty-five
Scientific notation
1.8888955 × 10^7
Engineering notation
1.8888955 × 10^6
Prime Factorization
5 × 17 × 61 × 3643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18888955
Product of the distinct prime numbers
The prime factorization of 18888955 is 5 × 17 × 61 × 3643.
Since it has a total of 4 prime factors.
8 , 3 , 87 , 55 , 62 , 355 , 8458 , 3139 , 6793 , 24652 , 693240 , 242739 , 9394341 , 72464 , 86021076 , 87905245 , 734835173 , 44672427 , 8969367046 , 9903710836
n×2
37777910
n×3
56666865
n×4
75555820
n×5
94444775
n÷2
9444477.5
n÷3
6296318.3333333
n÷3
4722238.75
n÷5
3777791
n2
356792620992025
n3
6.7394397622504E+21
n4
1.2730097439436E+29
n5
2.4045823767912E+36
2 √n
4346.1425425313
3 √n
266.31930205359
4 √n
65.92527999585
5 √n
28.526046538302
1 , 5 , 17 , 61 , 85 , 305 , 1037 , 3643 , 5185 , 18215 , 61931 , 222223 , 309655 , 1111115 , 3777791 , 18888955
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
-18888954
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 18888955 can be divided by 16 positive divisors.
The sum of these divisors (counting 18888955) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000000011100011111011
3
Ternary
1022112122202221
4
Quaternary
1020003203323
5
Quinary
14313421310
6
Senary
1512504511
8
Octal
110034373
10
Decimal
18888955
12
Duodecimal
63ab137
16
Hexadecimal
12038fb
20
Vigesimal
5i127f
36
Base36
b8ut7
md5
73ad5f4b159b253240a42959d7fcbcb5
sha1
a5e3b9788d2555fc7abd14680b1f571e1ed3d6c0
sha256
ba38ad538c737fbe91c9fdbd22d24d4f16116cc450d08dee495dd1423ebdb130
sha512
bbd6b6ca6620f76ebcd2df2bf8e304930a8b0c59ec773e3a302a486274f0c322bc59459d37649f77a792c10d10294b4bf918db88fbafb59c1adeb169c832238d
ripemd-160
33ce27d54708a8200f9df3b8f89493a9ce7782bd
Diameter
37777910
Circumference
118682804.52398
Area
1.1208970769636E+15
Volume
2.8230099261862E+22
Surface area
4.4835883078544E+15
Circumference
118682804.52398
Perimeter
75555820
Area
356792620992025
Diagonal
26713016.340055
Surface area
2140755725952150
Volume
6.7394397622504E+21
Space diagonal
32716629.761882
Perimeter
56666865
Area
1.5449573683096E+14
Altitude
16358314.880941
Surface area
1.5449573683096E+14
Volume
7.9425059288092E+20
Height
8904338.7800184