18885428 is an even 8-digits composite number following 18885427
and preceding 18885429 . In scientific notation, it is written as 1.8885428 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 9061920 positive integers (up to 18885428) that are relatively prime to 18885428.
18885428 has 24 divisors, whose sum is 34409760
The reverse of 18885428 is 82458881
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million eight hundred eighty-five thousand four hundred twenty-eight
Scientific notation
1.8885428 × 10^7
Engineering notation
1.8885428 × 10^6
Prime Factorization
2 × 2 × 43 × 59 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9442714
Product of the distinct prime numbers
The prime factorization of 18885428 is 2 × 2 × 43 × 59 × 1861.
Since it has a total of 5 prime factors.
4 , 10 , 34 , 82 , 554 , 766 , 3837 , 971 , 19583 , 63225 , 724987 , 152462 , 4066741 , 756100 , 37538216 , 81410413 , 716995733 , 491346504 , 399358222 , 774051503
n×2
37770856
n×3
56656284
n×4
75541712
n×5
94427140
n÷2
9442714
n÷3
6295142.6666667
n÷3
4721357
n÷5
3777085.6
n2
356659390743184
n3
6.7356652444043E+21
n4
1.272059210053E+29
n5
2.4023382623193E+36
2 √n
4345.7367614709
3 √n
266.30272505312
4 √n
65.922202340873
5 √n
28.524981165637
1 , 2 , 4 , 43 , 59 , 86 , 118 , 172 , 236 , 1861 , 2537 , 3722 , 5074 , 7444 , 10148 , 80023 , 109799 , 160046 , 219598 , 320092 , 439196 , 4721357 , 9442714 , 18885428
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
-18885427
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 18885428 can be divided by 24 positive divisors.
The sum of these divisors (counting 18885428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001000000010101100110100
3
Ternary
1022112110221022
4
Quaternary
1020002230310
5
Quinary
14313313203
6
Senary
1512440312
8
Octal
110025464
10
Decimal
18885428
12
Duodecimal
63a9098
16
Hexadecimal
1202b34
20
Vigesimal
5i0db8
36
Base36
b8s38
md5
3bdfbe431ae02f1a05768031fc24827e
sha1
96367573d3c41dc9259ff05ec7c6e83f6df2c34a
sha256
4f36c28edfc6851aae3c06a2e0fbf7a077f57a28f940b4e3ea2f7425209ac5e6
sha512
7402bc5e3e4b3e7d97a698f1137cc19910849ec453ee51d9608ad58d8ea44d5368b56f44b54ae1b51d1fed5dd0828eda1158ca8a9d133d7598113730d7615023
ripemd-160
70a80daba22848f4492fd6e03e53c005ffc79082
Diameter
37770856
Circumference
118660643.7294
Area
1.1204785217926E+15
Volume
2.8214288598481E+22
Surface area
4.4819140871704E+15
Circumference
118660643.7294
Perimeter
75541712
Area
356659390743184
Diagonal
26708028.408821
Surface area
2139956344459104
Volume
6.7356652444043E+21
Space diagonal
32710520.818684
Perimeter
56656284
Area
1.5443804644094E+14
Altitude
16355260.409342
Surface area
1.5443804644094E+14
Volume
7.938057616868E+20
Height
8902676.1362735