18841421 is an odd 8-digits composite number following 18841420
and preceding 18841422 . In scientific notation, it is written as 1.8841421 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 18602844 positive integers (up to 18841421) that are relatively prime to 18841421.
18841421 has 4 divisors, whose sum is 19080000
The reverse of 18841421 is 12414881
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million eight hundred forty-one thousand four hundred twenty-one
Scientific notation
1.8841421 × 10^7
Engineering notation
1.8841421 × 10^6
Prime Factorization
79 × 238499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18841421
Product of the distinct prime numbers
The prime factorization of 18841421 is 79 × 238499.
Since it has a total of 2 prime factors.
7 , 6 , 3 , 44 , 694 , 277 , 8067 , 2149 , 20999 , 30906 , 316126 , 62244 , 4825664 , 7139015 , 26806901 , 99232388 , 111183277 , 942784313 , 2358512641 , 2757726412
n×2
37682842
n×3
56524263
n×4
75365684
n×5
94207105
n÷2
9420710.5
n÷3
6280473.6666667
n÷3
4710355.25
n÷5
3768284.2
n2
354999145299241
n3
6.6886883512232E+21
n4
1.2602439316319E+29
n5
2.3744786478572E+36
2 √n
4340.6705703151
3 √n
266.09571715015
4 √n
65.883765605156
5 √n
28.511674922027
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18841420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18841421 can be divided by 4 positive divisors.
The sum of these divisors (counting 18841421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111110111111101001101
3
Ternary
1022110020120102
4
Quaternary
1013313331031
5
Quinary
14310411141
6
Senary
1511500445
8
Octal
107677515
10
Decimal
18841421
12
Duodecimal
6387725
16
Hexadecimal
11f7f4d
20
Vigesimal
5hf3b1
36
Base36
b7u4t
md5
fc5572786451180971c54835d0054b37
sha1
f900a4fcbc685d486a4e6a227264777f4125edda
sha256
efdf511e0040f63d09edf65cbb9add1ff45a19acf63bc9d35291a9857f1c04ad
sha512
8b48180e31721bf1f72062b1ceeaca1dda56984e38edc99c9c1656b345de3ca9174bd232bb9c52872399e6b6d778a6057c137db50d6905f90971f47d8bfb8e46
ripemd-160
01db4d6e131f10a9ac344ea47277e5792e8ac120
Diameter
37682842
Circumference
118384139.59358
Area
1.1152627069028E+15
Volume
2.8017512248472E+22
Surface area
4.461050827611E+15
Circumference
118384139.59358
Perimeter
75365684
Area
354999145299241
Diagonal
26645793.112581
Surface area
2129994871795446
Volume
6.6886883512232E+21
Space diagonal
32634298.458795
Perimeter
56524263
Area
1.5371913907545E+14
Altitude
16317149.229398
Surface area
1.5371913907545E+14
Volume
7.8826948173223E+20
Height
8881931.0375271