18219842 is an even 8-digits composite number following 18219841
and preceding 18219843 . In scientific notation, it is written as 1.8219842 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 9044244 positive integers (up to 18219842) that are relatively prime to 18219842.
18219842 has 8 divisors, whose sum is 27526800
The reverse of 18219842 is 24891281
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million two hundred nineteen thousand eight hundred forty-two
Scientific notation
1.8219842 × 10^7
Engineering notation
1.8219842 × 10^6
Prime Factorization
2 × 139 × 65539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18219842
Product of the distinct prime numbers
The prime factorization of 18219842 is 2 × 139 × 65539.
Since it has a total of 3 prime factors.
6 , 2 , 30 , 70 , 777 , 881 , 7542 , 1960 , 81096 , 69787 , 193605 , 754098 , 4816819 , 7891465 , 96052722 , 20950087 , 753148519 , 316791925 , 3072827622 , 7672751311
n×2
36439684
n×3
54659526
n×4
72879368
n×5
91099210
n÷2
9109921
n÷3
6073280.6666667
n÷3
4554960.5
n÷5
3643968.4
n2
331962642504964
n3
6.0483068963429E+21
n4
1.1019919601888E+29
n5
2.007811939991E+36
2 √n
4268.4706863231
3 √n
263.13676762179
4 √n
65.333534163729
5 √n
28.321021995719
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18219841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18219842 can be divided by 8 positive divisors.
The sum of these divisors (counting 18219842) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101100000001101000010
3
Ternary
1021021122220222
4
Quaternary
1011200031002
5
Quinary
14131013332
6
Senary
1450303042
8
Octal
105401502
10
Decimal
18219842
12
Duodecimal
6127a82
16
Hexadecimal
1160342
20
Vigesimal
5dh9c2
36
Base36
auiiq
md5
238d4ea7f9ef414716639cec40022ab6
sha1
1b07486e7c7eeeed317eb0775a88daad98ba41a3
sha256
c093a4dd56ec918e1d52520b43f13912e04d5d0deb7175d2a12120f3ae466df1
sha512
20888945a97c283a3d167e615e608e7514cb9eebdcc03544ca49897f239de04523b356e6dedd3fd70ef0e22177d8681f4c1dd69284b4a018ff2ab37ce7fe78ad
ripemd-160
c6df9c9fcb5971aa254a226420564636f3bd3718
Diameter
36439684
Circumference
114478643.55353
Area
1.0428913989598E+15
Volume
2.5335088682943E+22
Surface area
4.1715655958394E+15
Circumference
114478643.55353
Perimeter
72879368
Area
331962642504964
Diagonal
25766747.660695
Surface area
1991775855029784
Volume
6.0483068963429E+21
Space diagonal
31557692.049877
Perimeter
54659526
Area
1.4374404075836E+14
Altitude
15778846.024939
Surface area
1.4374404075836E+14
Volume
7.1279980351691E+20
Height
8588915.8868983