18372221 is an odd 8-digits composite number following 18372220
and preceding 18372222 . In scientific notation, it is written as 1.8372221 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 14767920 positive integers (up to 18372221) that are relatively prime to 18372221.
18372221 has 16 divisors, whose sum is 22325760
The reverse of 18372221 is 12227381
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighteen million three hundred seventy-two thousand two hundred twenty-one
Scientific notation
1.8372221 × 10^7
Engineering notation
1.8372221 × 10^6
Prime Factorization
19 × 7 × 107 × 1291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18372221
Product of the distinct prime numbers
The prime factorization of 18372221 is 19 × 7 × 107 × 1291.
Since it has a total of 4 prime factors.
4 , 5 , 2 , 32 , 846 , 887 , 6757 , 6345 , 49176 , 75833 , 197077 , 878416 , 6248462 , 8729122 , 33870155 , 76627957 , 799120311 , 901329831 , 8783946782 , 3567726069
n×2
36744442
n×3
55116663
n×4
73488884
n×5
91861105
n÷2
9186110.5
n÷3
6124073.6666667
n÷3
4593055.25
n÷5
3674444.2
n2
337538504472841
n3
6.2013320001845E+21
n4
1.1393224200176E+29
n5
2.0931883290819E+36
2 √n
4286.2828884711
3 √n
263.86830074077
4 √n
65.469709702053
5 √n
28.368236061726
1 , 7 , 19 , 107 , 133 , 749 , 1291 , 2033 , 9037 , 14231 , 24529 , 138137 , 171703 , 966959 , 2624603 , 18372221
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
-18372220
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 18372221 can be divided by 16 positive divisors.
The sum of these divisors (counting 18372221) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110000101011001111101
3
Ternary
1021120101221122
4
Quaternary
1012011121331
5
Quinary
14200402341
6
Senary
1453440325
8
Octal
106053175
10
Decimal
18372221
12
Duodecimal
61a00a5
16
Hexadecimal
118567d
20
Vigesimal
5egab1
36
Base36
axs3h
md5
817d19b2422e24f4366f505a8e1ba8ed
sha1
fb18b313466c4762f437a4c738b7a80bf873fb93
sha256
8ea4ae149159e857c60ad181696f7f08f831ac138fc7c3e079348b92643bca06
sha512
d129c18e24bc8f5ff0e0ceee8c2eff222d386da2d83a596ff47a5bc6e6215ffc5a8c3ee4b2464090ae5512c833fd264d7660804f4d783a76a76b405a1cc1b094
ripemd-160
95327b37a9444906dfe1449ee30fdde53c3e80b7
Diameter
36744442
Circumference
115436069.04746
Area
1.0604084859556E+15
Volume
2.5976078739001E+22
Surface area
4.2416339438223E+15
Circumference
115436069.04746
Perimeter
73488884
Area
337538504472841
Diagonal
25982244.109116
Surface area
2025231026837046
Volume
6.2013320001845E+21
Space diagonal
31821620.219884
Perimeter
55116663
Area
1.4615845981444E+14
Altitude
15910810.109942
Surface area
1.4615845981444E+14
Volume
7.3083398495327E+20
Height
8660748.0363719