18221208 is an even 8-digits composite number following 18221207
and preceding 18221209 . In scientific notation, it is written as 1.8221208 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 6012800 positive integers (up to 18221208) that are relatively prime to 18221208.
18221208 has 32 divisors, whose sum is 46010160
The reverse of 18221208 is 80212281
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighteen million two hundred twenty-one thousand two hundred eight
Scientific notation
1.8221208 × 10^7
Engineering notation
1.8221208 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 101 × 7517
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4555302
Product of the distinct prime numbers
The prime factorization of 18221208 is 2 × 2 × 2 × 3 × 101 × 7517.
Since it has a total of 6 prime factors.
9 , 5 , 10 , 41 , 759 , 81 , 3299 , 8217 , 79234 , 3760 , 319457 , 232311 , 3090776 , 4888962 , 57958661 , 63425657 , 69774534 , 592019100 , 1892121277 , 9045131439
n×2
36442416
n×3
54663624
n×4
72884832
n×5
91106040
n÷2
9110604
n÷3
6073736
n÷3
4555302
n÷5
3644241.6
n2
332012420979264
n3
6.0496673812467E+21
n4
1.1023224768451E+29
n5
2.008564713367E+36
2 √n
4268.630693794
3 √n
263.14334352664
4 √n
65.33475869546
5 √n
28.321446646558
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 101 , 202 , 303 , 404 , 606 , 808 , 1212 , 2424 , 7517 , 15034 , 22551 , 30068 , 45102 , 60136 , 90204 , 180408 , 759217 , 1518434 , 2277651 , 3036868 , 4555302 , 6073736 , 9110604 , 18221208
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18221207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18221208 can be divided by 32 positive divisors.
The sum of these divisors (counting 18221208) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000101100000100010011000
3
Ternary
1021021201210120
4
Quaternary
1011200202120
5
Quinary
14131034313
6
Senary
1450313240
8
Octal
105404230
10
Decimal
18221208
12
Duodecimal
6128820
16
Hexadecimal
1160898
20
Vigesimal
5dhd08
36
Base36
aujko
md5
6d946f166bf44d0cc24151117b5c8725
sha1
1432841bbd0b65fc418741368987c4b32e049942
sha256
070edfff3272afc101003f9d9665d43a791a91f9bd86bb861dcda53fea3332ae
sha512
b891e3aee59998bd0b10678f858af1d38c53e58d109eb135b487bf05ef2c14e544deb47bee4cbff0d472fe7a7470f3251c987097343282293c0adddaa6886256
ripemd-160
f6ce5097b8eb66a75f5654395430e6eb0955d528
Diameter
36442416
Circumference
114487226.38466
Area
1.043047782649E+15
Volume
2.5340787468782E+22
Surface area
4.1721911305961E+15
Circumference
114487226.38466
Perimeter
72884832
Area
332012420979264
Diagonal
25768679.476421
Surface area
1992074525875584
Volume
6.0496673812467E+21
Space diagonal
31560058.03128
Perimeter
54663624
Area
1.4376559547001E+14
Altitude
15780029.01564
Surface area
1.4376559547001E+14
Volume
7.1296013820044E+20
Height
8589559.8254737