18490213 is an odd 8-digits composite number following 18490212
and preceding 18490214 . In scientific notation, it is written as 1.8490213 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 15848748 positive integers (up to 18490213) that are relatively prime to 18490213.
18490213 has 4 divisors, whose sum is 21131680
The reverse of 18490213 is 31209481
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million four hundred ninety thousand two hundred thirteen
Scientific notation
1.8490213 × 10^7
Engineering notation
1.8490213 × 10^6
Prime Factorization
7 × 2641459
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18490213
Product of the distinct prime numbers
The prime factorization of 18490213 is 7 × 2641459.
Since it has a total of 2 prime factors.
7 , 9 , 61 , 62 , 417 , 559 , 5179 , 9733 , 77683 , 39847 , 914816 , 489875 , 1713851 , 8754238 , 33247730 , 15272184 , 407537991 , 10006733 , 5299997835 , 4060126907
n×2
36980426
n×3
55470639
n×4
73960852
n×5
92451065
n÷2
9245106.5
n÷3
6163404.3333333
n÷3
4622553.25
n÷5
3698042.6
n2
341887976785369
n3
6.3215815129005E+21
n4
1.1688738867039E+29
n5
2.1612727135294E+36
2 √n
4300.0247673705
3 √n
264.43197662791
4 √n
65.574574092178
5 √n
28.404580705482
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
-18490212
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 18490213 can be divided by 4 positive divisors.
The sum of these divisors (counting 18490213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110100010001101100101
3
Ternary
1021210101210201
4
Quaternary
1012202031211
5
Quinary
14213141323
6
Senary
1500150501
8
Octal
106421545
10
Decimal
18490213
12
Duodecimal
6238431
16
Hexadecimal
11a2365
20
Vigesimal
5fb5ad
36
Base36
b0b51
md5
ea5352bb936071db15262f748ea16cd4
sha1
8b3a5a1e46f0c21023cbf256b37bbf033e50a226
sha256
0729e16e0987c3c3d0aea25783d38600de029ac5c8ab9e53a8172ca9626fa6bf
sha512
e55ef9f44aeb644143afccc4c11d6a6288d2a9658b274467a1115ca06f9b1b704ed7a27ec46ea515dc34bd42701e317f8b1c31b5105bee24ab96b12c0dd4cc61
ripemd-160
081628761a0398e42a3e91dfc103a12191e3fddc
Diameter
36980426
Circumference
116177434.64822
Area
1.0740727562196E+15
Volume
2.6479778719996E+22
Surface area
4.2962910248784E+15
Circumference
116177434.64822
Perimeter
73960852
Area
341887976785369
Diagonal
26149109.995767
Surface area
2051327860712214
Volume
6.3215815129005E+21
Space diagonal
32025988.358771
Perimeter
55470639
Area
1.480418365723E+14
Altitude
16012994.179385
Surface area
1.480418365723E+14
Volume
7.4500552593258E+20
Height
8716369.9985891