18390213 is an odd 8-digits composite number following 18390212
and preceding 18390214 . In scientific notation, it is written as 1.8390213 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 12227760 positive integers (up to 18390213) that are relatively prime to 18390213.
18390213 has 16 divisors, whose sum is 27316800
The reverse of 18390213 is 31209381
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million three hundred ninety thousand two hundred thirteen
Scientific notation
1.8390213 × 10^7
Engineering notation
1.8390213 × 10^6
Prime Factorization
9 × 3 × 541 × 1259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18390213
Product of the distinct prime numbers
The prime factorization of 18390213 is 9 × 3 × 541 × 1259.
Since it has a total of 4 prime factors.
5 , 10 , 88 , 32 , 823 , 354 , 1947 , 1092 , 88311 , 71789 , 804138 , 387684 , 8472652 , 6697744 , 70772549 , 47910138 , 384936101 , 178189816 , 381858796 , 9901637390
n×2
36780426
n×3
55170639
n×4
73560852
n×5
91951065
n÷2
9195106.5
n÷3
6130071
n÷3
4597553.25
n÷5
3678042.6
n2
338199934185369
n3
6.2195688262549E+21
n4
1.1437919548299E+29
n5
2.1034577677008E+36
2 √n
4288.3811630964
3 √n
263.95440844932
4 √n
65.485732515537
5 √n
28.373790115156
1 , 3 , 9 , 27 , 541 , 1259 , 1623 , 3777 , 4869 , 11331 , 14607 , 33993 , 681119 , 2043357 , 6130071 , 18390213
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
-18390212
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 18390213 can be divided by 16 positive divisors.
The sum of these divisors (counting 18390213) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001001110011000101
3
Ternary
1021121022122000
4
Quaternary
1012021303011
5
Quinary
14201441323
6
Senary
1454055513
8
Octal
106116305
10
Decimal
18390213
12
Duodecimal
61aa599
16
Hexadecimal
1189cc5
20
Vigesimal
5eifad
36
Base36
ay5z9
md5
a75dc450546dad18d4fbd9c8bc20c971
sha1
f991881c00f8947f84dc84ad4bdd334dc77e91fe
sha256
17516b56cedcf0a7ed430a97e5a1e6b9361d00f51eef47333b43a4e86a9618dd
sha512
b81108de755cf49bcc7c39a46375abdf157ed6f63923357094b5a0059f0ffd3a99c75fb8003f14fa431b5f8b23db26c6b1fc00f4d0df05144cf810db1657307d
ripemd-160
4891666da174f1fbf9db2bdabbb47430a5de2ba4
Diameter
36780426
Circumference
115549116.1175
Area
1.0624864286813E+15
Volume
2.6052468977411E+22
Surface area
4.2499457147252E+15
Circumference
115549116.1175
Perimeter
73560852
Area
338199934185369
Diagonal
26007688.63953
Surface area
2029199605112214
Volume
6.2195688262549E+21
Space diagonal
31852783.278014
Perimeter
55170639
Area
1.4644486728138E+14
Altitude
15926391.639007
Surface area
1.4644486728138E+14
Volume
7.3298321551688E+20
Height
8669229.54651