18396538 is an even 8-digits composite number following 18396537
and preceding 18396539 . In scientific notation, it is written as 1.8396538 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 9198268 positive integers (up to 18396538) that are relatively prime to 18396538.
18396538 has 4 divisors, whose sum is 27594810
The reverse of 18396538 is 83569381
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million three hundred ninety-six thousand five hundred thirty-eight
Scientific notation
1.8396538 × 10^7
Engineering notation
1.8396538 × 10^6
Prime Factorization
2 × 9198269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18396538
Product of the distinct prime numbers
The prime factorization of 18396538 is 2 × 9198269.
Since it has a total of 2 prime factors.
4 , 7 , 91 , 71 , 42 , 897 , 7497 , 399 , 81299 , 89199 , 573963 , 488418 , 2149441 , 7976653 , 91001457 , 65065607 , 119961405 , 491999368 , 3799431054 , 4591988880
n×2
36793076
n×3
55189614
n×4
73586152
n×5
91982690
n÷2
9198269
n÷3
6132179.3333333
n÷3
4599134.5
n÷5
3679307.6
n2
338432610385444
n3
6.225988377395E+21
n4
1.1453663177231E+29
n5
2.1070774987912E+36
2 √n
4289.1185574661
3 √n
263.98466585254
4 √n
65.491362464573
5 √n
28.375741582908
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
-18396537
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 18396538 can be divided by 4 positive divisors.
The sum of these divisors (counting 18396538) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001011010101111010
3
Ternary
1021121122022021
4
Quaternary
1012023111322
5
Quinary
14202142123
6
Senary
1454145054
8
Octal
106132572
10
Decimal
18396538
12
Duodecimal
61b218a
16
Hexadecimal
118b57a
20
Vigesimal
5ejb6i
36
Base36
ayauy
md5
7f673e9fd047236d13c9d16e9ad7ff72
sha1
43f28d07aafc74fde9c0daa60c6ed084b5b04ca1
sha256
f99bf63a67553eaefbca66610b1141cb9a93928b500e9809a34e35c2f0e1b490
sha512
71c2cbed82a10eee1946e6aa195ca761577ef2367c5cac3bd4327118412cb238f19c9ce8ac3c898b6688ca6e14ee69e8b3d7e6f0618210a7d27764ea2cc68ba4
ripemd-160
435e0698b16c68b0f0400334434458a703a3d505
Diameter
36793076
Circumference
115588857.26457
Area
1.0632174025221E+15
Volume
2.6079359130346E+22
Surface area
4.2528696100885E+15
Circumference
115588857.26457
Perimeter
73586152
Area
338432610385444
Diagonal
26016633.540312
Surface area
2030595662312664
Volume
6.225988377395E+21
Space diagonal
31863738.499372
Perimeter
55189614
Area
1.4654561903144E+14
Altitude
15931869.249686
Surface area
1.4654561903144E+14
Volume
7.3373976687411E+20
Height
8672211.180104