18389900 is an even 8-digits composite number following 18389899
and preceding 18389901 . In scientific notation, it is written as 1.8389900 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 7306560 positive integers (up to 18389900) that are relatively prime to 18389900.
18389900 has 24 divisors, whose sum is 33694752
The reverse of 18389900 is 00998381
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred eighty-nine thousand nine hundred
Scientific notation
1.8389900 × 10^7
Engineering notation
1.8389900 × 10^6
Prime Factorization
2 × 2 × 25 × 173 × 1063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9194950
Product of the distinct prime numbers
The prime factorization of 18389900 is 2 × 2 × 25 × 173 × 1063.
Since it has a total of 5 prime factors.
7 , 8 , 32 , 18 , 569 , 447 , 6875 , 4556 , 89949 , 40240 , 79226 , 100172 , 8647628 , 8083691 , 73795992 , 14725601 , 467223630 , 327813684 , 582408608 , 4924499647
n×2
36779800
n×3
55169700
n×4
73559600
n×5
91949500
n÷2
9194950
n÷3
6129966.6666667
n÷3
4597475
n÷5
3677980
n2
338188422010000
n3
6.2192512619217E+21
n4
1.1437140878161E+29
n5
2.103278770353E+36
2 √n
4288.3446689836
3 √n
263.9529109463
4 √n
65.485453873235
5 √n
28.373693530556
1 , 2 , 4 , 25 , 50 , 100 , 173 , 346 , 692 , 1063 , 2126 , 4252 , 4325 , 8650 , 17300 , 26575 , 53150 , 106300 , 183899 , 367798 , 735596 , 4597475 , 9194950 , 18389900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389900 can be divided by 24 positive divisors.
The sum of these divisors (counting 18389900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110001001101110001100
3
Ternary
1021121022012102
4
Quaternary
1012021232030
5
Quinary
14201434100
6
Senary
1454054232
8
Octal
106115614
10
Decimal
18389900
12
Duodecimal
61aa378
16
Hexadecimal
1189b8c
20
Vigesimal
5eief0
36
Base36
ay5qk
md5
6df2baf4e56b323a84210875d1d0b6c5
sha1
310625e0989cee9917716a8a69096eded2fa1025
sha256
7582e53a925985e763b2814f8f2dfb99906abeb043fbae8a0fbc38139a4a5416
sha512
52082101355f990a4f660c9e0a5ea12d3946d4ad6cfc14949cb32eb9e4f555e7ea296f29b4dddaf3eb160c5337af54f015ff776efdd205ef7976ba6d11bfd5fa
ripemd-160
ea27cde942a655a046bf68ea2de7c1a983d2cc1c
Diameter
36779800
Circumference
115547149.4805
Area
1.0624502621157E+15
Volume
2.6051138767043E+22
Surface area
4.249801048463E+15
Circumference
115547149.4805
Perimeter
73559600
Area
338188422010000
Diagonal
26007245.990685
Surface area
2029130532060000
Volume
6.2192512619217E+21
Space diagonal
31852241.146111
Perimeter
55169700
Area
1.4643988236322E+14
Altitude
15926120.573055
Surface area
1.4643988236322E+14
Volume
7.329457902013E+20
Height
8669081.996895