18397730 is an even 8-digits composite number following 18397729
and preceding 18397731 . In scientific notation, it is written as 1.8397730 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 6736896 positive integers (up to 18397730) that are relatively prime to 18397730.
18397730 has 32 divisors, whose sum is 35958384
The reverse of 18397730 is 03779381
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million three hundred ninety-seven thousand seven hundred thirty
Scientific notation
1.8397730 × 10^7
Engineering notation
1.8397730 × 10^6
Prime Factorization
2 × 13 × 5 × 137 × 1033
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18397730
Product of the distinct prime numbers
The prime factorization of 18397730 is 2 × 13 × 5 × 137 × 1033.
Since it has a total of 5 prime factors.
7 , 10 , 75 , 38 , 849 , 272 , 8111 , 7998 , 86281 , 96314 , 268368 , 69497 , 2114269 , 1950610 , 28011358 , 95809581 , 274639157 , 684087593 , 8534185156 , 1281103558
n×2
36795460
n×3
55193190
n×4
73590920
n×5
91988650
n÷2
9198865
n÷3
6132576.6666667
n÷3
4599432.5
n÷5
3679546
n2
338476469152900
n3
6.2271986908284E+21
n4
1.1456632017021E+29
n5
2.1077602255852E+36
2 √n
4289.2575115048
3 √n
263.99036734061
4 √n
65.49242331373
5 √n
28.376109293477
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 137 , 274 , 685 , 1033 , 1370 , 1781 , 2066 , 3562 , 5165 , 8905 , 10330 , 13429 , 17810 , 26858 , 67145 , 134290 , 141521 , 283042 , 707605 , 1415210 , 1839773 , 3679546 , 9198865 , 18397730
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
-18397729
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 18397730 can be divided by 32 positive divisors.
The sum of these divisors (counting 18397730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110001011101000100010
3
Ternary
1021121200221102
4
Quaternary
1012023220202
5
Quinary
14202211410
6
Senary
1454154402
8
Octal
106135042
10
Decimal
18397730
12
Duodecimal
61b2a02
16
Hexadecimal
118ba22
20
Vigesimal
5eje6a
36
Base36
aybs2
md5
66a54e5e292020033cabb99a8696c417
sha1
c45945bb6631370e85de614d0b5c2a98970814bc
sha256
af5623410bc193b45c092082dbb5b50b08434a830c86062280446b7057348ff4
sha512
ff5da0a0b35f7ccf6e9292061b8ec35fca7a17614cc3c58d237d507b5cbcc5911d6340bb4e1d0d1666fa3f755ae5f79d603d75ffad7ac1ff1bde4a26fb4c1341
ripemd-160
d814cc26631745a35709e4071bedf1e70faf6f5c
Diameter
36795460
Circumference
115596346.82146
Area
1.0633551889038E+15
Volume
2.6084428879401E+22
Surface area
4.2534207556151E+15
Circumference
115596346.82146
Perimeter
73590920
Area
338476469152900
Diagonal
26018319.282878
Surface area
2030858814917400
Volume
6.2271986908284E+21
Space diagonal
31865803.103934
Perimeter
55193190
Area
1.4656461043484E+14
Altitude
15932901.551967
Surface area
1.4656461043484E+14
Volume
7.3388240368012E+20
Height
8672773.0942928