18389907 is an odd 8-digits composite number following 18389906
and preceding 18389908 . In scientific notation, it is written as 1.8389907 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 12259932 positive integers (up to 18389907) that are relatively prime to 18389907.
18389907 has 4 divisors, whose sum is 20433240
The reverse of 18389907 is 70998381
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million three hundred eighty-nine thousand nine hundred seven
Scientific notation
1.8389907 × 10^7
Engineering notation
1.8389907 × 10^6
Prime Factorization
9 × 2043323
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18389907
Product of the distinct prime numbers
The prime factorization of 18389907 is 9 × 2043323.
Since it has a total of 2 prime factors.
7 , 2 , 42 , 27 , 141 , 346 , 4033 , 7371 , 18562 , 19295 , 80894 , 510359 , 5204998 , 6705669 , 14308628 , 67773321 , 665389496 , 837428594 , 6811762190 , 1397375783
n×2
36779814
n×3
55169721
n×4
73559628
n×5
91949535
n÷2
9194953.5
n÷3
6129969
n÷3
4597476.75
n÷5
3677981.4
n2
338188679468649
n3
6.2192583638813E+21
n4
1.1437158292075E+29
n5
2.1032827733554E+36
2 √n
4288.3454851493
3 √n
263.95294443697
4 √n
65.485460104891
5 √n
28.37369569061
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
-18389906
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 18389907 can be divided by 4 positive divisors.
The sum of these divisors (counting 18389907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001001101110010011
3
Ternary
1021121022012200
4
Quaternary
1012021232103
5
Quinary
14201434112
6
Senary
1454054243
8
Octal
106115623
10
Decimal
18389907
12
Duodecimal
61aa383
16
Hexadecimal
1189b93
20
Vigesimal
5eief7
36
Base36
ay5qr
md5
e41e0f79db62fa797b4148303b72c7e0
sha1
c8a598f31e8fb6c7c868533559942c9748c576a3
sha256
c1e0ca81e2f716e650aa45a47868074ee97e7a34a94e8257d50ad741aa166034
sha512
9166f6f917e95e2251968c83324bdef01fa201b9d4c4d46862d3a18af7dcf85885d36da35dd20db0611f2e41c6caeae71f48cd345942ab5715b9cf337f3cdedc
ripemd-160
3dd81787bfa8a67fbd07f3baf9895dded970a64e
Diameter
36779814
Circumference
115547193.4628
Area
1.0624510709459E+15
Volume
2.6051168515662E+22
Surface area
4.2498042837838E+15
Circumference
115547193.4628
Perimeter
73559628
Area
338188679468649
Diagonal
26007255.89018
Surface area
2029132076811894
Volume
6.2192583638813E+21
Space diagonal
31852253.270467
Perimeter
55169721
Area
1.4643999384608E+14
Altitude
15926126.635233
Surface area
1.4643999384608E+14
Volume
7.3294662717527E+20
Height
8669085.2967266