18389969 is an odd 8-digits composite number following 18389968
and preceding 18389970 . In scientific notation, it is written as 1.8389969 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 16975344 positive integers (up to 18389969) that are relatively prime to 18389969.
18389969 has 4 divisors, whose sum is 19804596
The reverse of 18389969 is 96998381
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million three hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
1.8389969 × 10^7
Engineering notation
1.8389969 × 10^6
Prime Factorization
13 × 1414613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18389969
Product of the distinct prime numbers
The prime factorization of 18389969 is 13 × 1414613.
Since it has a total of 2 prime factors.
5 , 2 , 58 , 72 , 708 , 944 , 2262 , 5518 , 38531 , 712 , 538887 , 654625 , 5564304 , 350366 , 55890332 , 15383470 , 957419078 , 79006594 , 2922584731 , 7965553342
n×2
36779938
n×3
55169907
n×4
73559876
n×5
91949845
n÷2
9194984.5
n÷3
6129989.6666667
n÷3
4597492.25
n÷5
3677993.8
n2
338190959820961
n3
6.2193212671877E+21
n4
1.1437312530462E+29
n5
2.1033182287851E+36
2 √n
4288.3527140383
3 √n
263.95324106824
4 √n
65.485515299479
5 √n
28.373714822482
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
-18389968
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 18389969 can be divided by 4 positive divisors.
The sum of these divisors (counting 18389969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001001101111010001
3
Ternary
1021121022021222
4
Quaternary
1012021233101
5
Quinary
14201434334
6
Senary
1454054425
8
Octal
106115721
10
Decimal
18389969
12
Duodecimal
61aa415
16
Hexadecimal
1189bd1
20
Vigesimal
5eiei9
36
Base36
ay5sh
md5
d4e6753532aff1c40a219a03bc75fdd1
sha1
3bd11d0188272fd5bf2e8dedc312362f092915fd
sha256
7f1854a3a91366802887555e50ac7ba07edac85a1cb8848dd175d8920d6b6b59
sha512
e610242d5cc098d7edb1947d8d2fe4c2a8a3d72c060e961d457cd1618a7065ab268ecaa0ec77babe529b958d581ef8e53bcc44659569ccf9abac661103045da9
ripemd-160
09892871adacd72dad6539828c9ce972128dfa33
Diameter
36779938
Circumference
115547583.02029
Area
1.062458234884E+15
Volume
2.6051432004416E+22
Surface area
4.249832939536E+15
Circumference
115547583.02029
Perimeter
73559876
Area
338190959820961
Diagonal
26007343.571421
Surface area
2029145758925766
Volume
6.2193212671877E+21
Space diagonal
31852360.657617
Perimeter
55169907
Area
1.464409812676E+14
Altitude
15926180.328808
Surface area
1.464409812676E+14
Volume
7.3295404040102E+20
Height
8669114.5238069