18389980 is an even 8-digits composite number following 18389979
and preceding 18389981 . In scientific notation, it is written as 1.8389980 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 6305088 positive integers (up to 18389980) that are relatively prime to 18389980.
18389980 has 24 divisors, whose sum is 44136288
The reverse of 18389980 is 08998381
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million three hundred eighty-nine thousand nine hundred eighty
Scientific notation
1.8389980 × 10^7
Engineering notation
1.8389980 × 10^6
Prime Factorization
2 × 2 × 7 × 5 × 131357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9194990
Product of the distinct prime numbers
The prime factorization of 18389980 is 2 × 2 × 7 × 5 × 131357.
Since it has a total of 5 prime factors.
10 , 2 , 41 , 24 , 878 , 579 , 4466 , 5548 , 46801 , 72268 , 154089 , 696728 , 4680558 , 1570381 , 33379337 , 95242397 , 871413988 , 67102964 , 96806277 , 9653117263
n×2
36779960
n×3
55169940
n×4
73559920
n×5
91949900
n÷2
9194990
n÷3
6129993.3333333
n÷3
4597495
n÷5
3677996
n2
338191364400400
n3
6.2193324274961E+21
n4
1.14373398955E+29
n5
2.1033245193145E+36
2 √n
4288.3539965819
3 √n
263.95329369629
4 √n
65.485525092053
5 √n
28.373718216841
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 131357 , 262714 , 525428 , 656785 , 919499 , 1313570 , 1838998 , 2627140 , 3677996 , 4597495 , 9194990 , 18389980
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
-18389979
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 18389980 can be divided by 24 positive divisors.
The sum of these divisors (counting 18389980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110001001101111011100
3
Ternary
1021121022022101
4
Quaternary
1012021233130
5
Quinary
14201434410
6
Senary
1454054444
8
Octal
106115734
10
Decimal
18389980
12
Duodecimal
61aa424
16
Hexadecimal
1189bdc
20
Vigesimal
5eiej0
36
Base36
ay5ss
md5
4ef82f5c063f11464aa428ceb85a799e
sha1
708d658f64c0f9050328402e0ca9e0df50146d3f
sha256
75579f3e66d62a3c48c967d4cf9fdc6ee9932f7bb62841821047e0d5ad8c8290
sha512
0450a5f681bae3a252697b8c59b377b49ef3deb28382838b29397759a16ecc4b2540065fa1df8db9f3598d528589c8cd6d5a23ff69e251fc22ce093b98bb2b1a
ripemd-160
1d1f6bc69da28132d5e36fd35c5dc238608d2726
Diameter
36779960
Circumference
115547652.13533
Area
1.0624595059078E+15
Volume
2.6051478752606E+22
Surface area
4.2498380236312E+15
Circumference
115547652.13533
Perimeter
73559920
Area
338191364400400
Diagonal
26007359.12777
Surface area
2029148186402400
Volume
6.2193324274961E+21
Space diagonal
31852379.710175
Perimeter
55169940
Area
1.4644115645563E+14
Altitude
15926189.855088
Surface area
1.4644115645563E+14
Volume
7.3295535565598E+20
Height
8669119.7092567