18440138 is an even 8-digits composite number following 18440137
and preceding 18440139 . In scientific notation, it is written as 1.8440138 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 8654016 positive integers (up to 18440138) that are relatively prime to 18440138.
18440138 has 16 divisors, whose sum is 29367360
The reverse of 18440138 is 83104481
Previous prime number is 823
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million four hundred forty thousand one hundred thirty-eight
Scientific notation
1.8440138 × 10^7
Engineering notation
1.8440138 × 10^6
Prime Factorization
2 × 17 × 823 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18440138
Product of the distinct prime numbers
The prime factorization of 18440138 is 2 × 17 × 823 × 659.
Since it has a total of 4 prime factors.
6 , 10 , 78 , 31 , 845 , 934 , 1119 , 7425 , 22756 , 44223 , 397654 , 602314 , 4402112 , 9402334 , 89549800 , 12846183 , 619115232 , 613668917 , 3927877886 , 3565486865
n×2
36880276
n×3
55320414
n×4
73760552
n×5
92200690
n÷2
9220069
n÷3
6146712.6666667
n÷3
4610034.5
n÷5
3688027.6
n2
340038689459044
n3
6.2703603589639E+21
n4
1.1562631032902E+29
n5
2.132165118898E+36
2 √n
4294.1981789386
3 √n
264.19305018105
4 √n
65.530131839778
5 √n
28.389179014925
1 , 2 , 17 , 34 , 659 , 823 , 1318 , 1646 , 11203 , 13991 , 22406 , 27982 , 542357 , 1084714 , 9220069 , 18440138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18440137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18440138 can be divided by 16 positive divisors.
The sum of these divisors (counting 18440138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110010101111111001010
3
Ternary
1021200212010002
4
Quaternary
1012111333022
5
Quinary
14210041023
6
Senary
1455123002
8
Octal
106257712
10
Decimal
18440138
12
Duodecimal
6213462
16
Hexadecimal
1195fca
20
Vigesimal
5f506i
36
Base36
az8i2
md5
775bdf1e1f5571a63c90a39c804f7ec4
sha1
09ac08e45a0acbccd0dad51f479d5f4f8804defd
sha256
c187932dd2b4af0ad0a5b33973e16285d05b0378802d945a33d4b7713b849848
sha512
d5bfac604806f1aec2d17eaa04c60b3d6fe94550db14f3d5e3dbc0e71e099e209fcd8b22dd2bae5ce597927a7d28fc0eb79ae3498670c3bfba6eae7cc33d3e06
ripemd-160
9aa46c456259396a18f8ec304b5f354a1cfec38e
Diameter
36880276
Circumference
115862804.14396
Area
1.0682630487408E+15
Volume
2.6265224052109E+22
Surface area
4.2730521949633E+15
Circumference
115862804.14396
Perimeter
73760552
Area
340038689459044
Diagonal
26078293.251631
Surface area
2040232136754264
Volume
6.2703603589639E+21
Space diagonal
31939255.914582
Perimeter
55320414
Area
1.4724107167055E+14
Altitude
15969627.957291
Surface area
1.4724107167055E+14
Volume
7.3896905505112E+20
Height
8692764.4172105