18440139 is an odd 8-digits composite number following 18440138
and preceding 18440140 . In scientific notation, it is written as 1.8440139 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 12293424 positive integers (up to 18440139) that are relatively prime to 18440139.
18440139 has 4 divisors, whose sum is 24586856
The reverse of 18440139 is 93104481
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million four hundred forty thousand one hundred thirty-nine
Scientific notation
1.8440139 × 10^7
Engineering notation
1.8440139 × 10^6
Prime Factorization
3 × 6146713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18440139
Product of the distinct prime numbers
The prime factorization of 18440139 is 3 × 6146713.
Since it has a total of 2 prime factors.
9 , 1 , 54 , 50 , 129 , 800 , 7114 , 8623 , 62115 , 93734 , 667697 , 216372 , 6274449 , 1161990 , 67487977 , 21877929 , 781508063 , 522526938 , 8286280182 , 467105422
n×2
36880278
n×3
55320417
n×4
73760556
n×5
92200695
n÷2
9220069.5
n÷3
6146713
n÷3
4610034.75
n÷5
3688027.8
n2
340038726339321
n3
6.27036137908E+21
n4
1.1562633541047E+29
n5
2.1321656970296E+36
2 √n
4294.1982953748
3 √n
264.19305495673
4 √n
65.530132728195
5 √n
28.389179322832
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
-18440138
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 18440139 can be divided by 4 positive divisors.
The sum of these divisors (counting 18440139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110010101111111001011
3
Ternary
1021200212010010
4
Quaternary
1012111333023
5
Quinary
14210041024
6
Senary
1455123003
8
Octal
106257713
10
Decimal
18440139
12
Duodecimal
6213463
16
Hexadecimal
1195fcb
20
Vigesimal
5f506j
36
Base36
az8i3
md5
23de3108f68d5d4a8044bfa445b81d86
sha1
2d473abf4267865672441b066d182704614b0330
sha256
1d7ca7e3956906cca79612ac6f7d5f664275a45585e66e7c27aeca5b95fd0688
sha512
36aff49bc7cdb152ca9edd749f41bd163e9244632b614c5dcbde4bd3db6fa558af71e8585fc24ce3dcac01281595adc6b260db3245c5275f085362d957d48c92
ripemd-160
19066318d0df891c1fc7f8e71173e1c5eefa4153
Diameter
36880278
Circumference
115862810.42715
Area
1.0682631646036E+15
Volume
2.6265228325161E+22
Surface area
4.2730526584146E+15
Circumference
115862810.42715
Perimeter
73760556
Area
340038726339321
Diagonal
26078294.665845
Surface area
2040232358035926
Volume
6.27036137908E+21
Space diagonal
31939257.646632
Perimeter
55320417
Area
1.4724108764018E+14
Altitude
15969628.823316
Surface area
1.4724108764018E+14
Volume
7.3896917527295E+20
Height
8692764.888615