18780139 is an odd 8-digits composite number following 18780138
and preceding 18780140 . In scientific notation, it is written as 1.8780139 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 15311520 positive integers (up to 18780139) that are relatively prime to 18780139.
18780139 has 16 divisors, whose sum is 22533120
The reverse of 18780139 is 93108781
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million seven hundred eighty thousand one hundred thirty-nine
Scientific notation
1.8780139 × 10^7
Engineering notation
1.8780139 × 10^6
Prime Factorization
7 × 29 × 71 × 1303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18780139
Product of the distinct prime numbers
The prime factorization of 18780139 is 7 × 29 × 71 × 1303.
Since it has a total of 4 prime factors.
7 , 9 , 45 , 29 , 237 , 72 , 8418 , 9587 , 24922 , 20801 , 358671 , 214298 , 4382260 , 2834902 , 17339146 , 7041370 , 957746295 , 796631400 , 9552036980 , 6794252647
n×2
37560278
n×3
56340417
n×4
75120556
n×5
93900695
n÷2
9390069.5
n÷3
6260046.3333333
n÷3
4695034.75
n÷5
3756027.8
n2
352693620859321
n3
6.6236352241513E+21
n4
1.2439279019486E+29
n5
2.3361138904573E+36
2 √n
4333.605773487
3 √n
265.80691039106
4 √n
65.83012815943
5 √n
28.493103816433
1 , 7 , 29 , 71 , 203 , 497 , 1303 , 2059 , 9121 , 14413 , 37787 , 92513 , 264509 , 647591 , 2682877 , 18780139
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
-18780138
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 18780139 can be divided by 16 positive divisors.
The sum of these divisors (counting 18780139) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111101000111111101011
3
Ternary
1022100010111201
4
Quaternary
1013220333223
5
Quinary
14301431024
6
Senary
1510305031
8
Octal
107507753
10
Decimal
18780139
12
Duodecimal
6358177
16
Hexadecimal
11e8feb
20
Vigesimal
5h7a6j
36
Base36
b6iuj
md5
2339a4c019850d636b79597e6e2edf84
sha1
67c573d4da76cc154dd86651288ab66d429a533f
sha256
4e99dc4ad4264db6704877c230f061951e0d35173af89d9aa047f36a59f6f12f
sha512
32998691dcb2cea3ac24c869a50fcd98dc7d26c7c29354816597cfdfc85f7e07146f3c32304d1d6e042df6028e594579a63dbaf9b5ae31c259dcaf86c62e268e
ripemd-160
68674210b76b0e54f7bcf680f27692c9c5bdc645
Diameter
37560278
Circumference
117999093.43159
Area
1.1080196882596E+15
Volume
2.7745018347003E+22
Surface area
4.4320787530385E+15
Circumference
117999093.43159
Perimeter
75120556
Area
352693620859321
Diagonal
26559127.277052
Surface area
2116161725155926
Volume
6.6236352241513E+21
Space diagonal
32528154.921206
Perimeter
56340417
Area
1.5272081770844E+14
Altitude
16264077.460603
Surface area
1.5272081770844E+14
Volume
7.8060289718392E+20
Height
8853042.425684