18780138 is an even 8-digits composite number following 18780137
and preceding 18780139 . In scientific notation, it is written as 1.8780138 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5437440 positive integers (up to 18780138) that are relatively prime to 18780138.
18780138 has 16 divisors, whose sum is 30088584
The reverse of 18780138 is 83108781
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million seven hundred eighty thousand one hundred thirty-eight
Scientific notation
1.8780138 × 10^7
Engineering notation
1.8780138 × 10^6
Prime Factorization
2 × 117 × 17 × 4721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18780138
Product of the distinct prime numbers
The prime factorization of 18780138 is 2 × 117 × 17 × 4721.
Since it has a total of 4 prime factors.
9 , 2 , 2 , 6 , 330 , 427 , 8026 , 718 , 60965 , 69647 , 64117 , 447147 , 4250217 , 602610 , 41727349 , 99699222 , 77017134 , 48215787 , 3248087078 , 8080398439
n×2
37560276
n×3
56340414
n×4
75120552
n×5
93900690
n÷2
9390069
n÷3
6260046
n÷3
4695034.5
n÷5
3756027.6
n2
352693583299044
n3
6.6236341660705E+21
n4
1.2439276370032E+29
n5
2.3361132684934E+36
2 √n
4333.6056581097
3 √n
265.80690567318
4 √n
65.830127283104
5 √n
28.493103512994
1 , 2 , 17 , 34 , 117 , 234 , 1989 , 3978 , 4721 , 9442 , 80257 , 160514 , 552357 , 1104714 , 9390069 , 18780138
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
-18780137
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 18780138 can be divided by 16 positive divisors.
The sum of these divisors (counting 18780138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111101000111111101010
3
Ternary
1022100010111200
4
Quaternary
1013220333222
5
Quinary
14301431023
6
Senary
1510305030
8
Octal
107507752
10
Decimal
18780138
12
Duodecimal
6358176
16
Hexadecimal
11e8fea
20
Vigesimal
5h7a6i
36
Base36
b6iui
md5
641d4ebe3571812f632516715af0fe58
sha1
3ffeb773bd3d60225dffd711901c48c4034d9086
sha256
cd3f4b3c2e53618882b2a35e5ca74726216278008e87b6d586a6480b054794bf
sha512
da1371038b70d240ad455ccaece99edae0f0c121d300c1416ba85007203def10577dd4a4b760c48632f0b04871c0e246cc379dbcdb91612baea431199aef7cd4
ripemd-160
c1ff094f0574a693870cd2866ec3eabba59e9406
Diameter
37560276
Circumference
117999087.14841
Area
1.1080195702605E+15
Volume
2.7745013914925E+22
Surface area
4.4320782810421E+15
Circumference
117999087.14841
Perimeter
75120552
Area
352693583299044
Diagonal
26559125.862838
Surface area
2116161499794264
Volume
6.6236341660705E+21
Space diagonal
32528153.189155
Perimeter
56340414
Area
1.5272080144437E+14
Altitude
16264076.594577
Surface area
1.5272080144437E+14
Volume
7.806027724879E+20
Height
8853041.9542794