18149780 is an even 8-digits composite number following 18149779
and preceding 18149781 . In scientific notation, it is written as 1.8149780 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 6599840 positive integers (up to 18149780) that are relatively prime to 18149780.
18149780 has 12 divisors, whose sum is 32340000
The reverse of 18149780 is 08794181
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million one hundred forty-nine thousand seven hundred eighty
Scientific notation
1.8149780 × 10^7
Engineering notation
1.8149780 × 10^6
Prime Factorization
2 × 2 × 55 × 82499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9074890
Product of the distinct prime numbers
The prime factorization of 18149780 is 2 × 2 × 55 × 82499.
Since it has a total of 4 prime factors.
1 , 4 , 86 , 68 , 145 , 380 , 8617 , 3102 , 24529 , 80585 , 508761 , 428311 , 7027719 , 2822300 , 87250042 , 79360966 , 922805727 , 298334674 , 6800983725 , 4918054094
n×2
36299560
n×3
54449340
n×4
72599120
n×5
90748900
n÷2
9074890
n÷3
6049926.6666667
n÷3
4537445
n÷5
3629956
n2
329414514048400
n3
5.9788009587854E+21
n4
1.0851392206574E+29
n5
1.9695038124304E+36
2 √n
4260.2558608609
3 √n
262.79904845182
4 √n
65.27063551752
5 √n
28.29920746475
1 , 2 , 4 , 55 , 110 , 220 , 82499 , 164998 , 329996 , 4537445 , 9074890 , 18149780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18149779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18149780 can be divided by 12 positive divisors.
The sum of these divisors (counting 18149780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101001111000110010100
3
Ternary
1021011002211002
4
Quaternary
1011033012110
5
Quinary
14121243110
6
Senary
1445002432
8
Octal
105170624
10
Decimal
18149780
12
Duodecimal
60b3418
16
Hexadecimal
114f194
20
Vigesimal
5d8e90
36
Base36
at0gk
md5
03c761fcf89d43d6d5162e1aa5682cf1
sha1
4f18c71e268ebabb731b4080b886f3b9f49d8dae
sha256
56bd1bcb905bad2ae257fa14201f048627503efddd48241de53d8981c923c798
sha512
4677f67e7560d4c5447dfb36459d3a64f1c0e82949015901fb39ccce404d989c9a14475f43023ae5e2bd9382ec752414fe923c173719b630229b75a82d4eb0e5
ripemd-160
99f021b3f4463cda4d5dfa52b0ac14f23d9fcca7
Diameter
36299560
Circumference
114038431.02454
Area
1.0348862173203E+15
Volume
2.5043942892528E+22
Surface area
4.1395448692812E+15
Circumference
114038431.02454
Perimeter
72599120
Area
329414514048400
Diagonal
25667665.030088
Surface area
1976487084290400
Volume
5.9788009587854E+21
Space diagonal
31436341.106197
Perimeter
54449340
Area
1.4264066877061E+14
Altitude
15718170.553099
Surface area
1.4264066877061E+14
Volume
7.0460845022029E+20
Height
8555888.3433627