18781364 is an even 8-digits composite number following 18781363
and preceding 18781365 . In scientific notation, it is written as 1.8781364 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 8049144 positive integers (up to 18781364) that are relatively prime to 18781364.
18781364 has 12 divisors, whose sum is 37562784
The reverse of 18781364 is 46318781
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million seven hundred eighty-one thousand three hundred sixty-four
Scientific notation
1.8781364 × 10^7
Engineering notation
1.8781364 × 10^6
Prime Factorization
2 × 2 × 7 × 670763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9390682
Product of the distinct prime numbers
The prime factorization of 18781364 is 2 × 2 × 7 × 670763.
Since it has a total of 4 prime factors.
6 , 7 , 61 , 42 , 305 , 899 , 1789 , 5058 , 38753 , 24585 , 134503 , 60066 , 2331732 , 2164354 , 36231040 , 2116480 , 775714407 , 721734849 , 621905342 , 3719996458
n×2
37562728
n×3
56344092
n×4
75125456
n×5
93906820
n÷2
9390682
n÷3
6260454.6666667
n÷3
4695341
n÷5
3756272.8
n2
352739633700496
n3
6.6249314577557E+21
n4
1.2442524918316E+29
n5
2.3368758956996E+36
2 √n
4333.7471084501
3 √n
265.81268965935
4 √n
65.831201633041
5 √n
28.493475519129
1 , 2 , 4 , 7 , 14 , 28 , 670763 , 1341526 , 2683052 , 4695341 , 9390682 , 18781364
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
-18781363
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 18781364 can be divided by 12 positive divisors.
The sum of these divisors (counting 18781364) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111101001010010110100
3
Ternary
1022100012012002
4
Quaternary
1013221102310
5
Quinary
14302000424
6
Senary
1510314432
8
Octal
107512264
10
Decimal
18781364
12
Duodecimal
6358a18
16
Hexadecimal
11e94b4
20
Vigesimal
5h7d84
36
Base36
b6jsk
md5
62512ad2d37c7335e3e985a9e5063a99
sha1
bbdcd02911dc4db7dbf2a1c447238ce80bc0a5e2
sha256
b3d647439c16cd6649bb1ce0e8cc3996917e287426b4698c03dc307a8544f26d
sha512
fce61862de8bc3c77a85a589874d628c77d767abe8efc06768ea838ff84733d3c2d9a1f604e304a63a684c0dedb43cae8e570963d7d6afe81ad4fd2ad16e886e
ripemd-160
1a4c0c005453186fe41aa960651a59e0c05beaaa
Diameter
37562728
Circumference
118006790.33359
Area
1.1081642418634E+15
Volume
2.7750447997628E+22
Surface area
4.4326569674537E+15
Circumference
118006790.33359
Perimeter
75125456
Area
352739633700496
Diagonal
26560859.688666
Surface area
2116437802202976
Volume
6.6249314577557E+21
Space diagonal
32530276.683445
Perimeter
56344092
Area
1.5274074185312E+14
Altitude
16265138.341723
Surface area
1.5274074185312E+14
Volume
7.8075565977919E+20
Height
8853619.8962219