18940149 is an odd 8-digits composite number following 18940148
and preceding 18940150 . In scientific notation, it is written as 1.8940149 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 12626280 positive integers (up to 18940149) that are relatively prime to 18940149.
18940149 has 12 divisors, whose sum is 27696812
The reverse of 18940149 is 94104981
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million nine hundred forty thousand one hundred forty-nine
Scientific notation
1.8940149 × 10^7
Engineering notation
1.8940149 × 10^6
Prime Factorization
81 × 3 × 3 × 25981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6313383
Product of the distinct prime numbers
The prime factorization of 18940149 is 81 × 3 × 3 × 25981.
Since it has a total of 4 prime factors.
5 , 4 , 54 , 25 , 351 , 661 , 7947 , 5788 , 4720 , 19507 , 64489 , 496066 , 682122 , 3009126 , 69587994 , 82510188 , 492086864 , 886319853 , 9453817158 , 8576855530
n×2
37880298
n×3
56820447
n×4
75760596
n×5
94700745
n÷2
9470074.5
n÷3
6313383
n÷3
4735037.25
n÷5
3788029.8
n2
358729244142201
n3
6.7943853347107E+21
n4
1.2868667060283E+29
n5
2.4373447155316E+36
2 √n
4352.0281478869
3 √n
266.55968330062
4 √n
65.96990334908
5 √n
28.541492409296
1 , 3 , 9 , 81 , 243 , 729 , 25981 , 77943 , 233829 , 2104461 , 6313383 , 18940149
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
-18940148
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 18940149 can be divided by 12 positive divisors.
The sum of these divisors (counting 18940149) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000010000000011110101
3
Ternary
1022122021000000
4
Quaternary
1020100003311
5
Quinary
14322041044
6
Senary
1513541513
8
Octal
110200365
10
Decimal
18940149
12
Duodecimal
6414899
16
Hexadecimal
12100f5
20
Vigesimal
5i7a79
36
Base36
b9yb9
md5
b07fa3932281907a331e00cfd19841a7
sha1
951c9773cd76aeafc2e7fccacd46e2a4d9837398
sha256
ebcf64c3914e239e8173086671d2efacb645c64bd5e9b967a15ea82bdd8e5021
sha512
1ebe097071693d0624681c0c4b830ae509814b9c9dac55573964a84e35b3d613195ba69a2c7efa30157a6f6f71a4be52338ef03989d13414baeac1340700463c
ripemd-160
073be3c1f2ac6822b21da93354bc3a1460db4e36
Diameter
37880298
Circumference
119004465.91259
Area
1.126981158025E+15
Volume
2.846025473758E+22
Surface area
4.5079246320998E+15
Circumference
119004465.91259
Perimeter
75760596
Area
358729244142201
Diagonal
26785415.589167
Surface area
2152375464853206
Volume
6.7943853347107E+21
Space diagonal
32805300.370925
Perimeter
56820447
Area
1.5533431925377E+14
Altitude
16402650.185462
Surface area
1.5533431925377E+14
Volume
8.0072599069472E+20
Height
8928471.8630557