18849939 is an odd 8-digits composite number following 18849938
and preceding 18849940 . In scientific notation, it is written as 1.8849939 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 12554976 positive integers (up to 18849939) that are relatively prime to 18849939.
18849939 has 8 divisors, whose sum is 25156560
The reverse of 18849939 is 93994881
Previous prime number is 1429
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighteen million eight hundred forty-nine thousand nine hundred thirty-nine
Scientific notation
1.8849939 × 10^7
Engineering notation
1.8849939 × 10^6
Prime Factorization
3 × 1429 × 4397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18849939
Product of the distinct prime numbers
The prime factorization of 18849939 is 3 × 1429 × 4397.
Since it has a total of 3 prime factors.
5 , 2 , 69 , 55 , 25 , 343 , 4109 , 6193 , 14463 , 60615 , 749613 , 411853 , 146437 , 2605136 , 50931562 , 8892645 , 9965327 , 342808680 , 3136113565 , 645645313
n×2
37699878
n×3
56549817
n×4
75399756
n×5
94249695
n÷2
9424969.5
n÷3
6283313
n÷3
4712484.75
n÷5
3769987.8
n2
355320200303721
n3
6.6977641011929E+21
n4
1.2625244474388E+29
n5
2.3798508820229E+36
2 √n
4341.6516442478
3 √n
266.13581076156
4 √n
65.891210675232
5 √n
28.514252419135
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18849938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18849939 can be divided by 8 positive divisors.
The sum of these divisors (counting 18849939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000111111010000010010011
3
Ternary
1022110200020220
4
Quaternary
1013322002103
5
Quinary
14311144224
6
Senary
1512004123
8
Octal
107720223
10
Decimal
18849939
12
Duodecimal
6390643
16
Hexadecimal
11fa093
20
Vigesimal
5hg4gj
36
Base36
b80pf
md5
4001bbd5c150ca6bff9a5e67b1cd0812
sha1
261449d08bb0ec2408d91c7a2001a4e8f9d92087
sha256
102873d91f4dee28bb76dac52e6a014d11883e1a165fb874ca0f02eed34b5cd9
sha512
dfda145e39eebc98085a50e585c50026be99bd37d6035957e683af74ade917525d13a3e7f9b9be4ffb96879cd6c7a6b412eccd38ca406e81075158946cbea3aa
ripemd-160
3b498502f307e34c212ad86a21af487dceb095b2
Diameter
37699878
Circumference
118437659.76603
Area
1.1162713309462E+15
Volume
2.8055528661047E+22
Surface area
4.4650853237849E+15
Circumference
118437659.76603
Perimeter
75399756
Area
355320200303721
Diagonal
26657839.383706
Surface area
2131921201822326
Volume
6.6977641011929E+21
Space diagonal
32649052.067574
Perimeter
56549817
Area
1.538581599704E+14
Altitude
16324526.033787
Surface area
1.538581599704E+14
Volume
7.8933906912356E+20
Height
8885946.4612352