18949969 is an odd 8-digits composite number following 18949968
and preceding 18949970 . In scientific notation, it is written as 1.8949969 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 18598272 positive integers (up to 18949969) that are relatively prime to 18949969.
18949969 has 8 divisors, whose sum is 19305000
The reverse of 18949969 is 96994981
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighteen million nine hundred forty-nine thousand nine hundred sixty-nine
Scientific notation
1.8949969 × 10^7
Engineering notation
1.8949969 × 10^6
Prime Factorization
89 × 149 × 1429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18949969
Product of the distinct prime numbers
The prime factorization of 18949969 is 89 × 149 × 1429.
Since it has a total of 3 prime factors.
7 , 10 , 84 , 29 , 837 , 255 , 4008 , 5045 , 247 , 11916 , 679595 , 674307 , 8827750 , 9307846 , 47531997 , 27850252 , 906743453 , 495369777 , 6011188341 , 815073901
n×2
37899938
n×3
56849907
n×4
75799876
n×5
94749845
n÷2
9474984.5
n÷3
6316656.3333333
n÷3
4737492.25
n÷5
3789993.8
n2
359101325100961
n3
6.8049589785221E+21
n4
1.2895376168927E+29
n5
2.443669786445E+36
2 √n
4353.1562113023
3 √n
266.60574354774
4 √n
65.978452628887
5 √n
28.544451407631
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
-18949968
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 18949969 can be divided by 8 positive divisors.
The sum of these divisors (counting 18949969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010010011101010001
3
Ternary
1022122202110201
4
Quaternary
1020102131101
5
Quinary
14322344334
6
Senary
1514055201
8
Octal
110223521
10
Decimal
18949969
12
Duodecimal
641a501
16
Hexadecimal
1212751
20
Vigesimal
5i8ei9
36
Base36
ba5w1
md5
2e3f2e042089507f2a5b25db6ac80d48
sha1
9fd5edc92118f9ec0e431caadb55ae89f0a59aa1
sha256
799449fbcdca316a9f85aaa0675ddf48456705f2bff36d9061860164bf235970
sha512
6dfb1d487d2f8762c0b2732d414d197b0e2b52a8a7fc2c3b774580f38355d25d0c25619ec705e0557f24b8bcd2070b020bb2968ab9d8bbf7f8a0689e14935c6f
ripemd-160
db45a736c98583e13ed2c26b52fe3cc3043c537f
Diameter
37899938
Circumference
119066166.79231
Area
1.1281500848315E+15
Volume
2.8504545513207E+22
Surface area
4.5126003393262E+15
Circumference
119066166.79231
Perimeter
75799876
Area
359101325100961
Diagonal
26799303.16635
Surface area
2154607950605766
Volume
6.8049589785221E+21
Space diagonal
32822309.109855
Perimeter
56849907
Area
1.5549543503504E+14
Altitude
16411154.554928
Surface area
1.5549543503504E+14
Volume
8.0197210656821E+20
Height
8933101.0554499