18990103 is an odd 8-digits composite number following 18990102
and preceding 18990104 . In scientific notation, it is written as 1.8990103 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 17263620 positive integers (up to 18990103) that are relatively prime to 18990103.
18990103 has 6 divisors, whose sum is 20873552
The reverse of 18990103 is 30109981
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million nine hundred ninety thousand one hundred three
Scientific notation
1.8990103 × 10^7
Engineering notation
1.8990103 × 10^6
Prime Factorization
11 × 11 × 156943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1726373
Product of the distinct prime numbers
The prime factorization of 18990103 is 11 × 11 × 156943.
Since it has a total of 3 prime factors.
5 , 9 , 74 , 58 , 877 , 692 , 469 , 6745 , 12242 , 47132 , 647408 , 513168 , 3012082 , 7994790 , 84550502 , 68037622 , 832650000 , 519451893 , 5822812973 , 4804387888
n×2
37980206
n×3
56970309
n×4
75960412
n×5
94950515
n÷2
9495051.5
n÷3
6330034.3333333
n÷3
4747525.75
n÷5
3798020.6
n2
360624011950609
n3
6.8482871312153E+21
n4
1.3004967799535E+29
n5
2.4696567802486E+36
2 √n
4357.7635319049
3 √n
266.79382494603
4 √n
66.01335873825
5 √n
28.556531994554
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18990102
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18990103 can be divided by 6 positive divisors.
The sum of these divisors (counting 18990103) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001000011100010000010111
3
Ternary
1022201210112011
4
Quaternary
1020130100113
5
Quinary
14330140403
6
Senary
1515005051
8
Octal
110342027
10
Decimal
18990103
12
Duodecimal
6439787
16
Hexadecimal
121c417
20
Vigesimal
5idf53
36
Base36
bb0uv
md5
01ec4ff245742d3c0387982d6a90dce2
sha1
6c5925710413c61c174b9795c928409104cddb9f
sha256
c0a795b5554650b6ceb758641c132ed79abddf65a77a1f77ebdb8a7f29ed61b0
sha512
882cd58601a0ae610e39c087a09f43263e28da172370663df68f74a83c1343225cba05f2df1944a692d58e6194baf1675549b138cf78931da1f5bd100a1b351b
ripemd-160
060297ad61448fe3aed15be82b840c0b9dbf326b
Diameter
37980206
Circumference
119318336.15143
Area
1.1329337466521E+15
Volume
2.8686038054799E+22
Surface area
4.5317349866084E+15
Circumference
119318336.15143
Perimeter
75960412
Area
360624011950609
Diagonal
26856061.213462
Surface area
2163744071703654
Volume
6.8482871312153E+21
Space diagonal
32891823.236966
Perimeter
56970309
Area
1.5615477778195E+14
Altitude
16445911.618483
Surface area
1.5615477778195E+14
Volume
8.0707837833248E+20
Height
8952020.4044873