18990111 is an odd 8-digits composite number following 18990110
and preceding 18990112 . In scientific notation, it is written as 1.8990111 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10379424 positive integers (up to 18990111) that are relatively prime to 18990111.
18990111 has 16 divisors, whose sum is 30196224
The reverse of 18990111 is 11109981
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million nine hundred ninety thousand one hundred eleven
Scientific notation
1.8990111 × 10^7
Engineering notation
1.8990111 × 10^6
Prime Factorization
3 × 7 × 23 × 39317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18990111
Product of the distinct prime numbers
The prime factorization of 18990111 is 3 × 7 × 23 × 39317.
Since it has a total of 4 prime factors.
2 , 2 , 57 , 88 , 298 , 396 , 5526 , 757 , 63716 , 56735 , 381828 , 157266 , 3216815 , 1664258 , 86737184 , 32982310 , 331012509 , 341586913 , 5590982459 , 169962141
n×2
37980222
n×3
56970333
n×4
75960444
n×5
94950555
n÷2
9495055.5
n÷3
6330037
n÷3
4747527.75
n÷5
3798022.2
n2
360624315792321
n3
6.8482957861952E+21
n4
1.3004989714068E+29
n5
2.4696619822401E+36
2 √n
4357.7644498068
3 √n
266.79386241029
4 √n
66.013365690645
5 √n
28.556534400568
1 , 3 , 7 , 21 , 23 , 69 , 161 , 483 , 39317 , 117951 , 275219 , 825657 , 904291 , 2712873 , 6330037 , 18990111
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18990110
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18990111 can be divided by 16 positive divisors.
The sum of these divisors (counting 18990111) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011100010000011111
3
Ternary
1022201210112110
4
Quaternary
1020130100133
5
Quinary
14330140421
6
Senary
1515005103
8
Octal
110342037
10
Decimal
18990111
12
Duodecimal
6439793
16
Hexadecimal
121c41f
20
Vigesimal
5idf5b
36
Base36
bb0v3
md5
48e49495d5b2db1a1e7695a3fe5c4155
sha1
bd132412caaac61df5b7618d1d2e6f6485e2c6ab
sha256
5543ebb13589f1a1c6b7178754ba4873c4d8dd8caa464c5485572403dab1ffb4
sha512
87acd07c3649c291d3def60359a4d31964f4e86d59e0c3b0af5ca07247367816c33f68932850143af00b3f2ccde9ef2cdf580706a074eaf8426f7ce6376be862
ripemd-160
e9a799d33fea490fbc7378d5a2baf550ff499f03
Diameter
37980222
Circumference
119318386.41691
Area
1.132934701199E+15
Volume
2.8686074308694E+22
Surface area
4.531738804796E+15
Circumference
119318386.41691
Perimeter
75960444
Area
360624315792321
Diagonal
26856072.527171
Surface area
2163745894753926
Volume
6.8482957861952E+21
Space diagonal
32891837.093373
Perimeter
56970333
Area
1.5615490934927E+14
Altitude
16445918.546686
Surface area
1.5615490934927E+14
Volume
8.0707939833165E+20
Height
8952024.1757235