18990460 is an even 8-digits composite number following 18990459
and preceding 18990461 . In scientific notation, it is written as 1.8990460 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 7596176 positive integers (up to 18990460) that are relatively prime to 18990460.
18990460 has 12 divisors, whose sum is 39880008
The reverse of 18990460 is 06409981
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million nine hundred ninety thousand four hundred sixty
Scientific notation
1.8990460 × 10^7
Engineering notation
1.8990460 × 10^6
Prime Factorization
2 × 2 × 5 × 949523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9495230
Product of the distinct prime numbers
The prime factorization of 18990460 is 2 × 2 × 5 × 949523.
Since it has a total of 4 prime factors.
3 , 3 , 69 , 42 , 512 , 172 , 5396 , 8937 , 28419 , 75538 , 686948 , 319411 , 5932760 , 3774314 , 34159790 , 32358051 , 356005146 , 326280406 , 149923778 , 7169157756
n×2
37980920
n×3
56971380
n×4
75961840
n×5
94952300
n÷2
9495230
n÷3
6330153.3333333
n÷3
4747615
n÷5
3798092
n2
360637571011600
n3
6.8486733667929E+21
n4
1.3005945762515E+29
n5
2.469888927652E+36
2 √n
4357.8044930905
3 √n
266.79549677826
4 √n
66.013668986737
5 √n
28.556639362116
1 , 2 , 4 , 5 , 10 , 20 , 949523 , 1899046 , 3798092 , 4747615 , 9495230 , 18990460
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
-18990459
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 18990460 can be divided by 12 positive divisors.
The sum of these divisors (counting 18990460) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011100010101111100
3
Ternary
1022201211000101
4
Quaternary
1020130111330
5
Quinary
14330143320
6
Senary
1515010444
8
Octal
110342574
10
Decimal
18990460
12
Duodecimal
6439a24
16
Hexadecimal
121c57c
20
Vigesimal
5idg30
36
Base36
bb14s
md5
f879183544e19f38638e2bf7cf7bf01c
sha1
851d5d3086836831d25648389db394df2d986afe
sha256
de1a4b0e5b64fddc6b47de10343e615dcfe9d64590a1b8ff6da014b5b13fe12c
sha512
196489c1ec8cd26f2f0db2919025682ccc62e29b1528481ed123868c6fa10228f038ee9377c6a6a43a8409ef3b5b37096026a917346b2d1ca9155d8fe51ee76d
ripemd-160
34416aa8f1ff2c4c36a460f73f50cf5f04b5ab33
Diameter
37980920
Circumference
119320579.24858
Area
1.1329763436985E+15
Volume
2.8687655914604E+22
Surface area
4.531905374794E+15
Circumference
119320579.24858
Perimeter
75961840
Area
360637571011600
Diagonal
26856566.087704
Surface area
2163825426069600
Volume
6.8486733667929E+21
Space diagonal
32892441.579104
Perimeter
56971380
Area
1.5616064902758E+14
Altitude
16446220.789552
Surface area
1.5616064902758E+14
Volume
8.0712389663183E+20
Height
8952188.6959013