18996490 is an even 8-digits composite number following 18996489
and preceding 18996491 . In scientific notation, it is written as 1.8996490 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 7294080 positive integers (up to 18996490) that are relatively prime to 18996490.
18996490 has 32 divisors, whose sum is 35582976
The reverse of 18996490 is 09469981
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million nine hundred ninety-six thousand four hundred ninety
Scientific notation
1.8996490 × 10^7
Engineering notation
1.8996490 × 10^6
Prime Factorization
2 × 5 × 31 × 233 × 263
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18996490
Product of the distinct prime numbers
The prime factorization of 18996490 is 2 × 5 × 31 × 233 × 263.
Since it has a total of 5 prime factors.
8 , 10 , 3 , 15 , 494 , 827 , 557 , 3792 , 32798 , 11503 , 239777 , 299259 , 23606 , 8506101 , 26609700 , 34369660 , 423504402 , 807158897 , 6875880683 , 2957579899
n×2
37992980
n×3
56989470
n×4
75985960
n×5
94982450
n÷2
9498245
n÷3
6332163.3333333
n÷3
4749122.5
n÷5
3799298
n2
360866632320100
n3
6.8551993722025E+21
n4
1.3022472632205E+29
n5
2.4738127113296E+36
2 √n
4358.4963003311
3 √n
266.82373212377
4 √n
66.018908657529
5 √n
28.558452637504
1 , 2 , 5 , 10 , 31 , 62 , 155 , 233 , 263 , 310 , 466 , 526 , 1165 , 1315 , 2330 , 2630 , 7223 , 8153 , 14446 , 16306 , 36115 , 40765 , 61279 , 72230 , 81530 , 122558 , 306395 , 612790 , 1899649 , 3799298 , 9498245 , 18996490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18996489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18996490 can be divided by 32 positive divisors.
The sum of these divisors (counting 18996490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011101110100001010
3
Ternary
1022202010021201
4
Quaternary
1020131310022
5
Quinary
14330341430
6
Senary
1515054414
8
Octal
110356412
10
Decimal
18996490
12
Duodecimal
644140a
16
Hexadecimal
121dd0a
20
Vigesimal
5ieb4a
36
Base36
bb5sa
md5
7bcfd123c2322082a10985f149a7e720
sha1
496cce27702cbb764acebacc4d9f220e5a9db3b2
sha256
d5c450e1304c714e8ed61f7bc9e5cfe7b670c61bef9434c277d5ca2bdbd8b795
sha512
d3e77a885aa46507350fd48e694cf88d01e1bb122d6e217cf55046af04543335aa36fdc9308af153fe905efafb150e7e40fd653466a41dacf5023f34b2f60d7e
ripemd-160
b5a6189058387bce4c7c8ffe674f295622fde455
Diameter
37992980
Circumference
119358466.85598
Area
1.1336959610225E+15
Volume
2.8714991982139E+22
Surface area
4.5347838440901E+15
Circumference
119358466.85598
Perimeter
75985960
Area
360866632320100
Diagonal
26865093.795485
Surface area
2165199793920600
Volume
6.8551993722025E+21
Space diagonal
32902885.845474
Perimeter
56989470
Area
1.5625983548367E+14
Altitude
16451442.922737
Surface area
1.5625983548367E+14
Volume
8.0789299374502E+20
Height
8955031.2651616