18994090 is an even 8-digits composite number following 18994089
and preceding 18994091 . In scientific notation, it is written as 1.8994090 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 7216704 positive integers (up to 18994090) that are relatively prime to 18994090.
18994090 has 32 divisors, whose sum is 35925120
The reverse of 18994090 is 09049981
Previous prime number is 269
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred ninety-four thousand ninety
Scientific notation
1.8994090 × 10^7
Engineering notation
1.8994090 × 10^6
Prime Factorization
2 × 5 × 23 × 269 × 307
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18994090
Product of the distinct prime numbers
The prime factorization of 18994090 is 2 × 5 × 23 × 269 × 307.
Since it has a total of 5 prime factors.
10 , 9 , 76 , 13 , 13 , 842 , 2161 , 6969 , 92977 , 88250 , 224058 , 519441 , 2000383 , 5135245 , 42363859 , 37210590 , 53307894 , 405270025 , 8320089085 , 8539606655
n×2
37988180
n×3
56982270
n×4
75976360
n×5
94970450
n÷2
9497045
n÷3
6331363.3333333
n÷3
4748522.5
n÷5
3798818
n2
360775454928100
n3
6.8526014606953E+21
n4
1.3015892887858E+29
n5
2.4722504094233E+36
2 √n
4358.2209673214
3 √n
266.81249489122
4 √n
66.016823365877
5 √n
28.557730991028
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 269 , 307 , 538 , 614 , 1345 , 1535 , 2690 , 3070 , 6187 , 7061 , 12374 , 14122 , 30935 , 35305 , 61870 , 70610 , 82583 , 165166 , 412915 , 825830 , 1899409 , 3798818 , 9497045 , 18994090
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
-18994089
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 18994090 can be divided by 32 positive divisors.
The sum of these divisors (counting 18994090) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011101001110101010
3
Ternary
1022201222222211
4
Quaternary
1020131032222
5
Quinary
14330302330
6
Senary
1515035334
8
Octal
110351652
10
Decimal
18994090
12
Duodecimal
643bb4a
16
Hexadecimal
121d3aa
20
Vigesimal
5ie54a
36
Base36
bb3xm
md5
184385b614ddaa4353aa9534fa8b0707
sha1
b6aac70a99b365907de203818dcec11959eaa988
sha256
89f9484a894c1eb6387b879715b887c4ac09de08f990d534ddedbd1e1752849d
sha512
47fb36214e3dd67a8307ba754a62e5e53f0605becd2f47e2184f7ea17c1c484d66390abb1ed5aec84a2c79d3d54f22d896be2d5c10c1b2d0ae71f8a0aef93238
ripemd-160
9accc864841726066954990cfc2a15dacd6e7f90
Diameter
37988180
Circumference
119343387.21125
Area
1.1334095187976E+15
Volume
2.8704109875865E+22
Surface area
4.5336380751905E+15
Circumference
119343387.21125
Perimeter
75976360
Area
360775454928100
Diagonal
26861699.682935
Surface area
2164652729568600
Volume
6.8526014606953E+21
Space diagonal
32898728.923536
Perimeter
56982270
Area
1.5622035451481E+14
Altitude
16449364.461768
Surface area
1.5622035451481E+14
Volume
8.0758682693775E+20
Height
8953899.8943117