18994512 is an even 8-digits composite number following 18994511
and preceding 18994513 . In scientific notation, it is written as 1.8994512 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 20 positive divisors.
There are 6331488 positive integers (up to 18994512) that are relatively prime to 18994512.
18994512 has 20 divisors, whose sum is 49069280
The reverse of 18994512 is 21549981
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million nine hundred ninety-four thousand five hundred twelve
Scientific notation
1.8994512 × 10^7
Engineering notation
1.8994512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 395719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2374314
Product of the distinct prime numbers
The prime factorization of 18994512 is 2 × 2 × 2 × 2 × 3 × 395719.
Since it has a total of 6 prime factors.
9 , 5 , 100 , 66 , 342 , 348 , 6786 , 2967 , 87818 , 1952 , 628546 , 671011 , 7936777 , 522791 , 90207651 , 79859603 , 448000376 , 534035990 , 772418666 , 6934273815
n×2
37989024
n×3
56983536
n×4
75978048
n×5
94972560
n÷2
9497256
n÷3
6331504
n÷3
4748628
n÷5
3798902.4
n2
360791486118144
n3
6.8530582125689E+21
n4
1.3017049645534E+29
n5
2.4725250569669E+36
2 √n
4358.2693813026
3 √n
266.81447083987
4 √n
66.017190043977
5 √n
28.557857885819
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 395719 , 791438 , 1187157 , 1582876 , 2374314 , 3165752 , 4748628 , 6331504 , 9497256 , 18994512
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18994511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18994512 can be divided by 20 positive divisors.
The sum of these divisors (counting 18994512) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001000011101010101010000
3
Ternary
1022202000120110
4
Quaternary
1020131111100
5
Quinary
14330311022
6
Senary
1515041320
8
Octal
110352520
10
Decimal
18994512
12
Duodecimal
6440240
16
Hexadecimal
121d550
20
Vigesimal
5ie65c
36
Base36
bb49c
md5
5b02f78b941530491cf2d26f86423108
sha1
7a05042ca9d7aa116be8d46d674e2b9a60f4f8a0
sha256
e9f8a9104fb7d0bd1551ce98c2b944354cc9613ceb6a7c4646edff23f31a8183
sha512
a43f5b383723409aef68f45690d13ce3ea1c987b9cf13fb9548ad7959fc499918456a76f4ded98646eddcc27f4ce5a85cc96debfac5966b39647d6b6af1dcfab
ripemd-160
4b8f6e199ca68931c45c02bbe199c6f796df00b4
Diameter
37989024
Circumference
119346038.71545
Area
1.1334598822665E+15
Volume
2.870602311364E+22
Surface area
4.533839529066E+15
Circumference
119346038.71545
Perimeter
75978048
Area
360791486118144
Diagonal
26862296.481059
Surface area
2164748916708864
Volume
6.8530582125689E+21
Space diagonal
32899459.848977
Perimeter
56983536
Area
1.5622729622373E+14
Altitude
16449729.924488
Surface area
1.5622729622373E+14
Volume
8.0764065566227E+20
Height
8954098.8270195