18994018 is an even 8-digits composite number following 18994017
and preceding 18994019 . In scientific notation, it is written as 1.8994018 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 9464304 positive integers (up to 18994018) that are relatively prime to 18994018.
18994018 has 8 divisors, whose sum is 28589148
The reverse of 18994018 is 81049981
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred ninety-four thousand eighteen
Scientific notation
1.8994018 × 10^7
Engineering notation
1.8994018 × 10^6
Prime Factorization
2 × 293 × 32413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18994018
Product of the distinct prime numbers
The prime factorization of 18994018 is 2 × 293 × 32413.
Since it has a total of 3 prime factors.
9 , 1 , 30 , 95 , 993 , 415 , 2718 , 6657 , 9183 , 46719 , 832449 , 885292 , 3022836 , 1733225 , 84675120 , 84725676 , 777096023 , 485018383 , 4421254626 , 8336716764
n×2
37988036
n×3
56982054
n×4
75976072
n×5
94970090
n÷2
9497009
n÷3
6331339.3333333
n÷3
4748504.5
n÷5
3798803.6
n2
360772719784324
n3
6.8525235334924E+21
n4
1.3015695534058E+29
n5
2.4722035525641E+36
2 √n
4358.2127070624
3 √n
266.81215775962
4 √n
66.016760804074
5 √n
28.557709340507
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18994017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18994018 can be divided by 8 positive divisors.
The sum of these divisors (counting 18994018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101001101100010
3
Ternary
1022201222220011
4
Quaternary
1020131031202
5
Quinary
14330302033
6
Senary
1515035134
8
Octal
110351542
10
Decimal
18994018
12
Duodecimal
643baaa
16
Hexadecimal
121d362
20
Vigesimal
5ie50i
36
Base36
bb3vm
md5
044fe50ee0f33501929a91a9f9e76484
sha1
ac38a606baeb38a9f7299b2858222850741b84f5
sha256
808b7e0869aeb6d0591ab7bf8d2698c60c8aa113e3b19b9b554a53ddf4fb96e2
sha512
a9efe9b6c88a68e71b4583770a45058bb41e8822acc8724bdb1182d617d0582b670ec3780c15a5bfd30878e419e5d697500c5582e948497713763b167ba5a53c
ripemd-160
69ff6e56fde2cd51802a1c90faa8e209f17efc6f
Diameter
37988036
Circumference
119342934.8219
Area
1.13340092609E+15
Volume
2.8703783455161E+22
Surface area
4.5336037043602E+15
Circumference
119342934.8219
Perimeter
75976072
Area
360772719784324
Diagonal
26861597.859559
Surface area
2164636318705944
Volume
6.8525235334924E+21
Space diagonal
32898604.215878
Perimeter
56982054
Area
1.5621917016281E+14
Altitude
16449302.107939
Surface area
1.5621917016281E+14
Volume
8.0757764312881E+20
Height
8953865.9531862