18994906 is an even 8-digits composite number following 18994905
and preceding 18994907 . In scientific notation, it is written as 1.8994906 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 7859376 positive integers (up to 18994906) that are relatively prime to 18994906.
18994906 has 32 divisors, whose sum is 33707520
The reverse of 18994906 is 60949981
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million nine hundred ninety-four thousand nine hundred six
Scientific notation
1.8994906 × 10^7
Engineering notation
1.8994906 × 10^6
Prime Factorization
2 × 7 × 43 × 227 × 139
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18994906
Product of the distinct prime numbers
The prime factorization of 18994906 is 2 × 7 × 43 × 227 × 139.
Since it has a total of 5 prime factors.
6 , 6 , 6 , 86 , 693 , 729 , 6801 , 9971 , 91109 , 46513 , 104613 , 977854 , 8148795 , 9387255 , 49795094 , 95318269 , 988986752 , 922565774 , 6110697644 , 2465094199
n×2
37989812
n×3
56984718
n×4
75979624
n×5
94974530
n÷2
9497453
n÷3
6331635.3333333
n÷3
4748726.5
n÷5
3798981.2
n2
360806453948836
n3
6.8534846769515E+21
n4
1.3018129721113E+29
n5
2.4727815034835E+36
2 √n
4358.3145824963
3 √n
266.81631565649
4 √n
66.01753238721
5 √n
28.557976359014
1 , 2 , 7 , 14 , 43 , 86 , 139 , 227 , 278 , 301 , 454 , 602 , 973 , 1589 , 1946 , 3178 , 5977 , 9761 , 11954 , 19522 , 31553 , 41839 , 63106 , 68327 , 83678 , 136654 , 220871 , 441742 , 1356779 , 2713558 , 9497453 , 18994906
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
-18994905
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 18994906 can be divided by 32 positive divisors.
The sum of these divisors (counting 18994906) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011101011011011010
3
Ternary
1022202001010001
4
Quaternary
1020131123122
5
Quinary
14330314111
6
Senary
1515043214
8
Octal
110353332
10
Decimal
18994906
12
Duodecimal
644050a
16
Hexadecimal
121d6da
20
Vigesimal
5ie756
36
Base36
bb4ka
md5
d17e5a80ca9c80dc691f307e725703aa
sha1
fc275c8afe3936f41a63c0d1a9c088f5e06edb40
sha256
e245a1bc6a3043797885dfd46c7518686e941a01d14cb8830e8b2d07dc799090
sha512
b33beeaa740036be0168659659f1dc8c6d815c6984d32e457b6725d1761782daa036f29fe8b5e339962b1c9d398b45ccca4f1896552da9b0d750d3c0edec6073
ripemd-160
def85a008a84211f180053fd232dc9b5b42bf310
Diameter
37989812
Circumference
119348514.29046
Area
1.1335069050934E+15
Volume
2.8707809483468E+22
Surface area
4.5340276203738E+15
Circumference
119348514.29046
Perimeter
75979624
Area
360806453948836
Diagonal
26862853.681202
Surface area
2164838723693016
Volume
6.8534846769515E+21
Space diagonal
32900142.276995
Perimeter
56984718
Area
1.5623377748454E+14
Altitude
16450071.138497
Surface area
1.5623377748454E+14
Volume
8.0769091497175E+20
Height
8954284.5604007