18991034 is an even 8-digits composite number following 18991033
and preceding 18991035 . In scientific notation, it is written as 1.8991034 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9126000 positive integers (up to 18991034) that are relatively prime to 18991034.
18991034 has 16 divisors, whose sum is 29607936
The reverse of 18991034 is 43019981
Previous prime number is 1951
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million nine hundred ninety-one thousand thirty-four
Scientific notation
1.8991034 × 10^7
Engineering notation
1.8991034 × 10^6
Prime Factorization
2 × 157 × 1951 × 31
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18991034
Product of the distinct prime numbers
The prime factorization of 18991034 is 2 × 157 × 1951 × 31.
Since it has a total of 4 prime factors.
2 , 3 , 31 , 62 , 952 , 973 , 9830 , 4599 , 92264 , 43874 , 128675 , 310174 , 4982395 , 4141660 , 59326971 , 28933651 , 481867219 , 401649313 , 3342746991 , 2801050544
n×2
37982068
n×3
56973102
n×4
75964136
n×5
94955170
n÷2
9495517
n÷3
6330344.6666667
n÷3
4747758.5
n÷5
3798206.8
n2
360659372389156
n3
6.8492944034611E+21
n4
1.3007518289214E+29
n5
2.4702622208608E+36
2 √n
4357.8703514446
3 √n
266.79818477831
4 √n
66.014167808468
5 √n
28.556811988928
1 , 2 , 31 , 62 , 157 , 314 , 1951 , 3902 , 4867 , 9734 , 60481 , 120962 , 306307 , 612614 , 9495517 , 18991034
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18991033
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18991034 can be divided by 16 positive divisors.
The sum of these divisors (counting 18991034) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011100011110111010
3
Ternary
1022201211210122
4
Quaternary
1020130132322
5
Quinary
14330203114
6
Senary
1515013242
8
Octal
110343672
10
Decimal
18991034
12
Duodecimal
643a222
16
Hexadecimal
121c7ba
20
Vigesimal
5idhbe
36
Base36
bb1kq
md5
cfe5f887324beb6cc5a92f03ce3b6337
sha1
e926843daec81b98576e03d822ec2bc831b7d569
sha256
2052a5cf2dd7717973850cdd71d3cc1d72913f4bb316ea22e032d616aa29c61a
sha512
3c1e59105eae7c3cf6cff9460a93246c73c5262ba6ff3d5f70cbbe8d5cbdd627b3a8f4dc4e2d4574c3726585f439c27aa7cb29bc1ce439266d7690e45402f0b3
ripemd-160
ebf0942b508abe1eba22646680e255824acc8f2e
Diameter
37982068
Circumference
119324185.79695
Area
1.1330448347461E+15
Volume
2.8690257306916E+22
Surface area
4.5321793389843E+15
Circumference
119324185.79695
Perimeter
75964136
Area
360659372389156
Diagonal
26857377.846289
Surface area
2163956234334936
Volume
6.8492944034611E+21
Space diagonal
32893435.776268
Perimeter
56973102
Area
1.5617008930098E+14
Altitude
16446717.888134
Surface area
1.5617008930098E+14
Volume
8.0719708650507E+20
Height
8952459.2820962