18988051 is an odd 8-digits composite number following 18988050
and preceding 18988052 . In scientific notation, it is written as 1.8988051 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 18866952 positive integers (up to 18988051) that are relatively prime to 18988051.
18988051 has 4 divisors, whose sum is 19109152
The reverse of 18988051 is 15088981
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred eighty-eight thousand fifty-one
Scientific notation
1.8988051 × 10^7
Engineering notation
1.8988051 × 10^6
Prime Factorization
157 × 120943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18988051
Product of the distinct prime numbers
The prime factorization of 18988051 is 157 × 120943.
Since it has a total of 2 prime factors.
4 , 9 , 88 , 48 , 46 , 276 , 8993 , 4632 , 26598 , 83819 , 779141 , 823565 , 6252035 , 6466056 , 89422053 , 60887029 , 154641626 , 715333183 , 8023067152 , 524917544
n×2
37976102
n×3
56964153
n×4
75952204
n×5
94940255
n÷2
9494025.5
n÷3
6329350.3333333
n÷3
4747012.75
n÷5
3797610.2
n2
360546080778601
n3
6.8460673696742E+21
n4
1.2999347636481E+29
n5
2.4683227588823E+36
2 √n
4357.5280836731
3 √n
266.78421501661
4 √n
66.011575376392
5 √n
28.555914825321
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18988050
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18988051 can be divided by 4 positive divisors.
The sum of these divisors (counting 18988051) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011011110000010011
3
Ternary
1022201200201011
4
Quaternary
1020123300103
5
Quinary
14330104201
6
Senary
1514551351
8
Octal
110336023
10
Decimal
18988051
12
Duodecimal
6438557
16
Hexadecimal
121bc13
20
Vigesimal
5ida2b
36
Base36
baz9v
md5
1af7f7ace899f65a372b1a061e4e0a64
sha1
4706ebeef59f4a68a040826174da1de55e799608
sha256
41976c5ae37919dc7dffe7ca69c0afee0f139bba5fbf929f1cadf60888058d84
sha512
177be65c6f3682b94522e86dcb7f24e124575f1087c1548da66e6007a66159cc6bf27600dfe13cc4fadff14647702d5682e33e9b4e026b46a6ef24a5e9413320
ripemd-160
79e0eacc60d9a4fc109ad956bb41b4c8d0ac6daf
Diameter
37976102
Circumference
119305443.05518
Area
1.1326889186546E+15
Volume
2.8676739939399E+22
Surface area
4.5307556746186E+15
Circumference
119305443.05518
Perimeter
75952204
Area
360546080778601
Diagonal
26853159.247232
Surface area
2163276484671606
Volume
6.8460673696742E+21
Space diagonal
32888269.068709
Perimeter
56964153
Area
1.5612103259459E+14
Altitude
16444134.534355
Surface area
1.5612103259459E+14
Volume
8.068167769261E+20
Height
8951053.0824107