19988045 is an odd 8-digits composite number following 19988044
and preceding 19988046 . In scientific notation, it is written as 1.9988045 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors.
There are 12349440 positive integers (up to 19988045) that are relatively prime to 19988045.
19988045 has 32 divisors, whose sum is 30170880
The reverse of 19988045 is 54088991
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million nine hundred eighty-eight thousand forty-five
Scientific notation
1.9988045 × 10^7
Engineering notation
1.9988045 × 10^6
Prime Factorization
5 × 7 × 11 × 269 × 193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19988045
Product of the distinct prime numbers
The prime factorization of 19988045 is 5 × 7 × 11 × 269 × 193.
Since it has a total of 5 prime factors.
8 , 1 , 12 , 62 , 581 , 299 , 5997 , 3967 , 17787 , 45685 , 878130 , 943374 , 122057 , 7129852 , 62151816 , 56876341 , 42253431 , 789978673 , 5132385749 , 9139533508
n×2
39976090
n×3
59964135
n×4
79952180
n×5
99940225
n÷2
9994022.5
n÷3
6662681.6666667
n÷3
4997011.25
n÷5
3997609
n2
399521942922025
n3
7.9856625736129E+21
n4
1.5961778287619E+29
n5
3.1904474269295E+36
2 √n
4470.7991455667
3 √n
271.38766610851
4 √n
66.864034768826
5 √n
28.850547797599
1 , 5 , 7 , 11 , 35 , 55 , 77 , 193 , 269 , 385 , 965 , 1345 , 1351 , 1883 , 2123 , 2959 , 6755 , 9415 , 10615 , 14795 , 14861 , 20713 , 51917 , 74305 , 103565 , 259585 , 363419 , 571087 , 1817095 , 2855435 , 3997609 , 19988045
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
-19988044
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 19988045 can be divided by 32 positive divisors.
The sum of these divisors (counting 19988045) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001111111001001101
3
Ternary
1101121111102222
4
Quaternary
1030033321031
5
Quinary
20104104140
6
Senary
1552225125
8
Octal
114177115
10
Decimal
19988045
12
Duodecimal
683b1a5
16
Hexadecimal
130fe4d
20
Vigesimal
64ia25
36
Base36
bwevh
md5
47c9c1ba7429d94bc506c3227c8e876c
sha1
3ff588169f8cc7323b0d050ab36f306a226a8950
sha256
601ad7746e3aa8b7bea5b350a6344764d97a945e8a8eafa1dfa8c21d2f856efd
sha512
6bdec997f7d296a4fb898e5160e90224343eee97955a686b7539f2b9546c8eb70e39c90b7ff91610bbca2e60e2ff660adb27d64ebe6e13bfa3a90e7ceb3ad44d
ripemd-160
2be022957a81ec7279457cac16055433c1b8b891
Diameter
39976090
Circumference
125588590.66324
Area
1.2551352008318E+15
Volume
3.3450265167079E+22
Surface area
5.020540803327E+15
Circumference
125588590.66324
Perimeter
79952180
Area
399521942922025
Diagonal
28267364.324324
Surface area
2397131657532150
Volume
7.9856625736129E+21
Space diagonal
34620309.483973
Perimeter
59964135
Area
1.729980759699E+14
Altitude
17310154.741987
Surface area
1.729980759699E+14
Volume
9.4111935967821E+20
Height
9422454.7747746