19998545 is an odd 8-digits composite number following 19998544
and preceding 19998546 . In scientific notation, it is written as 1.9998545 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 11612160 positive integers (up to 19998545) that are relatively prime to 19998545.
19998545 has 16 divisors, whose sum is 22171200
The reverse of 19998545 is 54589991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-eight thousand five hundred forty-five
Scientific notation
1.9998545 × 10^7
Engineering notation
1.9998545 × 10^6
Prime Factorization
595 × 19 × 29 × 61
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998545
Product of the distinct prime numbers
The prime factorization of 19998545 is 595 × 19 × 29 × 61.
Since it has a total of 4 prime factors.
6 , 7 , 37 , 75 , 857 , 923 , 2001 , 9433 , 2467 , 13368 , 980526 , 164325 , 5241579 , 1571899 , 43763104 , 78912361 , 538954011 , 513475850 , 8352286059 , 9016325428
n×2
39997090
n×3
59995635
n×4
79994180
n×5
99992725
n÷2
9999272.5
n÷3
6666181.6666667
n÷3
4999636.25
n÷5
3999709
n2
399941802117025
n3
7.9982541270184E+21
n4
1.5995344508061E+29
n5
3.1988361693497E+36
2 √n
4471.9732780955
3 √n
271.43517903714
4 √n
66.87281419303
5 √n
28.853578280254
1 , 19 , 29 , 61 , 551 , 595 , 1159 , 1769 , 11305 , 17255 , 33611 , 36295 , 327845 , 689605 , 1052555 , 19998545
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
-19998544
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 19998545 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010011101010001
3
Ternary
1101122000211212
4
Quaternary
1030102131101
5
Quinary
20104423140
6
Senary
1552345505
8
Octal
114223521
10
Decimal
19998545
12
Duodecimal
6845295
16
Hexadecimal
1312751
20
Vigesimal
64jg75
36
Base36
bwmz5
md5
97d4fb3ccaa3659ea72b6cc26e230d86
sha1
c2f0ff4b1fd5bb0905b42eaf517f9ec9e49a8532
sha256
d98e9258c4860a88ae589e03521718129069b86dab2e080ab308304475912617
sha512
b13eaa83c2e667d0b1ba4f799e57e29207e631776ee0634610b9edf7046473cbcce084347146d7e5268dd47e90d3db8599fcfe8e770b46cf2d75876a54524acd
ripemd-160
0bfbb32434591c10abe5fabf78c181c0bec9f8a2
Diameter
39997090
Circumference
125654564.10897
Area
1.2564542273943E+15
Volume
3.3503008542647E+22
Surface area
5.0258169095772E+15
Circumference
125654564.10897
Perimeter
79994180
Area
399941802117025
Diagonal
28282213.566729
Surface area
2399650812702150
Volume
7.9982541270184E+21
Space diagonal
34638496.017453
Perimeter
59995635
Area
1.7317988033434E+14
Altitude
17319248.008726
Surface area
1.7317988033434E+14
Volume
9.42603288478E+20
Height
9427404.5222429