19998180 is an even 8-digits composite number following 19998179
and preceding 19998181 . In scientific notation, it is written as 1.9998180 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 5299200 positive integers (up to 19998180) that are relatively prime to 19998180.
19998180 has 24 divisors, whose sum is 36000888
The reverse of 19998180 is 08189991
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety-eight thousand one hundred eighty
Scientific notation
1.9998180 × 10^7
Engineering notation
1.9998180 × 10^6
Prime Factorization
2 × 2 × 45 × 241 × 461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9999090
Product of the distinct prime numbers
The prime factorization of 19998180 is 2 × 2 × 45 × 241 × 461.
Since it has a total of 5 prime factors.
10 , 5 , 89 , 41 , 242 , 324 , 165 , 3433 , 18115 , 23062 , 459278 , 528399 , 228284 , 4511260 , 73600620 , 65861569 , 452754459 , 289577573 , 3824485991 , 483466269
n×2
39996360
n×3
59994540
n×4
79992720
n×5
99990900
n÷2
9999090
n÷3
6666060
n÷3
4999545
n÷5
3999636
n2
399927203312400
n3
7.997816198738E+21
n4
1.5994176794928E+29
n5
3.1985442649679E+36
2 √n
4471.9324681842
3 √n
271.43352767628
4 √n
66.872509061528
5 √n
28.853472956262
1 , 2 , 4 , 45 , 90 , 180 , 241 , 461 , 482 , 922 , 964 , 1844 , 10845 , 20745 , 21690 , 41490 , 43380 , 82980 , 111101 , 222202 , 444404 , 4999545 , 9999090 , 19998180
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19998179
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998180 can be divided by 24 positive divisors.
The sum of these divisors (counting 19998180) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010010010111100100
3
Ternary
1101122000100100
4
Quaternary
1030102113210
5
Quinary
20104420210
6
Senary
1552344100
8
Octal
114222744
10
Decimal
19998180
12
Duodecimal
6845030
16
Hexadecimal
13125e4
20
Vigesimal
64jf90
36
Base36
bwmp0
md5
ee45abf4a5e052afc85f055b4a721114
sha1
f2b6045d5d14bf83b848c8bde040d051ac307e3b
sha256
d78ce7f284fdc754de54b0e2736baac35f70029312531ef31ce172f2cbdc96e3
sha512
779f106380ab3feac991a8e7814b84bd86981440524b078d78ae053592cf88d2f35c58eae3207b8e00faf7940a44a5557f2fc42a897f000dd81992e7480983be
ripemd-160
e6118ca6e202976e9cd3f30ba2802f8fe4b55d86
Diameter
39996360
Circumference
125652270.74633
Area
1.2564083638969E+15
Volume
3.3501174152956E+22
Surface area
5.0256334555878E+15
Circumference
125652270.74633
Perimeter
79992720
Area
399927203312400
Diagonal
28281697.378778
Surface area
2399563219874400
Volume
7.997816198738E+21
Space diagonal
34637863.818908
Perimeter
59994540
Area
1.731735588665E+14
Altitude
17318931.909454
Surface area
1.731735588665E+14
Volume
9.4255167813521E+20
Height
9427232.4595928