20145555 is an odd 8-digits composite number following 20145554
and preceding 20145556 . In scientific notation, it is written as 2.0145555 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10252800 positive integers (up to 20145555) that are relatively prime to 20145555.
20145555 has 16 divisors, whose sum is 23331840
The reverse of 20145555 is 55554102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand five hundred fifty-five
Scientific notation
2.0145555 × 10^7
Engineering notation
2.0145555 × 10^6
Prime Factorization
895 × 9 × 61 × 41
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145555
Product of the distinct prime numbers
The prime factorization of 20145555 is 895 × 9 × 61 × 41.
Since it has a total of 4 prime factors.
6 , 7 , 15 , 72 , 840 , 476 , 6278 , 2208 , 63827 , 80404 , 981997 , 733544 , 3446592 , 9989481 , 86878669 , 38228667 , 239932374 , 838979556 , 4042965036 , 1100846790
n×2
40291110
n×3
60436665
n×4
80582220
n×5
100727775
n÷2
10072777.5
n÷3
6715185
n÷3
5036388.75
n÷5
4029111
n2
405843386258025
n3
8.1759402592473E+21
n4
1.6470885416938E+29
n5
3.3181512806562E+36
2 √n
4488.3799972819
3 √n
272.09866572655
4 √n
66.995372954271
5 √n
28.895874824624
1 , 9 , 41 , 61 , 369 , 549 , 895 , 2501 , 8055 , 22509 , 36695 , 54595 , 330255 , 491355 , 2238395 , 20145555
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
-20145554
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 20145555 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010110010011
3
Ternary
1101220111111200
4
Quaternary
1030312112103
5
Quinary
20124124210
6
Senary
1555442243
8
Octal
114662623
10
Decimal
20145555
12
Duodecimal
68b6383
16
Hexadecimal
1336593
20
Vigesimal
65i3hf
36
Base36
bzser
md5
6f28a383f749314768ef92083654f74b
sha1
5cf982c93b98d23f27e5dc593a09ab06a604a32a
sha256
1adb98854f3bfa632cce13e52768b32925fe118bd766a048bd5ac9382162ae19
sha512
f21fbd4596c925175cb9221c00df4909c96ff701e87dcc0dc4f5f121b6fda7884938ab7424f34dc1610c3956bfbb530721beba8f28127a84d6a3d5f8f8949d22
ripemd-160
80780a879277a39de8604ac6f9ebd5ace83fc094
Diameter
40291110
Circumference
126578255.18098
Area
1.2749946007762E+15
Volume
3.4247298472854E+22
Surface area
5.0999784031049E+15
Circumference
126578255.18098
Perimeter
80582220
Area
405843386258025
Diagonal
28490117.102533
Surface area
2435060317548150
Volume
8.1759402592473E+21
Space diagonal
34893124.806673
Perimeter
60436665
Area
1.7573534122868E+14
Altitude
17446562.403337
Surface area
1.7573534122868E+14
Volume
9.6354379998164E+20
Height
9496705.7008444