20145813 is an odd 8-digits composite number following 20145812
and preceding 20145814 . In scientific notation, it is written as 2.0145813 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13430540 positive integers (up to 20145813) that are relatively prime to 20145813.
20145813 has 4 divisors, whose sum is 26861088
The reverse of 20145813 is 31854102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand eight hundred thirteen
Scientific notation
2.0145813 × 10^7
Engineering notation
2.0145813 × 10^6
Prime Factorization
3 × 6715271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145813
Product of the distinct prime numbers
The prime factorization of 20145813 is 3 × 6715271.
Since it has a total of 2 prime factors.
7 , 3 , 42 , 72 , 665 , 499 , 9701 , 193 , 41180 , 29861 , 555750 , 225489 , 2712234 , 3471999 , 91901934 , 81527580 , 361640311 , 253174441 , 216628661 , 6924558682
n×2
40291626
n×3
60437439
n×4
80583252
n×5
100729065
n÷2
10072906.5
n÷3
6715271
n÷3
5036453.25
n÷5
4029162.6
n2
405853781430969
n3
8.1762543860512E+21
n4
1.6471729190182E+29
n5
3.3183637605204E+36
2 √n
4488.4087380719
3 √n
272.09982729224
4 √n
66.995587452249
5 √n
28.895948836956
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
-20145812
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 20145813 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110011010010101
3
Ternary
1101220111212020
4
Quaternary
1030312122111
5
Quinary
20124131223
6
Senary
1555443353
8
Octal
114663225
10
Decimal
20145813
12
Duodecimal
68b6559
16
Hexadecimal
1336695
20
Vigesimal
65i4ad
36
Base36
bzslx
md5
591375b4d58068673ce546d75ef4f504
sha1
6989d0e3befea24e1f3b8c7eff36b5459587a582
sha256
175dbd4f9a98448bb3b7435d9467de4c676277c3acac9dcd63749f8ac48c1a5b
sha512
cb008e8cb8f87057d8222ea0d9c13e07a2770b19d94e249e541a9ccea73cd3f3b3b199a783ad34f3f5a01e63e213012f93c36b0fa2f2044898be978a00ec91e9
ripemd-160
22c346159e49455b5cf99c1b84ebc935c4d63479
Diameter
40291626
Circumference
126579876.24279
Area
1.2750272581752E+15
Volume
3.4248614284133E+22
Surface area
5.1001090327007E+15
Circumference
126579876.24279
Perimeter
80583252
Area
405853781430969
Diagonal
28490481.969632
Surface area
2435122688585814
Volume
8.1762543860512E+21
Space diagonal
34893571.675782
Perimeter
60437439
Area
1.757398424706E+14
Altitude
17446785.837891
Surface area
1.757398424706E+14
Volume
9.6358082018051E+20
Height
9496827.3232107