20145349 is an odd 8-digits composite number following 20145348
and preceding 20145350 . In scientific notation, it is written as 2.0145349 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 17267436 positive integers (up to 20145349) that are relatively prime to 20145349.
20145349 has 4 divisors, whose sum is 23023264
The reverse of 20145349 is 94354102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-five thousand three hundred forty-nine
Scientific notation
2.0145349 × 10^7
Engineering notation
2.0145349 × 10^6
Prime Factorization
7 × 2877907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145349
Product of the distinct prime numbers
The prime factorization of 20145349 is 7 × 2877907.
Since it has a total of 2 prime factors.
5 , 8 , 74 , 76 , 886 , 222 , 7305 , 5841 , 31495 , 23111 , 905862 , 74083 , 5032777 , 811423 , 22171023 , 51451863 , 240226540 , 295512366 , 4106775596 , 3306664509
n×2
40290698
n×3
60436047
n×4
80581396
n×5
100726745
n÷2
10072674.5
n÷3
6715116.3333333
n÷3
5036337.25
n÷5
4029069.8
n2
405835086331801
n3
8.1756894505993E+21
n4
1.6470211729794E+29
n5
3.3179816340059E+36
2 √n
4488.3570490771
3 √n
272.09773826776
4 √n
66.995201686965
5 √n
28.895815728962
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
-20145348
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 20145349 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145349) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010011000101
3
Ternary
1101220111020001
4
Quaternary
1030312103011
5
Quinary
20124122344
6
Senary
1555441301
8
Octal
114662305
10
Decimal
20145349
12
Duodecimal
68b6231
16
Hexadecimal
13364c5
20
Vigesimal
65i379
36
Base36
bzs91
md5
1058662aa49dae3fb922cb1534acc3a8
sha1
f5d55d6bf0d8ed5c95deb4768fe92b6d873706e5
sha256
5cd54f9eecf66c84f48abe3b09604acc861ce07ff99d33c9a4898b7b08463854
sha512
77eefc044dfd1cd640fc8471a665ffd283ced1d46849781f4efeadbc810ad0ecbc5ea1bece330812e33cf1b1997fb75dee7fdd574fc53bc01ce3081598b3cfa3
ripemd-160
ab5f34c4e5c061dbe399c04d854b016bc92e981a
Diameter
40290698
Circumference
126576960.8448
Area
1.274968525789E+15
Volume
3.4246247888046E+22
Surface area
5.0998741031559E+15
Circumference
126576960.8448
Perimeter
80581396
Area
405835086331801
Diagonal
28489825.774539
Surface area
2435010517990806
Volume
8.1756894505993E+21
Space diagonal
34892768.004207
Perimeter
60436047
Area
1.757317472552E+14
Altitude
17446384.002103
Surface area
1.757317472552E+14
Volume
9.6351424189901E+20
Height
9496608.5915131