20145049 is an odd 8-digits composite number following 20145048
and preceding 20145050 . In scientific notation, it is written as 2.0145049 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 19783920 positive integers (up to 20145049) that are relatively prime to 20145049.
20145049 has 8 divisors, whose sum is 20509632
The reverse of 20145049 is 94054102
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred forty-five thousand forty-nine
Scientific notation
2.0145049 × 10^7
Engineering notation
2.0145049 × 10^6
Prime Factorization
103 × 131 × 1493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145049
Product of the distinct prime numbers
The prime factorization of 20145049 is 103 × 131 × 1493.
Since it has a total of 3 prime factors.
10 , 3 , 18 , 37 , 522 , 416 , 1332 , 9935 , 89634 , 72140 , 263723 , 281783 , 8511031 , 1513966 , 10270020 , 94287156 , 282683596 , 342620010 , 8987932837 , 3275383139
n×2
40290098
n×3
60435147
n×4
80580196
n×5
100725245
n÷2
10072524.5
n÷3
6715016.3333333
n÷3
5036262.25
n÷5
4029009.8
n2
405822999212401
n3
8.1753242044608E+21
n4
1.6469230668975E+29
n5
3.317734588188E+36
2 √n
4488.3236291515
3 √n
272.09638758831
4 √n
66.994952266208
5 √n
28.895729666454
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145048
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145049 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145049) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110001110011001
3
Ternary
1101220110210221
4
Quaternary
1030312032121
5
Quinary
20124120144
6
Senary
1555440041
8
Octal
114661631
10
Decimal
20145049
12
Duodecimal
68b6021
16
Hexadecimal
1336399
20
Vigesimal
65i2c9
36
Base36
bzs0p
md5
d3523010f30141b7ff13d4e056e6179c
sha1
a75d15bc8b7f2b1904c3d419b3423cda15964532
sha256
306ceb2bbfc275aaf737791de07c2e0b6db46476b1502c871943ada1bdd0c847
sha512
8465105c18e1dcbd0298869cde6bacba1f30718ae1708d4d0382177672d4048e02f074949f2b293323fe17cbb67103b2ca2604194793ab51f06504b74de566a4
ripemd-160
22dbe178460bb28c0859894219c96afe9576557b
Diameter
40290098
Circumference
126575075.88921
Area
1.2749305529835E+15
Volume
3.4244717948598E+22
Surface area
5.0997222119338E+15
Circumference
126575075.88921
Perimeter
80580196
Area
405822999212401
Diagonal
28489401.510471
Surface area
2434937995274406
Volume
8.1753242044608E+21
Space diagonal
34892248.388965
Perimeter
60435147
Area
1.7572651337897E+14
Altitude
17446124.194482
Surface area
1.7572651337897E+14
Volume
9.6347119722879E+20
Height
9496467.1701569