20123745 is an odd 8-digits composite number following 20123744
and preceding 20123746 . In scientific notation, it is written as 2.0123745 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10310400 positive integers (up to 20123745) that are relatively prime to 20123745.
20123745 has 16 divisors, whose sum is 22325760
The reverse of 20123745 is 54732102
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-three thousand seven hundred forty-five
Scientific notation
2.0123745 × 10^7
Engineering notation
2.0123745 × 10^6
Prime Factorization
15 × 37 × 101 × 359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123745
Product of the distinct prime numbers
The prime factorization of 20123745 is 15 × 37 × 101 × 359.
Since it has a total of 4 prime factors.
4 , 6 , 9 , 80 , 614 , 202 , 1941 , 134 , 63717 , 56645 , 740348 , 544404 , 4265200 , 9182577 , 30777060 , 27341571 , 122101243 , 248567800 , 2884622648 , 8369602302
n×2
40247490
n×3
60371235
n×4
80494980
n×5
100618725
n÷2
10061872.5
n÷3
6707915
n÷3
5030936.25
n÷5
4024749
n2
404965112825025
n3
8.149414664387E+21
n4
1.6399674260539E+29
n5
3.3002286290214E+36
2 √n
4485.9497322195
3 √n
272.00043703073
4 √n
66.977232939406
5 √n
28.889615457507
1 , 15 , 37 , 101 , 359 , 555 , 1515 , 3737 , 5385 , 13283 , 36259 , 56055 , 199245 , 543885 , 1341583 , 20123745
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
-20123744
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 20123745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000001100001
3
Ternary
1101212101120220
4
Quaternary
1030301001201
5
Quinary
20122424440
6
Senary
1555153253
8
Octal
114610141
10
Decimal
20123745
12
Duodecimal
68a5829
16
Hexadecimal
1331061
20
Vigesimal
65f975
36
Base36
bzbkx
md5
9a7b044d236d06a6d3c7479404f6b2f2
sha1
d94674affdc8f6edb9f7da0ac325caa909e84c52
sha256
fdf7bb828ef80bf15a43c48fc095e850ad94a72020f6b70ff80da02fa87c25f2
sha512
00c36878bf5174ac9a25bdb6973c1d21e3653c7ca08ba5303cf98f35086b188030586eea3c9ad0433d57684b74b54c756e6e5f533da720383b60eeddebdab67b
ripemd-160
4214e236498fe4df85fc1bd9c601dab5cc2bafe4
Diameter
40247490
Circumference
126441218.90943
Area
1.2722354234113E+15
Volume
3.4136188320927E+22
Surface area
5.088941693645E+15
Circumference
126441218.90943
Perimeter
80494980
Area
404965112825025
Diagonal
28459273.104738
Surface area
2429790676950150
Volume
8.149414664387E+21
Space diagonal
34855348.77856
Perimeter
60371235
Area
1.7535503767645E+14
Altitude
17427674.38928
Surface area
1.7535503767645E+14
Volume
9.6041772864819E+20
Height
9486424.3682459