20146745 is an odd 8-digits composite number following 20146744
and preceding 20146746 . In scientific notation, it is written as 2.0146745 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 14774400 positive integers (up to 20146745) that are relatively prime to 20146745.
20146745 has 16 divisors, whose sum is 26273280
The reverse of 20146745 is 54764102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-six thousand seven hundred forty-five
Scientific notation
2.0146745 × 10^7
Engineering notation
2.0146745 × 10^6
Prime Factorization
5 × 19 × 31 × 6841
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20146745
Product of the distinct prime numbers
The prime factorization of 20146745 is 5 × 19 × 31 × 6841.
Since it has a total of 4 prime factors.
7 , 1 , 86 , 83 , 310 , 224 , 3871 , 2833 , 53605 , 64078 , 894774 , 984683 , 6967222 , 4039842 , 38027415 , 90543258 , 868068663 , 488078295 , 5640653054 , 5313986212
n×2
40293490
n×3
60440235
n×4
80586980
n×5
100733725
n÷2
10073372.5
n÷3
6715581.6666667
n÷3
5036686.25
n÷5
4029349
n2
405891334095025
n3
8.1773892057223E+21
n4
1.6474777509344E+29
n5
3.3191314141249E+36
2 √n
4488.5125598577
3 √n
272.1040232531
4 √n
66.996362288244
5 √n
28.896216193016
1 , 5 , 19 , 31 , 95 , 155 , 589 , 2945 , 6841 , 34205 , 129979 , 212071 , 649895 , 1060355 , 4029349 , 20146745
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
-20146744
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 20146745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20146745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110101000111001
3
Ternary
1101220120010202
4
Quaternary
1030312220321
5
Quinary
20124143440
6
Senary
1555451545
8
Octal
114665071
10
Decimal
20146745
12
Duodecimal
68b6bb5
16
Hexadecimal
1336a39
20
Vigesimal
65i6h5
36
Base36
bztbt
md5
ca85f93addca7e97bfaf12bbdee217b8
sha1
6d9aa333a2af05eb7ef5c7ef1704c7c306981b12
sha256
690106faffddc1e65e0b1e3cf2be1b8a48ac5d9060e794d359d1558105ae7166
sha512
e27806feeb88ec39cbe5f369fb93281553b5090bb0d82af644944e89388cd32dbecfcc884d38f57c02eecd2a49317e5488579c963d54fc241de3bad9875cf9ce
ripemd-160
ab9f5841dd3c535eed7235b0cba0a6eb1d8b0721
Diameter
40293490
Circumference
126585732.17149
Area
1.2751452333487E+15
Volume
3.4253367805655E+22
Surface area
5.1005809333948E+15
Circumference
126585732.17149
Perimeter
80586980
Area
405891334095025
Diagonal
28491800.016672
Surface area
2435348004570150
Volume
8.1773892057223E+21
Space diagonal
34895185.947134
Perimeter
60440235
Area
1.7575610325112E+14
Altitude
17447592.973567
Surface area
1.7575610325112E+14
Volume
9.6371455996132E+20
Height
9497266.6722241