20145686 is an even 8-digits composite number following 20145685
and preceding 20145687 . In scientific notation, it is written as 2.0145686 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8909280 positive integers (up to 20145686) that are relatively prime to 20145686.
20145686 has 8 divisors, whose sum is 30294000
The reverse of 20145686 is 68654102
Previous prime number is 407
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-five thousand six hundred eighty-six
Scientific notation
2.0145686 × 10^7
Engineering notation
2.0145686 × 10^6
Prime Factorization
2 × 407 × 24749
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145686
Product of the distinct prime numbers
The prime factorization of 20145686 is 2 × 407 × 24749.
Since it has a total of 3 prime factors.
3 , 6 , 24 , 59 , 424 , 521 , 2227 , 4672 , 31447 , 95568 , 566870 , 971519 , 4361870 , 3639495 , 14847490 , 95134924 , 895885595 , 183502168 , 7995103256 , 8215577388
n×2
40291372
n×3
60437058
n×4
80582744
n×5
100728430
n÷2
10072843
n÷3
6715228.6666667
n÷3
5036421.5
n÷5
4029137.2
n2
405848664410596
n3
8.1760997567352E+21
n4
1.6471313840386E+29
n5
3.3182591663588E+36
2 √n
4488.3945904967
3 √n
272.09925551502
4 √n
66.995481866292
5 √n
28.895912404624
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
-20145685
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 20145686 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145686) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110011000010110
3
Ternary
1101220111200112
4
Quaternary
1030312120112
5
Quinary
20124130221
6
Senary
1555443022
8
Octal
114663026
10
Decimal
20145686
12
Duodecimal
68b6472
16
Hexadecimal
1336616
20
Vigesimal
65i446
36
Base36
bzsie
md5
1d8cfca7e28bbfc92630fd3533f3d922
sha1
0866622ffe42f8fb18a951511ece6aeb31bdd843
sha256
e99a59c6149327aa67cd1e16e02ffeca39ca258c2c0768a7cf0a309c835e53de
sha512
5f8d8b1f1775137315e6826803bb1dee3c546c200fbb53614a566362e7c52757c6afa2cbaf8aa3cc8f0f0cf532bab7382ec184c1a74561f83059776c3aedaf5c
ripemd-160
995c77caa579f196d9cef3b3b82206a980dcfb5a
Diameter
40291372
Circumference
126579078.27825
Area
1.2750111825816E+15
Volume
3.4247966574369E+22
Surface area
5.1000447303262E+15
Circumference
126579078.27825
Perimeter
80582744
Area
405848664410596
Diagonal
28490302.36451
Surface area
2435091986463576
Volume
8.1760997567352E+21
Space diagonal
34893351.705329
Perimeter
60437058
Area
1.7573762673578E+14
Altitude
17446675.852665
Surface area
1.7573762673578E+14
Volume
9.6356259694086E+20
Height
9496767.4548366