20145723 is an odd 8-digits composite number following 20145722
and preceding 20145724 . In scientific notation, it is written as 2.0145723 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 11518848 positive integers (up to 20145723) that are relatively prime to 20145723.
20145723 has 32 divisors, whose sum is 31051776
The reverse of 20145723 is 32754102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand seven hundred twenty-three
Scientific notation
2.0145723 × 10^7
Engineering notation
2.0145723 × 10^6
Prime Factorization
13 × 3 × 37 × 23 × 607
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20145723
Product of the distinct prime numbers
The prime factorization of 20145723 is 13 × 3 × 37 × 23 × 607.
Since it has a total of 5 prime factors.
9 , 8 , 35 , 35 , 274 , 576 , 5737 , 7772 , 49334 , 43092 , 373933 , 819998 , 9243991 , 9733157 , 29858565 , 12618285 , 877141111 , 58363865 , 6914918579 , 5304986937
n×2
40291446
n×3
60437169
n×4
80582892
n×5
100728615
n÷2
10072861.5
n÷3
6715241
n÷3
5036430.75
n÷5
4029144.6
n2
405850155192729
n3
8.1761448060197E+21
n4
1.6471434846996E+29
n5
3.3182896384013E+36
2 √n
4488.3987122358
3 √n
272.09942209603
4 √n
66.995512627607
5 √n
28.895923018787
1 , 3 , 13 , 23 , 37 , 39 , 69 , 111 , 299 , 481 , 607 , 851 , 897 , 1443 , 1821 , 2553 , 7891 , 11063 , 13961 , 22459 , 23673 , 33189 , 41883 , 67377 , 181493 , 291967 , 516557 , 544479 , 875901 , 1549671 , 6715241 , 20145723
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145722
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145723 can be divided by 32 positive divisors.
The sum of these divisors (counting 20145723) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110110011000111011
3
Ternary
1101220111201220
4
Quaternary
1030312120323
5
Quinary
20124130343
6
Senary
1555443123
8
Octal
114663073
10
Decimal
20145723
12
Duodecimal
68b64a3
16
Hexadecimal
133663b
20
Vigesimal
65i463
36
Base36
bzsjf
md5
24853b184f02ca1ed70060233d807b0c
sha1
5c19aa46008a37a80c7a98cb981da67907c0cc5a
sha256
c82b9a50a2cf14a72242a265d04f2a6f901b5d0a5a0aa9b656acaa3af9fc23c4
sha512
2a5063e66d1efce3e42ea8f2defce1c1c54b36c0f645cbb5414ae76ed53f509286ffcc20dd2e741c467e61453618d535035f788c72c1dcc1e139379d5cda0b30
ripemd-160
ae9569d8ca659cb0705e55e7ecaf7ac797627bd1
Diameter
40291446
Circumference
126579310.75611
Area
1.2750158660118E+15
Volume
3.4248155276371E+22
Surface area
5.100063464047E+15
Circumference
126579310.75611
Perimeter
80582892
Area
405850155192729
Diagonal
28490354.690412
Surface area
2435100931156374
Volume
8.1761448060197E+21
Space diagonal
34893415.791209
Perimeter
60437169
Area
1.7573827226338E+14
Altitude
17446707.895604
Surface area
1.7573827226338E+14
Volume
9.6356790604995E+20
Height
9496784.8968039