20749345 is an odd 8-digits composite number following 20749344
and preceding 20749346 . In scientific notation, it is written as 2.0749345 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16561776 positive integers (up to 20749345) that are relatively prime to 20749345.
20749345 has 8 divisors, whose sum is 24955776
The reverse of 20749345 is 54394702
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred forty-nine thousand three hundred forty-five
Scientific notation
2.0749345 × 10^7
Engineering notation
2.0749345 × 10^6
Prime Factorization
5 × 463 × 8963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20749345
Product of the distinct prime numbers
The prime factorization of 20749345 is 5 × 463 × 8963.
Since it has a total of 3 prime factors.
3 , 4 , 36 , 94 , 506 , 432 , 8670 , 2075 , 82893 , 69942 , 757466 , 893894 , 5194687 , 299277 , 60720804 , 91902510 , 154018264 , 181081088 , 5672929559 , 1461663955
n×2
41498690
n×3
62248035
n×4
82997380
n×5
103746725
n÷2
10374672.5
n÷3
6916448.3333333
n÷3
5187336.25
n÷5
4149869
n2
430535317929025
n3
8.933325846394E+21
n4
1.8536065998425E+29
n5
3.8461122834408E+36
2 √n
4555.1448934145
3 √n
274.79034157565
4 √n
67.491813528861
5 √n
29.067044690679
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
-20749344
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 20749345 can be divided by 8 positive divisors.
The sum of these divisors (counting 20749345) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111001001110000100001
3
Ternary
1110001011202021
4
Quaternary
1033021300201
5
Quinary
20302434340
6
Senary
2020421441
8
Octal
117116041
10
Decimal
20749345
12
Duodecimal
6b47881
16
Hexadecimal
13c9c21
20
Vigesimal
69dd75
36
Base36
ccqap
md5
bea6d7f258c677bbac9ae96e18a00f7c
sha1
1215f193321a53af8061d0788e2ad6d30808a31f
sha256
1ecd86e04da5b8c99f5ec1c610c117a17b934143e4d31b321bfd45f83a97020e
sha512
713f9a847f6939725d608f73062a4a5916536cee08ce542bea29a95dd356b542c092f755890ae1e0db9d2f7a552dc5650a317d6ce0207ff1b3e3c5518e59e4c0
ripemd-160
3bd2ce06353aa939df723c8e541061033786f8a8
Diameter
41498690
Circumference
130371979.6376
Area
1.3525665919168E+15
Volume
3.741982780154E+22
Surface area
5.4102663676671E+15
Circumference
130371979.6376
Perimeter
82997380
Area
430535317929025
Diagonal
29344005.109358
Surface area
2583211907574150
Volume
8.933325846394E+21
Space diagonal
35938919.763775
Perimeter
62248035
Area
1.8642726127647E+14
Altitude
17969459.881888
Surface area
1.8642726127647E+14
Volume
1.0528025474224E+21
Height
9781335.0364528