20653409 is an odd 8-digits composite number following 20653408
and preceding 20653410 . In scientific notation, it is written as 2.0653409 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17131680 positive integers (up to 20653409) that are relatively prime to 20653409.
20653409 has 8 divisors, whose sum is 24365568
The reverse of 20653409 is 90435602
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred fifty-three thousand four hundred nine
Scientific notation
2.0653409 × 10^7
Engineering notation
2.0653409 × 10^6
Prime Factorization
7 × 31 × 95177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20653409
Product of the distinct prime numbers
The prime factorization of 20653409 is 7 × 31 × 95177.
Since it has a total of 3 prime factors.
9 , 9 , 22 , 36 , 854 , 907 , 879 , 2814 , 45677 , 33346 , 244330 , 902723 , 1037754 , 8891873 , 93103423 , 16347746 , 90698219 , 659771142 , 2431427910 , 363117280
n×2
41306818
n×3
61960227
n×4
82613636
n×5
103267045
n÷2
10326704.5
n÷3
6884469.6666667
n÷3
5163352.25
n÷5
4130681.8
n2
426563303321281
n3
8.8099863678855E+21
n4
1.8195625174036E+29
n5
3.7580168873007E+36
2 √n
4544.6021828098
3 √n
274.3661832843
4 √n
67.413664659399
5 √n
29.040116152735
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
-20653408
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 20653409 can be divided by 8 positive divisors.
The sum of these divisors (counting 20653409) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110110010010101100001
3
Ternary
1102212022011002
4
Quaternary
1032302111201
5
Quinary
20241402114
6
Senary
2014401345
8
Octal
116622541
10
Decimal
20653409
12
Duodecimal
6b00255
16
Hexadecimal
13b2561
20
Vigesimal
691da9
36
Base36
cao9t
md5
b884122cb88ecc616b96f105345bbeea
sha1
98965826e7ecb56005036c1b0651d79e3348e50b
sha256
eb6995a0e1761a86bd1772c765c0893eb5ef38a1bd67c3c211cb96aff21f18fd
sha512
10c30bafe0abbd8728d1c84445556a165af0692ce78319d85498eef0366d449a11fe975c50b655a4f50c84f464915305900e13471f587130fcb2164e88854826
ripemd-160
d5bffa9fa8c49102f6d9716182215ec59ced9e82
Diameter
41306818
Circumference
129769195.97197
Area
1.3400881400051E+15
Volume
3.69031846021E+22
Surface area
5.3603525600205E+15
Circumference
129769195.97197
Perimeter
82613636
Area
426563303321281
Diagonal
29208331.117039
Surface area
2559379819927686
Volume
8.8099863678855E+21
Space diagonal
35772753.7375
Perimeter
61960227
Area
1.8470732849922E+14
Altitude
17886376.86875
Surface area
1.8470732849922E+14
Volume
1.0382668504821E+21
Height
9736110.3723462