20553681 is an odd 8-digits composite number following 20553680
and preceding 20553682 . In scientific notation, it is written as 2.0553681 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13690512 positive integers (up to 20553681) that are relatively prime to 20553681.
20553681 has 8 divisors, whose sum is 27428800
The reverse of 20553681 is 18635502
Previous prime number is 1549
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred fifty-three thousand six hundred eighty-one
Scientific notation
2.0553681 × 10^7
Engineering notation
2.0553681 × 10^6
Prime Factorization
3 × 1549 × 4423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20553681
Product of the distinct prime numbers
The prime factorization of 20553681 is 3 × 1549 × 4423.
Since it has a total of 3 prime factors.
6 , 7 , 38 , 5 , 458 , 587 , 5328 , 7840 , 21626 , 78067 , 543480 , 561863 , 7379945 , 5332059 , 50831533 , 23149932 , 852180310 , 903051675 , 3862254908 , 7678045078
n×2
41107362
n×3
61661043
n×4
82214724
n×5
102768405
n÷2
10276840.5
n÷3
6851227
n÷3
5138420.25
n÷5
4110736.2
n2
422453802649761
n3
8.6829806969001E+21
n4
1.7846721537324E+29
n5
3.6681582137399E+36
2 √n
4533.6167681003
3 √n
273.92386486436
4 √n
67.332137706301
5 √n
29.012016939807
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
-20553680
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 20553681 can be divided by 8 positive divisors.
The sum of these divisors (counting 20553681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011001111111010001
3
Ternary
1102200020100110
4
Quaternary
1032121333101
5
Quinary
20230204211
6
Senary
2012311533
8
Octal
116317721
10
Decimal
20553681
12
Duodecimal
6a725a9
16
Hexadecimal
1399fd1
20
Vigesimal
689441
36
Base36
c8jbl
md5
c0674b97a7f01402f7cdb4f0f72621cb
sha1
937ca6909b2a4368ee4e32bfbc5ade4019f4ce4f
sha256
07f9a30b7b9d16cbc553f51d5704af105256286f2b166646d3f21c20202f6083
sha512
c54e105362c45ee75e648a959950e32e6a39c3bf6d46593bf877aefbc7ba598536fccedf493edafeb2a6a5e688818a87bf1672abf71e60fb5227547943dc0a2e
ripemd-160
13a8172b56593e014d715cdf86f8d93dcead35d5
Diameter
41107362
Circumference
129142586.46766
Area
1.3271777628856E+15
Volume
3.6371184491525E+22
Surface area
5.3087110515422E+15
Circumference
129142586.46766
Perimeter
82214724
Area
422453802649761
Diagonal
29067294.42689
Surface area
2534722815898566
Volume
8.6829806969001E+21
Space diagonal
35600019.774563
Perimeter
61661043
Area
1.8292786251002E+14
Altitude
17800009.887282
Surface area
1.8292786251002E+14
Volume
1.023299088615E+21
Height
9689098.1422967