20798729 is an odd 8-digits composite number following 20798728
and preceding 20798730 . In scientific notation, it is written as 2.0798729 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 17827476 positive integers (up to 20798729) that are relatively prime to 20798729.
20798729 has 4 divisors, whose sum is 23769984
The reverse of 20798729 is 92789702
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million seven hundred ninety-eight thousand seven hundred twenty-nine
Scientific notation
2.0798729 × 10^7
Engineering notation
2.0798729 × 10^6
Prime Factorization
7 × 2971247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20798729
Product of the distinct prime numbers
The prime factorization of 20798729 is 7 × 2971247.
Since it has a total of 2 prime factors.
4 , 10 , 71 , 63 , 646 , 477 , 2519 , 2629 , 36633 , 17679 , 853411 , 727428 , 9916525 , 8621346 , 7118842 , 51791427 , 175162634 , 729205819 , 6415872371 , 4312459668
n×2
41597458
n×3
62396187
n×4
83194916
n×5
103993645
n÷2
10399364.5
n÷3
6932909.6666667
n÷3
5199682.25
n÷5
4159745.8
n2
432587128015441
n3
8.9972624444815E+21
n4
1.8713162332465E+29
n5
3.8920999208594E+36
2 √n
4560.562355675
3 √n
275.008171658
4 √n
67.531935820581
5 √n
29.080867607232
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20798728
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20798729 can be divided by 4 positive divisors.
The sum of these divisors (counting 20798729) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010101110100001001
3
Ternary
1110010200111022
4
Quaternary
1033111310021
5
Quinary
20311024404
6
Senary
2021442225
8
Octal
117256411
10
Decimal
20798729
12
Duodecimal
6b70375
16
Hexadecimal
13d5d09
20
Vigesimal
69jgg9
36
Base36
cdseh
md5
b444d75e50425e3d85c60f0cf625ce1d
sha1
acce1a8c82df03cab6dd83e00202399099a55541
sha256
6b6ab1a29c40a1509cf60d26158dff9829073e10a070db048360f458855002ec
sha512
cc29bf92058cd62180cda31d7b88adb1a474c2bb7dc9d2abf48cef8899ff8c60df852d4581438d3811c8bd14116166695d8faae97a262fd96bb94bef56cbb5ab
ripemd-160
4eaede8d4e7489d7c22b89ee3fd395f752ab80ff
Diameter
41597458
Circumference
130682268.46081
Area
1.3590125434108E+15
Volume
3.7687644797336E+22
Surface area
5.4360501736433E+15
Circumference
130682268.46081
Perimeter
83194916
Area
432587128015441
Diagonal
29413844.631923
Surface area
2595522768092646
Volume
8.9972624444815E+21
Space diagonal
36024455.360856
Perimeter
62396187
Area
1.8731572110576E+14
Altitude
18012227.680428
Surface area
1.8731572110576E+14
Volume
1.060337547768E+21
Height
9804614.8773075