20130705 is an odd 8-digits composite number following 20130704
and preceding 20130706 . In scientific notation, it is written as 2.0130705 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 9202464 positive integers (up to 20130705) that are relatively prime to 20130705.
20130705 has 16 divisors, whose sum is 30675840
The reverse of 20130705 is 50703102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty thousand seven hundred five
Scientific notation
2.0130705 × 10^7
Engineering notation
2.0130705 × 10^6
Prime Factorization
5 × 7 × 9 × 63907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20130705
Product of the distinct prime numbers
The prime factorization of 20130705 is 5 × 7 × 9 × 63907.
Since it has a total of 4 prime factors.
1 , 9 , 78 , 88 , 437 , 675 , 5876 , 5376 , 70295 , 45456 , 127113 , 176344 , 1781894 , 659664 , 1917289 , 9721966 , 408784201 , 709908338 , 8277254915 , 6026050586
n×2
40261410
n×3
60392115
n×4
80522820
n×5
100653525
n÷2
10065352.5
n÷3
6710235
n÷3
5032676.25
n÷5
4026141
n2
405245283797025
n3
8.1578732607592E+21
n4
1.6422374003973E+29
n5
3.3059396647365E+36
2 √n
4486.7254206158
3 √n
272.03179144698
4 √n
66.983023376194
5 √n
28.891613534031
1 , 5 , 7 , 9 , 35 , 45 , 63 , 315 , 63907 , 319535 , 447349 , 575163 , 2236745 , 2875815 , 4026141 , 20130705
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20130704
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20130705 can be divided by 16 positive divisors.
The sum of these divisors (counting 20130705) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010101110010001
3
Ternary
1101212202010200
4
Quaternary
1030302232101
5
Quinary
20123140310
6
Senary
1555245413
8
Octal
114625621
10
Decimal
20130705
12
Duodecimal
68a9869
16
Hexadecimal
1332b91
20
Vigesimal
65g6f5
36
Base36
bzgy9
md5
ef044662589ffd87b43eeb8e0aef14c3
sha1
a47f5af41bc76ee2d18884e3a611fcb586da1d56
sha256
f2cfde6f59cd1835149719f3a6e8110425a822ffe62848a2dc9a0dab7830e0c9
sha512
6a8a7522355524d731f877e10ac6046b8cfc02551654ae4ad845344cf206d0b4e78a431c5840e4e5d90390d7d754a27fbc6c9febe01f6ff53035ba151cda0581
ripemd-160
47e79df1cee3464140d9de1a9d1ab81777404442
Diameter
40261410
Circumference
126484949.87917
Area
1.2731156064786E+15
Volume
3.4171619606557E+22
Surface area
5.0924624259146E+15
Circumference
126484949.87917
Perimeter
80522820
Area
405245283797025
Diagonal
28469116.031132
Surface area
2431471702782150
Volume
8.1578732607592E+21
Space diagonal
34867403.852181
Perimeter
60392115
Area
1.7547635526603E+14
Altitude
17433701.92609
Surface area
1.7547635526603E+14
Volume
9.6141458379054E+20
Height
9489705.3437106