20130642 is an even 8-digits composite number following 20130641
and preceding 20130643 . In scientific notation, it is written as 2.0130642 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 5715360 positive integers (up to 20130642) that are relatively prime to 20130642.
20130642 has 16 divisors, whose sum is 30868992
The reverse of 20130642 is 24603102
Previous prime number is 811
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty thousand six hundred forty-two
Scientific notation
2.0130642 × 10^7
Engineering notation
2.0130642 × 10^6
Prime Factorization
2 × 63 × 811 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20130642
Product of the distinct prime numbers
The prime factorization of 20130642 is 2 × 63 × 811 × 197.
Since it has a total of 4 prime factors.
10 , 1 , 12 , 36 , 84 , 560 , 1831 , 7867 , 33561 , 7169 , 626882 , 842410 , 5092500 , 8962299 , 75123334 , 81309823 , 605382940 , 364564903 , 7962079411 , 2385252338
n×2
40261284
n×3
60391926
n×4
80522568
n×5
100653210
n÷2
10065321
n÷3
6710214
n÷3
5032660.5
n÷5
4026128.4
n2
405242747332164
n3
8.1577966696402E+21
n4
1.6422168426532E+29
n5
3.3058879345822E+36
2 √n
4486.7183998999
3 √n
272.03150766787
4 √n
66.982970969492
5 √n
28.891595450472
1 , 2 , 63 , 126 , 197 , 394 , 811 , 1622 , 12411 , 24822 , 51093 , 102186 , 159767 , 319534 , 10065321 , 20130642
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
-20130641
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 20130642 can be divided by 16 positive divisors.
The sum of these divisors (counting 20130642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010101101010010
3
Ternary
1101212202001100
4
Quaternary
1030302231102
5
Quinary
20123140032
6
Senary
1555245230
8
Octal
114625522
10
Decimal
20130642
12
Duodecimal
68a9816
16
Hexadecimal
1332b52
20
Vigesimal
65g6c2
36
Base36
bzgwi
md5
1e54ae1e7a4ce0ce2f44c7b06f2e871a
sha1
56fc5cce9b5a2647a5235c42f3cec593a5548892
sha256
caa3005f6c4ce866f1c85983d8a6571a4038602fa65e109ea326123c0cd0b0f3
sha512
e1d34162d0903556cbfa7d9b072ecba3389ec7583ef03a22477a4dee498351327663e72a3caac1b7f0aa8b8c706bae8bb3048b974df3fa391afa8e6b0c17b715
ripemd-160
4872007700da0e3dfc2e6332c7f31d7a3f1abe4d
Diameter
40261284
Circumference
126484554.03849
Area
1.2731076379393E+15
Volume
3.4171298782428E+22
Surface area
5.0924305517571E+15
Circumference
126484554.03849
Perimeter
80522568
Area
405242747332164
Diagonal
28469026.935677
Surface area
2431456483992984
Volume
8.1577966696402E+21
Space diagonal
34867294.73298
Perimeter
60391926
Area
1.7547525694453E+14
Altitude
17433647.36649
Surface area
1.7547525694453E+14
Volume
9.6140555744061E+20
Height
9489675.6452258