20131279 is an odd 8-digits composite number following 20131278
and preceding 20131280 . In scientific notation, it is written as 2.0131279 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 15634080 positive integers (up to 20131279) that are relatively prime to 20131279.
20131279 has 8 divisors, whose sum is 21167712
The reverse of 20131279 is 97213102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-one thousand two hundred seventy-nine
Scientific notation
2.0131279 × 10^7
Engineering notation
2.0131279 × 10^6
Prime Factorization
133 × 23 × 6581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20131279
Product of the distinct prime numbers
The prime factorization of 20131279 is 133 × 23 × 6581.
Since it has a total of 3 prime factors.
6 , 3 , 61 , 99 , 477 , 461 , 5506 , 7307 , 12735 , 63200 , 290646 , 268119 , 1047184 , 6965218 , 71996884 , 15750612 , 310723365 , 705983631 , 7868523618 , 685507910
n×2
40262558
n×3
60393837
n×4
80525116
n×5
100656395
n÷2
10065639.5
n÷3
6710426.3333333
n÷3
5032819.75
n÷5
4026255.8
n2
405268394175841
n3
8.1585711130358E+21
n4
1.6424247131786E+29
n5
3.3064110137494E+36
2 √n
4486.7893866327
3 √n
272.03437696272
4 √n
66.983500853813
5 √n
28.891778293258
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
-20131278
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 20131279 can be divided by 8 positive divisors.
The sum of these divisors (counting 20131279) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010110111001111
3
Ternary
1101212202220221
4
Quaternary
1030302313033
5
Quinary
20123200104
6
Senary
1555252211
8
Octal
114626717
10
Decimal
20131279
12
Duodecimal
68aa067
16
Hexadecimal
1332dcf
20
Vigesimal
65g83j
36
Base36
bzhe7
md5
5acd12828aeb2016b7f239a0095e5ec3
sha1
7c434f255255de9d70ad3ff2343607433424e312
sha256
94e331b2c14d6d5ec9119e2ce0ba0550b96fe11dbe6e5b55b3c73caeba9b3c82
sha512
feab12d2a2f843e2b1c802e5caf28ba122e6410ef699ff5d30a4663e392fa0b8b2beacfd71eb12b765b6fa8030a358a039243817d55cc2bcea05b0f77e8144ce
ripemd-160
bc432fef233ecb13c6a3c12aa273caa5aec6f062
Diameter
40262558
Circumference
126488556.42753
Area
1.273188209875E+15
Volume
3.4174542763338E+22
Surface area
5.0927528394998E+15
Circumference
126488556.42753
Perimeter
80525116
Area
405268394175841
Diagonal
28469927.789717
Surface area
2431610365055046
Volume
8.1585711130358E+21
Space diagonal
34868398.049344
Perimeter
60393837
Area
1.754863623536E+14
Altitude
17434199.024672
Surface area
1.754863623536E+14
Volume
9.6149682647005E+20
Height
9489975.9299056