20512131 is an odd 8-digits composite number following 20512130
and preceding 20512132 . In scientific notation, it is written as 2.0512131 × 10^7.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 13674752 positive integers (up to 20512131) that are relatively prime to 20512131.
20512131 has 4 divisors, whose sum is 27349512
The reverse of 20512131 is 13121502
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million five hundred twelve thousand one hundred thirty-one
Scientific notation
2.0512131 × 10^7
Engineering notation
2.0512131 × 10^6
Prime Factorization
3 × 6837377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20512131
Product of the distinct prime numbers
The prime factorization of 20512131 is 3 × 6837377.
Since it has a total of 2 prime factors.
1 , 6 , 26 , 41 , 639 , 904 , 5397 , 9667 , 1849 , 57154 , 864371 , 310498 , 2121553 , 9309832 , 90620316 , 53058573 , 612836847 , 304894290 , 7938194756 , 6134183656
n×2
41024262
n×3
61536393
n×4
82048524
n×5
102560655
n÷2
10256065.5
n÷3
6837377
n÷3
5128032.75
n÷5
4102426.2
n2
420747518161161
n3
8.6304282104466E+21
n4
1.7702847403878E+29
n5
3.6312312502135E+36
2 √n
4529.0320157844
3 √n
273.73915805354
4 √n
67.298083299485
5 √n
29.00027767781
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
-20512130
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 20512131 can be divided by 4 positive divisors.
The sum of these divisors (counting 20512131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001111110110000011
3
Ternary
1102121010100120
4
Quaternary
1032033312003
5
Quinary
20222342011
6
Senary
2011351323
8
Octal
116176603
10
Decimal
20512131
12
Duodecimal
6a52543
16
Hexadecimal
138fd83
20
Vigesimal
68406b
36
Base36
c7n9f
md5
1ea1bc307cba09b4acc4fdbcd9ff4285
sha1
647de2033e759b53784892168fcb9a22125860a7
sha256
47d80fd430072aa30063474e2eab017fc0be7af86f1d0791320038e83642920e
sha512
113bfc3f2db915d3663ecea8af23519602aa22d785896c3522edfc25ac3911b4eeabdf30ffba5bc16be2c7b347dc797ca3219ebf8158f721c0b19945b43dc517
ripemd-160
983863b1d256d1461d75a99e38394b6d2a2147b1
Diameter
41024262
Circumference
128881520.11814
Area
1.3218173120712E+15
Volume
3.6151053151031E+22
Surface area
5.287269248285E+15
Circumference
128881520.11814
Perimeter
82048524
Area
420747518161161
Diagonal
29008533.853374
Surface area
2524485108966966
Volume
8.6304282104466E+21
Space diagonal
35528053.063509
Perimeter
61536393
Area
1.8218901965341E+14
Altitude
17764026.531754
Surface area
1.8218901965341E+14
Volume
1.0171057186917E+21
Height
9669511.2844579