20506870 is an even 8-digits composite number following 20506869
and preceding 20506871 . In scientific notation, it is written as 2.0506870 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8147104 positive integers (up to 20506870) that are relatively prime to 20506870.
20506870 has 16 divisors, whose sum is 37162800
The reverse of 20506870 is 07860502
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred six thousand eight hundred seventy
Scientific notation
2.0506870 × 10^7
Engineering notation
2.0506870 × 10^6
Prime Factorization
2 × 5 × 149 × 13763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20506870
Product of the distinct prime numbers
The prime factorization of 20506870 is 2 × 5 × 149 × 13763.
Since it has a total of 4 prime factors.
2 , 5 , 79 , 44 , 13 , 755 , 7577 , 518 , 19208 , 73680 , 556884 , 305773 , 6910279 , 5450302 , 88910355 , 50937301 , 852535205 , 641141477 , 2681045412 , 8389456580
n×2
41013740
n×3
61520610
n×4
82027480
n×5
102534350
n÷2
10253435
n÷3
6835623.3333333
n÷3
5126717.5
n÷5
4101374
n2
420531717196900
n3
8.6237892554336E+21
n4
1.7684692516857E+29
n5
3.6265769043317E+36
2 √n
4528.4511701022
3 √n
273.71575296297
4 √n
67.293767691386
5 √n
28.99878991317
1 , 2 , 5 , 10 , 149 , 298 , 745 , 1490 , 13763 , 27526 , 68815 , 137630 , 2050687 , 4101374 , 10253435 , 20506870
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
-20506869
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 20506870 can be divided by 16 positive divisors.
The sum of these divisors (counting 20506870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001110100011110110
3
Ternary
1102120212010201
4
Quaternary
1032032203312
5
Quinary
20222204440
6
Senary
2011311114
8
Octal
116164366
10
Decimal
20506870
12
Duodecimal
6a4b49a
16
Hexadecimal
138e8f6
20
Vigesimal
68373a
36
Base36
c7j7a
md5
8e1b7f92f64bb48a5ea1eb1b0fdf394b
sha1
c78278fba5c03d69d851b632c7d03f7321188474
sha256
6267f16b645259d944835a60c3c350672b67a6196e849919c911f7e9bbe4e2c4
sha512
8d9478e400d8fd480fb00595600378a7ec4ba4208e0185fbb1b2467082b6a95dcfe84e566e94dd1fd8e28bcfec08895c917b7a1ba3e437f63a3ce25a2c7f6251
ripemd-160
708b7096b54f661b82eab2133cd3c66eded94cd1
Diameter
41013740
Circumference
128848464.28024
Area
1.3211393533473E+15
Volume
3.6123243961302E+22
Surface area
5.2845574133891E+15
Circumference
128848464.28024
Perimeter
82027480
Area
420531717196900
Diagonal
29001093.675822
Surface area
2523190303181400
Volume
8.6237892554336E+21
Space diagonal
35518940.74421
Perimeter
61520610
Area
1.820955750948E+14
Altitude
17759470.372105
Surface area
1.820955750948E+14
Volume
1.0163233103401E+21
Height
9667031.225274