20646875 is an odd 8-digits composite number following 20646874
and preceding 20646876 . In scientific notation, it is written as 2.0646875 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 16515000 positive integers (up to 20646875) that are relatively prime to 20646875.
20646875 has 12 divisors, whose sum is 25810848
The reverse of 20646875 is 57864602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred forty-six thousand eight hundred seventy-five
Scientific notation
2.0646875 × 10^7
Engineering notation
2.0646875 × 10^6
Prime Factorization
125 × 5 × 5 × 6607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4129375
Product of the distinct prime numbers
The prime factorization of 20646875 is 125 × 5 × 5 × 6607.
Since it has a total of 4 prime factors.
10 , 2 , 69 , 72 , 243 , 329 , 6304 , 7127 , 96131 , 55968 , 553351 , 109135 , 9238436 , 5227467 , 58600480 , 11065646 , 740241836 , 976600022 , 5787657310 , 1749985246
n×2
41293750
n×3
61940625
n×4
82587500
n×5
103234375
n÷2
10323437.5
n÷3
6882291.6666667
n÷3
5161718.75
n÷5
4129375
n2
426293447265625
n3
8.8016275190125E+21
n4
1.8172610318161E+29
n5
3.7520761366278E+36
2 √n
4543.883251141
3 √n
274.33724701645
4 √n
67.408332208571
5 √n
29.038278469326
1 , 5 , 25 , 125 , 625 , 3125 , 6607 , 33035 , 165175 , 825875 , 4129375 , 20646875
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20646874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20646875 can be divided by 12 positive divisors.
The sum of these divisors (counting 20646875) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110110000101111011011
3
Ternary
1102211222012002
4
Quaternary
1032300233123
5
Quinary
20241200000
6
Senary
2014311215
8
Octal
116605733
10
Decimal
20646875
12
Duodecimal
6ab850b
16
Hexadecimal
13b0bdb
20
Vigesimal
690h3f
36
Base36
caj8b
md5
6d26b32dd496b1c11ec458431303649f
sha1
e226b0164c714f02f4c87b9f7fa1021e9c72fe43
sha256
d1c6eb3f74c5470e0e29685f885eeb28b12aa6ed204198f2858e5eca8bee7c00
sha512
1f807ccb09d0a953fa5a7f30290cadbed33184c6aa0cbd7110226c5edf1a6a03f52c863a9005b3759a828ba45d9039ea36203173ff2b1da075cc53c274b46909
ripemd-160
8234601a47a15cf2df591c335eba3bed52e07e3d
Diameter
41293750
Circumference
129728141.63917
Area
1.3392403622032E+15
Volume
3.6868171137818E+22
Surface area
5.3569614488126E+15
Circumference
129728141.63917
Perimeter
82587500
Area
426293447265625
Diagonal
29199090.645622
Surface area
2557760683593750
Volume
8.8016275190125E+21
Space diagonal
35761436.517524
Perimeter
61940625
Area
1.8459047739944E+14
Altitude
17880718.258762
Surface area
1.8459047739944E+14
Volume
1.0372817506953E+21
Height
9733030.2152073