20694821 is an odd 8-digits composite number following 20694820
and preceding 20694822 . In scientific notation, it is written as 2.0694821 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17738412 positive integers (up to 20694821) that are relatively prime to 20694821.
20694821 has 4 divisors, whose sum is 23651232
The reverse of 20694821 is 12849602
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million six hundred ninety-four thousand eight hundred twenty-one
Scientific notation
2.0694821 × 10^7
Engineering notation
2.0694821 × 10^6
Prime Factorization
7 × 2956403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20694821
Product of the distinct prime numbers
The prime factorization of 20694821 is 7 × 2956403.
Since it has a total of 2 prime factors.
3 , 4 , 25 , 56 , 820 , 555 , 2730 , 129 , 31352 , 81049 , 259274 , 200433 , 6073104 , 8858747 , 20536182 , 95318461 , 873546875 , 930945422 , 2863202778 , 9455162508
n×2
41389642
n×3
62084463
n×4
82779284
n×5
103474105
n÷2
10347410.5
n÷3
6898273.6666667
n÷3
5173705.25
n÷5
4138964.2
n2
428275616222041
n3
8.8630872163798E+21
n4
1.8342000345037E+29
n5
3.7958441392248E+36
2 √n
4549.1560755815
3 √n
274.54943740376
4 √n
67.44743194208
5 √n
29.051752448822
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
-20694820
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 20694821 can be divided by 4 positive divisors.
The sum of these divisors (counting 20694821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111100011100100101
3
Ternary
1102221101221212
4
Quaternary
1032330130211
5
Quinary
20244213241
6
Senary
2015321205
8
Octal
116743445
10
Decimal
20694821
12
Duodecimal
6b20205
16
Hexadecimal
13bc725
20
Vigesimal
696h11
36
Base36
cbk85
md5
b6bdd1863ffe7d757efcfb7058064f2a
sha1
0db4a49dcd1288b3e33f53e7086e2e9bc352a062
sha256
2ca9185f1eee796ea3cd351a607292e5bd0417212f56bb1da9a4ada6e501a415
sha512
44a6a2902594837774d99b2489117ac78e5e9221bdf09fbe3629c696ce94bd345799c9aa0b6c7d5d382ae88514208ffdcf1d53945e26fcf4eea6de0e2356e8f8
ripemd-160
85b10c597e5521f11c33ad82e776362aa7cee292
Diameter
41389642
Circumference
130029395.24191
Area
1.3454675296348E+15
Volume
3.7125612916139E+22
Surface area
5.3818701185392E+15
Circumference
130029395.24191
Perimeter
82779284
Area
428275616222041
Diagonal
29266896.529084
Surface area
2569653697332246
Volume
8.8630872163798E+21
Space diagonal
35844481.425543
Perimeter
62084463
Area
1.8544878173486E+14
Altitude
17922240.712772
Surface area
1.8544878173486E+14
Volume
1.0445248454917E+21
Height
9755632.1763612