20691207 is an odd 8-digits composite number following 20691206
and preceding 20691208 . In scientific notation, it is written as 2.0691207 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 16 positive divisors.
There are 13792680 positive integers (up to 20691207) that are relatively prime to 20691207.
20691207 has 16 divisors, whose sum is 31035360
The reverse of 20691207 is 70219602
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred ninety-one thousand two hundred seven
Scientific notation
2.0691207 × 10^7
Engineering notation
2.0691207 × 10^6
Prime Factorization
3 × 27 × 3 × 3 × 3 × 9461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
766341
Product of the distinct prime numbers
The prime factorization of 20691207 is 3 × 27 × 3 × 3 × 3 × 9461.
Since it has a total of 6 prime factors.
4 , 8 , 11 , 67 , 204 , 362 , 2124 , 595 , 87509 , 6479 , 979444 , 387875 , 1129424 , 3140702 , 96460185 , 59047055 , 6797710 , 909760779 , 3633375305 , 4599292143
n×2
41382414
n×3
62073621
n×4
82764828
n×5
103456035
n÷2
10345603.5
n÷3
6897069
n÷3
5172801.75
n÷5
4138241.4
n2
428126047116849
n3
8.8584446629865E+21
n4
1.832919122199E+29
n5
3.7925308971677E+36
2 √n
4548.7588417062
3 √n
274.5334546702
4 √n
67.444487111299
5 √n
29.050737698627
1 , 3 , 9 , 27 , 81 , 243 , 729 , 2187 , 9461 , 28383 , 85149 , 255447 , 766341 , 2299023 , 6897069 , 20691207
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
-20691206
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 20691207 can be divided by 16 positive divisors.
The sum of these divisors (counting 20691207) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111011100100000111
3
Ternary
1102221020000000
4
Quaternary
1032323210013
5
Quinary
20244104312
6
Senary
2015252343
8
Octal
116734407
10
Decimal
20691207
12
Duodecimal
6b1a0b3
16
Hexadecimal
13bb907
20
Vigesimal
696807
36
Base36
cbhfr
md5
502458c0d338a5868383ed3f437978a7
sha1
cf369e243982465ef4d3e32674cf28700510fe64
sha256
feeae7e37f49130200391f735beca10261755b810b9b4868c48c46bd79135a2b
sha512
885649f962fa6b41f549de48c0a2364a8b511cbb99eede675164fe3b043584b0f9ce4eacb4a6ffead51c74ea9929a140d022f15e22fe64308b1a5822ae7cc085
ripemd-160
fb2eb2cd2917be798c1e92379bd4a39b02f7a228
Diameter
41382414
Circumference
130006687.81021
Area
1.3449976444327E+15
Volume
3.710616623396E+22
Surface area
5.3799905777309E+15
Circumference
130006687.81021
Perimeter
82764828
Area
428126047116849
Diagonal
29261785.561269
Surface area
2568756282701094
Volume
8.8584446629865E+21
Space diagonal
35838221.793925
Perimeter
62073621
Area
1.853840164125E+14
Altitude
17919110.896962
Surface area
1.853840164125E+14
Volume
1.0439777153273E+21
Height
9753928.520423