20686992 is an even 8-digits composite number following 20686991
and preceding 20686993 . In scientific notation, it is written as 2.0686992 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 6895648 positive integers (up to 20686992) that are relatively prime to 20686992.
20686992 has 20 divisors, whose sum is 53441520
The reverse of 20686992 is 29968602
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million six hundred eighty-six thousand nine hundred ninety-two
Scientific notation
2.0686992 × 10^7
Engineering notation
2.0686992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 430979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2585874
Product of the distinct prime numbers
The prime factorization of 20686992 is 2 × 2 × 2 × 2 × 3 × 430979.
Since it has a total of 6 prime factors.
8 , 1 , 59 , 57 , 779 , 83 , 6928 , 5527 , 95536 , 64359 , 107242 , 864689 , 4055949 , 2050189 , 39149277 , 28584332 , 307697983 , 467968066 , 3912918786 , 3038589905
n×2
41373984
n×3
62060976
n×4
82747968
n×5
103434960
n÷2
10343496
n÷3
6895664
n÷3
5171748
n÷5
4137398.4
n2
427951638008064
n3
8.8530321118597E+21
n4
1.8314260447379E+29
n5
3.7886695936084E+36
2 √n
4548.2955049117
3 √n
274.51481169309
4 √n
67.441052074472
5 √n
29.049554018639
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 430979 , 861958 , 1292937 , 1723916 , 2585874 , 3447832 , 5171748 , 6895664 , 10343496 , 20686992
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20686991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20686992 can be divided by 20 positive divisors.
The sum of these divisors (counting 20686992) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110111010100010010000
3
Ternary
1102221000012220
4
Quaternary
1032322202100
5
Quinary
20243440432
6
Senary
2015221040
8
Octal
116724220
10
Decimal
20686992
12
Duodecimal
6b17780
16
Hexadecimal
13ba890
20
Vigesimal
695h9c
36
Base36
cbe6o
md5
dd9a95169a8e981aa16656579c224cab
sha1
ceeaa7fca14f7c07db725822cf03310b60ab89c7
sha256
d4170b09abfacfe1c7ad4d29ccf497637ca1777206a2a0951842090990b19fb4
sha512
71552fd87aa1fa97469a96ccc5b3d39c1690055dc1123ac80c87e58770086091afdf52f8a52fb57b0776ae707fffb44d375d67f2f476863e32f7ab81e3cac376
ripemd-160
133757563d5f719583dc2bb371d168edf9886528
Diameter
41373984
Circumference
129980204.18414
Area
1.3444497220579E+15
Volume
3.7083494192817E+22
Surface area
5.3777988882314E+15
Circumference
129980204.18414
Perimeter
82747968
Area
427951638008064
Diagonal
29255824.651104
Surface area
2567709828048384
Volume
8.8530321118597E+21
Space diagonal
35830921.199771
Perimeter
62060976
Area
1.8530849505307E+14
Altitude
17915460.599885
Surface area
1.8530849505307E+14
Volume
1.0433398400597E+21
Height
9751941.5503679