20081656 is an even 8-digits composite number following 20081655
and preceding 20081657 . In scientific notation, it is written as 2.0081656 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 8606400 positive integers (up to 20081656) that are relatively prime to 20081656.
20081656 has 16 divisors, whose sum is 43032240
The reverse of 20081656 is 65618002
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eighty-one thousand six hundred fifty-six
Scientific notation
2.0081656 × 10^7
Engineering notation
2.0081656 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 358601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5020414
Product of the distinct prime numbers
The prime factorization of 20081656 is 2 × 2 × 2 × 7 × 358601.
Since it has a total of 5 prime factors.
7 , 6 , 66 , 3 , 279 , 763 , 6271 , 5201 , 9012 , 49595 , 111958 , 179396 , 853674 , 3274700 , 13594986 , 36568123 , 454333099 , 70601542 , 7088695306 , 519136119
n×2
40163312
n×3
60244968
n×4
80326624
n×5
100408280
n÷2
10040828
n÷3
6693885.3333333
n÷3
5020414
n÷5
4016331.2
n2
403272907702336
n3
8.0983878065981E+21
n4
1.626290380867E+29
n5
3.2658603984679E+36
2 √n
4481.256073915
3 √n
271.81067419022
4 √n
66.942184561866
5 √n
28.877520754864
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 358601 , 717202 , 1434404 , 2510207 , 2868808 , 5020414 , 10040828 , 20081656
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
-20081655
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 20081656 can be divided by 16 positive divisors.
The sum of these divisors (counting 20081656) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100110101111111000
3
Ternary
1101210020212001
4
Quaternary
1030212233320
5
Quinary
20120103111
6
Senary
1554230344
8
Octal
114465770
10
Decimal
20081656
12
Duodecimal
68853b4
16
Hexadecimal
1326bf8
20
Vigesimal
65a42g
36
Base36
byf3s
md5
beb2456768d635e913802f602dfde1bc
sha1
bdee0a7ee4f41d5ca3dfab9e206827020631bda3
sha256
e18775915163551747c5908f938abacbe17ccd9f03086c951f9ba3d8dbb33ac6
sha512
d8b17d48a44e0c00c5b70fe81b18070fb8748793407c6a72bac850eb3588f380eb0b8d7861b9ac25fce7622e23214c9cf94dce6a3c9c8d1f4c6f448aae916946
ripemd-160
263ed87400b4f2b80f31cc289ec4fd7d3e302c02
Diameter
40163312
Circumference
126176765.92303
Area
1.2669192042295E+15
Volume
3.392244751884E+22
Surface area
5.0676768169178E+15
Circumference
126176765.92303
Perimeter
80326624
Area
403272907702336
Diagonal
28399750.270111
Surface area
2419637446214016
Volume
8.0983878065981E+21
Space diagonal
34782448.49212
Perimeter
60244968
Area
1.7462229136412E+14
Altitude
17391224.24606
Surface area
1.7462229136412E+14
Volume
9.5440415578732E+20
Height
9466583.4233703