20731556 is an even 8-digits composite number following 20731555
and preceding 20731557 . In scientific notation, it is written as 2.0731556 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9915048 positive integers (up to 20731556) that are relatively prime to 20731556.
20731556 has 12 divisors, whose sum is 37857792
The reverse of 20731556 is 65513702
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million seven hundred thirty-one thousand five hundred fifty-six
Scientific notation
2.0731556 × 10^7
Engineering notation
2.0731556 × 10^6
Prime Factorization
2 × 2 × 23 × 225343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10365778
Product of the distinct prime numbers
The prime factorization of 20731556 is 2 × 2 × 23 × 225343.
Since it has a total of 4 prime factors.
6 , 1 , 92 , 30 , 109 , 724 , 8670 , 2246 , 1719 , 81758 , 147801 , 590746 , 52876 , 7834599 , 51236126 , 34626838 , 200851951 , 103858889 , 6309697284 , 1777795479
n×2
41463112
n×3
62194668
n×4
82926224
n×5
103657780
n÷2
10365778
n÷3
6910518.6666667
n÷3
5182889
n÷5
4146311.2
n2
429797414181136
n3
8.9103691607514E+21
n4
1.8472581723679E+29
n5
3.8296536246903E+36
2 √n
4553.1918474846
3 √n
274.71179061423
4 √n
67.477343215961
5 √n
29.062058980817
1 , 2 , 4 , 23 , 46 , 92 , 225343 , 450686 , 901372 , 5182889 , 10365778 , 20731556
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
-20731555
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 20731556 can be divided by 12 positive divisors.
The sum of these divisors (counting 20731556) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111000101011010100100
3
Ternary
1110000021100102
4
Quaternary
1033011122210
5
Quinary
20301402211
6
Senary
2020203232
8
Octal
117053244
10
Decimal
20731556
12
Duodecimal
6b39518
16
Hexadecimal
13c56a4
20
Vigesimal
69b8hg
36
Base36
ccckk
md5
1668458e24474096f18198dece0a024e
sha1
af589419136230ae8fcfab0f2627f72300b20ac9
sha256
bf4a3c828f20e5552d469fedd00b55a26cfb44030716c4bcda72a47b3bb94efb
sha512
96518157d2c7e1dee7460be340954830bfa450c7459d4bc9ead404664dcb7946b81b508970fc40f0ee67ca8c8b09c2c64dbd76731970caa09d2ba4e04dd17cb2
ripemd-160
655f80c871c398659dd117c54fc46b873f5973a5
Diameter
41463112
Circumference
130260208.05417
Area
1.3502483989233E+15
Volume
3.7323667061586E+22
Surface area
5.4009935956934E+15
Circumference
130260208.05417
Perimeter
82926224
Area
429797414181136
Diagonal
29318847.664297
Surface area
2578784485086816
Volume
8.9103691607514E+21
Space diagonal
35908108.311959
Perimeter
62194668
Area
1.8610773958086E+14
Altitude
17954054.15598
Surface area
1.8610773958086E+14
Volume
1.0500970760738E+21
Height
9772949.2214324