20556665 is an odd 8-digits composite number following 20556664
and preceding 20556666 . In scientific notation, it is written as 2.0556665 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 16445328 positive integers (up to 20556665) that are relatively prime to 20556665.
20556665 has 4 divisors, whose sum is 24668004
The reverse of 20556665 is 56665502
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million five hundred fifty-six thousand six hundred sixty-five
Scientific notation
2.0556665 × 10^7
Engineering notation
2.0556665 × 10^6
Prime Factorization
5 × 4111333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20556665
Product of the distinct prime numbers
The prime factorization of 20556665 is 5 × 4111333.
Since it has a total of 2 prime factors.
7 , 6 , 20 , 75 , 885 , 896 , 7919 , 8459 , 97773 , 33478 , 257374 , 578238 , 9907755 , 7140020 , 91375254 , 76811199 , 699616220 , 721056195 , 807280175 , 1607426303
n×2
41113330
n×3
61669995
n×4
82226660
n×5
102783325
n÷2
10278332.5
n÷3
6852221.6666667
n÷3
5139166.25
n÷5
4111333
n2
422576475922225
n3
8.6867630524137E+21
n4
1.7857087800285E+29
n5
3.6708217178604E+36
2 √n
4533.9458532276
3 √n
273.93712038551
4 √n
67.33458140679
5 √n
29.012859288499
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
-20556664
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 20556665 can be divided by 4 positive divisors.
The sum of these divisors (counting 20556665) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110011010101101111001
3
Ternary
1102200101102222
4
Quaternary
1032122231321
5
Quinary
20230303130
6
Senary
2012333425
8
Octal
116325571
10
Decimal
20556665
12
Duodecimal
6a74275
16
Hexadecimal
139ab79
20
Vigesimal
689bd5
36
Base36
c8lmh
md5
9dcae6a67f86f73fe0536fdb7c41fcf0
sha1
2c5462c50f96df6fb086b3c7635358c41d1ebc51
sha256
282c7fa04dcee454b905c1dbc8571f9a4679c6590e6fda4144d70e45d0c114d3
sha512
320992102fa08c622cc3579f61368343bcc7daa756d6645c266813f426f5b080e3537b8997673bc2171b037cc019ee3d89937a10b3371b17fce330c13334d03f
ripemd-160
b112db17d5339fc8325c49890cda9f7ea560a0c5
Diameter
41113330
Circumference
129161335.49261
Area
1.3275631523371E+15
Volume
3.6387027985251E+22
Surface area
5.3102526093485E+15
Circumference
129161335.49261
Perimeter
82226660
Area
422576475922225
Diagonal
29071514.44016
Surface area
2535458855533350
Volume
8.6867630524137E+21
Space diagonal
35605188.214173
Perimeter
61669995
Area
1.8298098159518E+14
Altitude
17802594.107086
Surface area
1.8298098159518E+14
Volume
1.0237448434871E+21
Height
9690504.8133868