20155666 is an even 8-digits composite number following 20155665
and preceding 20155667 . In scientific notation, it is written as 2.0155666 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10077832 positive integers (up to 20155666) that are relatively prime to 20155666.
20155666 has 4 divisors, whose sum is 30233502
The reverse of 20155666 is 66655102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifty-five thousand six hundred sixty-six
Scientific notation
2.0155666 × 10^7
Engineering notation
2.0155666 × 10^6
Prime Factorization
2 × 10077833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20155666
Product of the distinct prime numbers
The prime factorization of 20155666 is 2 × 10077833.
Since it has a total of 2 prime factors.
7 , 7 , 28 , 8 , 283 , 734 , 4397 , 9886 , 63963 , 19782 , 422246 , 950836 , 5504407 , 3521218 , 728856 , 1841964 , 955104800 , 502594890 , 9081486759 , 93696786
n×2
40311332
n×3
60466998
n×4
80622664
n×5
100778330
n÷2
10077833
n÷3
6718555.3333333
n÷3
5038916.5
n÷5
4031133.2
n2
406250871903556
n3
8.1882568862969E+21
n4
1.650397709224E+29
n5
3.3264864994284E+36
2 √n
4489.5062089277
3 √n
272.14417997632
4 √n
67.003777572072
5 √n
28.898774794896
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
-20155665
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 20155666 can be divided by 4 positive divisors.
The sum of these divisors (counting 20155666) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111000110100010010
3
Ternary
1101221000101011
4
Quaternary
1030320310102
5
Quinary
20124440131
6
Senary
2000001134
8
Octal
114706422
10
Decimal
20155666
12
Duodecimal
69001aa
16
Hexadecimal
1338d12
20
Vigesimal
65j936
36
Base36
c007m
md5
234d8ae1b678fe01fd1e14f6f6828df6
sha1
519dd1439a7f601263741930613703c0d5e5d2b8
sha256
53a5be1fc28c80635d46e50bdc872ba718e98d61416ccbc780666a93e9f9866a
sha512
1368648c6c16a823d6449c0fc5908acbb8277d714f6760103157a6206c0b781db762fdbde47d508e783be7e85811e0e99d7fc579529b38aab06082326bdc5c1b
ripemd-160
017f01632311a22fd59251c058d7785fe1d651ea
Diameter
40311332
Circumference
126641784.46762
Area
1.2762747546867E+15
Volume
3.4298890239595E+22
Surface area
5.1050990187466E+15
Circumference
126641784.46762
Perimeter
80622664
Area
406250871903556
Diagonal
28504416.215862
Surface area
2437505231421336
Volume
8.1882568862969E+21
Space diagonal
34910637.572389
Perimeter
60466998
Area
1.7591178768903E+14
Altitude
17455318.786194
Surface area
1.7591178768903E+14
Volume
9.6499532839966E+20
Height
9501472.0719541