20165555 is an odd 8-digits composite number following 20165554
and preceding 20165556 . In scientific notation, it is written as 2.0165555 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 14867712 positive integers (up to 20165555) that are relatively prime to 20165555.
20165555 has 16 divisors, whose sum is 26165280
The reverse of 20165555 is 55556102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred sixty-five thousand five hundred fifty-five
Scientific notation
2.0165555 × 10^7
Engineering notation
2.0165555 × 10^6
Prime Factorization
5 × 19 × 37 × 5737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20165555
Product of the distinct prime numbers
The prime factorization of 20165555 is 5 × 19 × 37 × 5737.
Since it has a total of 4 prime factors.
3 , 9 , 92 , 98 , 512 , 88 , 1541 , 8491 , 88449 , 98836 , 609569 , 641009 , 2974064 , 5304160 , 53071743 , 85561526 , 669948163 , 742810074 , 7518466349 , 5542959217
n×2
40331110
n×3
60496665
n×4
80662220
n×5
100827775
n÷2
10082777.5
n÷3
6721851.6666667
n÷3
5041388.75
n÷5
4033111
n2
406649608458025
n3
8.2003150450888E+21
n4
1.6536390405907E+29
n5
3.3346549023178E+36
2 √n
4490.6074199378
3 √n
272.1886801809
4 √n
67.011994597518
5 √n
28.901609967055
1 , 5 , 19 , 37 , 95 , 185 , 703 , 3515 , 5737 , 28685 , 109003 , 212269 , 545015 , 1061345 , 4033111 , 20165555
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
-20165554
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 20165555 can be divided by 16 positive divisors.
The sum of these divisors (counting 20165555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111011001110110011
3
Ternary
1101221111221102
4
Quaternary
1030323032303
5
Quinary
20130244210
6
Senary
2000115015
8
Octal
114731663
10
Decimal
20165555
12
Duodecimal
6905a6b
16
Hexadecimal
133b3b3
20
Vigesimal
660dhf
36
Base36
c07ub
md5
ede81e938028bf2e3cc2ce6dd000a236
sha1
49517278dbba79bfabc77728351aed358d4a183a
sha256
24ea864f9b7158b8b98de75541fbc2c1d4f35606ca75c1e6c1454eb0a4677823
sha512
95b5825e6ccff5ddc0d98e24ac15528e317be93fce19a8ed9d066fd1901845eaf04d87835972848e3b9ab2fb25620671e8800b8e0871019abe2a1b97c889320e
ripemd-160
785a93ea9d585bed36cfeb82374174d303ec32a4
Diameter
40331110
Circumference
126703918.88712
Area
1.2775274225169E+15
Volume
3.434939933703E+22
Surface area
5.1101096900676E+15
Circumference
126703918.88712
Perimeter
80662220
Area
406649608458025
Diagonal
28518401.373781
Surface area
2439897650748150
Volume
8.2003150450888E+21
Space diagonal
34927765.822825
Perimeter
60496665
Area
1.7608444568182E+14
Altitude
17463882.911412
Surface area
1.7608444568182E+14
Volume
9.6641639604139E+20
Height
9506133.7912602