20654990 is an even 8-digits composite number following 20654989
and preceding 20654991 . In scientific notation, it is written as 2.0654990 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 7995360 positive integers (up to 20654990) that are relatively prime to 20654990.
20654990 has 16 divisors, whose sum is 38378880
The reverse of 20654990 is 09945602
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred fifty-four thousand nine hundred ninety
Scientific notation
2.0654990 × 10^7
Engineering notation
2.0654990 × 10^6
Prime Factorization
2 × 5 × 31 × 66629
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20654990
Product of the distinct prime numbers
The prime factorization of 20654990 is 2 × 5 × 31 × 66629.
Since it has a total of 4 prime factors.
7 , 10 , 1 , 71 , 605 , 36 , 7673 , 7260 , 31455 , 66708 , 987532 , 80500 , 8677246 , 5279635 , 50745394 , 54749769 , 691757191 , 446233579 , 6991525898 , 3173466213
n×2
41309980
n×3
61964970
n×4
82619960
n×5
103274950
n÷2
10327495
n÷3
6884996.6666667
n÷3
5163747.5
n÷5
4130998
n2
426628611900100
n3
8.8120097125104E+21
n4
1.8201197249181E+29
n5
3.7594554716985E+36
2 √n
4544.7761220989
3 √n
274.37318393438
4 √n
67.414954736311
5 √n
29.040560738109
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 66629 , 133258 , 333145 , 666290 , 2065499 , 4130998 , 10327495 , 20654990
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
-20654989
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 20654990 can be divided by 16 positive divisors.
The sum of these divisors (counting 20654990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110010101110001110
3
Ternary
1102212101022122
4
Quaternary
1032302232032
5
Quinary
20241424430
6
Senary
2014412542
8
Octal
116625616
10
Decimal
20654990
12
Duodecimal
6b01152
16
Hexadecimal
13b2b8e
20
Vigesimal
691h9a
36
Base36
caphq
md5
ef4057748d34721a886ecbaecb7bcb72
sha1
2a7b4e97a045bbdf13d5f22851fe0820f2839a70
sha256
13c451cd07c7722153cf6eed1df33053b2112e320153a0612afcbb76333cdd9c
sha512
1116a14bc5930dbbde4cc79076a6199a567925ff4973a8928c414140282a5716bfb41374e5acae2eb552941efc652c647cbb660c6faae82a4fb5d4e6ab751426
ripemd-160
377f72fa9da3c7a5929d7c1d5e1d68432a5af9fb
Diameter
41309980
Circumference
129779129.68794
Area
1.3402933129566E+15
Volume
3.6911659968246E+22
Surface area
5.3611732518263E+15
Circumference
129779129.68794
Perimeter
82619960
Area
426628611900100
Diagonal
29210566.988681
Surface area
2559771671400600
Volume
8.8120097125104E+21
Space diagonal
35775492.109827
Perimeter
61964970
Area
1.8473560794339E+14
Altitude
17887746.054914
Surface area
1.8473560794339E+14
Volume
1.038505303933E+21
Height
9736855.6628936