20654989 is an odd 8-digits composite number following 20654988
and preceding 20654990 . In scientific notation, it is written as 2.0654989 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 18859456 positive integers (up to 20654989) that are relatively prime to 20654989.
20654989 has 16 divisors, whose sum is 22550400
The reverse of 20654989 is 98945602
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred fifty-four thousand nine hundred eighty-nine
Scientific notation
2.0654989 × 10^7
Engineering notation
2.0654989 × 10^6
Prime Factorization
23 × 29 × 173 × 179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20654989
Product of the distinct prime numbers
The prime factorization of 20654989 is 23 × 29 × 173 × 179.
Since it has a total of 4 prime factors.
1 , 4 , 13 , 4 , 856 , 941 , 1605 , 9680 , 16939 , 63417 , 533650 , 192110 , 5645378 , 9417926 , 6908631 , 65131503 , 440837012 , 339798696 , 804935647 , 5083653669
n×2
41309978
n×3
61964967
n×4
82619956
n×5
103274945
n÷2
10327494.5
n÷3
6884996.3333333
n÷3
5163747.25
n÷5
4130997.8
n2
426628570590121
n3
8.8120084326247E+21
n4
1.8201193724377E+29
n5
3.7594545616388E+36
2 √n
4544.7760120824
3 √n
274.3731795065
4 √n
67.414953920347
5 √n
29.040560456913
1 , 23 , 29 , 173 , 179 , 667 , 3979 , 4117 , 5017 , 5191 , 30967 , 115391 , 119393 , 712241 , 898043 , 20654989
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
-20654988
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 20654989 can be divided by 16 positive divisors.
The sum of these divisors (counting 20654989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110010101110001101
3
Ternary
1102212101022121
4
Quaternary
1032302232031
5
Quinary
20241424424
6
Senary
2014412541
8
Octal
116625615
10
Decimal
20654989
12
Duodecimal
6b01151
16
Hexadecimal
13b2b8d
20
Vigesimal
691h99
36
Base36
caphp
md5
e13daa52ee7b4cce3bd500a8a6ba630a
sha1
e900d625a33d1f4f2ee3d3a6bc14605e692b03e2
sha256
ae5c4295771e9fa1368e8b1ee50f1aeca840f027a966beaa0458cc6e36a84870
sha512
1a1d4946e29b51531169a2a7e9e46dd4796d899228f30337adcbd2b519f7c8ad82f0f62b0bcc27b0b8600077b99b74ee424aa14e4fc0487bbb96a2319d5b950a
ripemd-160
ab298252f279f357de0efe090f74e1b0998ce348
Diameter
41309978
Circumference
129779123.40476
Area
1.3402931831774E+15
Volume
3.6911654607073E+22
Surface area
5.3611727327098E+15
Circumference
129779123.40476
Perimeter
82619956
Area
426628570590121
Diagonal
29210565.574467
Surface area
2559771423540726
Volume
8.8120084326247E+21
Space diagonal
35775490.377776
Perimeter
61964967
Area
1.8473559005564E+14
Altitude
17887745.188888
Surface area
1.8473559005564E+14
Volume
1.038505153097E+21
Height
9736855.191489