20739989 is an odd 8-digits composite number following 20739988
and preceding 20739990 . In scientific notation, it is written as 2.0739989 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 20576556 positive integers (up to 20739989) that are relatively prime to 20739989.
20739989 has 4 divisors, whose sum is 20903424
The reverse of 20739989 is 98993702
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million seven hundred thirty-nine thousand nine hundred eighty-nine
Scientific notation
2.0739989 × 10^7
Engineering notation
2.0739989 × 10^6
Prime Factorization
127 × 163307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20739989
Product of the distinct prime numbers
The prime factorization of 20739989 is 127 × 163307.
Since it has a total of 2 prime factors.
2 , 10 , 21 , 54 , 512 , 664 , 1675 , 8089 , 78229 , 26439 , 718692 , 425766 , 6785128 , 8740713 , 66580022 , 99530100 , 351582593 , 666365487 , 5386894971 , 883368649
n×2
41479978
n×3
62219967
n×4
82959956
n×5
103699945
n÷2
10369994.5
n÷3
6913329.6666667
n÷3
5184997.25
n÷5
4147997.8
n2
430147143720121
n3
8.9212470291367E+21
n4
1.8502656525058E+29
n5
3.8374489280048E+36
2 √n
4554.1178069962
3 √n
274.74903384683
4 √n
67.484204129531
5 √n
29.064422917962
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
-20739988
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 20739989 can be divided by 4 positive divisors.
The sum of these divisors (counting 20739989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000111011110010101
3
Ternary
1110000200220202
4
Quaternary
1033013132111
5
Quinary
20302134424
6
Senary
2020310245
8
Octal
117073625
10
Decimal
20739989
12
Duodecimal
6b42385
16
Hexadecimal
13c7795
20
Vigesimal
69c9j9
36
Base36
ccj2t
md5
6a0f4fc7c0931dd2270ecf50ca15ddc0
sha1
93f7f014d642dbdd07067a434585e4723b10b215
sha256
e028fa260b38834d8f90c4c4d03b6465757e289ef0fbd49d4099dbff29f2092d
sha512
89e87ca8aa460d07cfc0762e487acdf8b8acf5d4fe3a9b3551c62e9dcc27ea42eb3784032fc47667de0f4a72db5e5fad424f62bdcefa0bbb5e1646dd3d370480
ripemd-160
d5be8379f0b36a05d9b5717a4d5fa0bc970bf444
Diameter
41479978
Circumference
130313194.15587
Area
1.3513471066738E+15
Volume
3.7369232170128E+22
Surface area
5.4053884266951E+15
Circumference
130313194.15587
Perimeter
82959956
Area
430147143720121
Diagonal
29330773.727269
Surface area
2580882862320726
Volume
8.9212470291367E+21
Space diagonal
35922714.69642
Perimeter
62219967
Area
1.8625917691347E+14
Altitude
17961357.34821
Surface area
1.8625917691347E+14
Volume
1.0513790451572E+21
Height
9776924.5757563