20739915 is an odd 8-digits composite number following 20739914
and preceding 20739916 . In scientific notation, it is written as 2.0739915 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 8916480 positive integers (up to 20739915) that are relatively prime to 20739915.
20739915 has 32 divisors, whose sum is 34398208
The reverse of 20739915 is 51993702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred thirty-nine thousand nine hundred fifteen
Scientific notation
2.0739915 × 10^7
Engineering notation
2.0739915 × 10^6
Prime Factorization
7 × 15 × 51 × 3 × 1291
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20739915
Product of the distinct prime numbers
The prime factorization of 20739915 is 7 × 15 × 51 × 3 × 1291.
Since it has a total of 5 prime factors.
6 , 2 , 41 , 65 , 671 , 686 , 3142 , 6284 , 26833 , 29580 , 167350 , 771405 , 4635023 , 769416 , 84846020 , 66194774 , 212514686 , 210765322 , 1522054486 , 5471869842
n×2
41479830
n×3
62219745
n×4
82959660
n×5
103699575
n÷2
10369957.5
n÷3
6913305
n÷3
5184978.75
n÷5
4147983
n2
430144074207225
n3
8.9211515368115E+21
n4
1.8502392457559E+29
n5
3.8373804686642E+36
2 √n
4554.1096824736
3 √n
274.74870707949
4 √n
67.484143933769
5 √n
29.064402177639
1 , 3 , 7 , 15 , 21 , 45 , 51 , 105 , 153 , 315 , 357 , 765 , 1071 , 1291 , 2295 , 3873 , 5355 , 9037 , 16065 , 19365 , 27111 , 58095 , 65841 , 135555 , 197523 , 406665 , 460887 , 987615 , 1382661 , 2962845 , 6913305 , 20739915
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20739914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20739915 can be divided by 32 positive divisors.
The sum of these divisors (counting 20739915) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111000111011101001011
3
Ternary
1110000200211000
4
Quaternary
1033013131023
5
Quinary
20302134130
6
Senary
2020310043
8
Octal
117073513
10
Decimal
20739915
12
Duodecimal
6b42323
16
Hexadecimal
13c774b
20
Vigesimal
69c9ff
36
Base36
ccj0r
md5
46faba4690a87c61abaca6e1fcf787e6
sha1
b206ca308207a80da1fd3d805fcb54e42422d295
sha256
b145d00b91efe195d1dd58461e30cb1537b51f63e84eaea03aafdee1353a3d4e
sha512
ca352a23b0660370dc0aa752b1716ea25726bd9f2ebb419dbc3d45d36a37767b8d9de6687e09a65969c43d6cc8695596f67e41dc4ff734cfa7b9f830cf7dacb0
ripemd-160
88f65a1ac353476a386f5851f97c9eac1eb3affb
Diameter
41479830
Circumference
130312729.20015
Area
1.3513374635146E+15
Volume
3.7368832172811E+22
Surface area
5.4053498540584E+15
Circumference
130312729.20015
Perimeter
82959660
Area
430144074207225
Diagonal
29330669.075465
Surface area
2580864445243350
Volume
8.9211515368115E+21
Space diagonal
35922586.52466
Perimeter
62219745
Area
1.862578477754E+14
Altitude
17961293.26233
Surface area
1.862578477754E+14
Volume
1.0513677912787E+21
Height
9776889.6918217