68540949 is an odd 8-digits composite number following 68540948
and preceding 68540950 . In scientific notation, it is written as 6.8540949 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 43360800 positive integers (up to 68540949) that are relatively prime to 68540949.
68540949 has 16 divisors, whose sum is 80136000
The reverse of 68540949 is 94904586
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million five hundred forty thousand nine hundred forty-nine
Scientific notation
6.8540949 × 10^7
Engineering notation
6.8540949 × 10^6
Prime Factorization
9 × 59 × 29 × 4451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68540949
Product of the distinct prime numbers
The prime factorization of 68540949 is 9 × 59 × 29 × 4451.
Since it has a total of 4 prime factors.
5 , 10 , 73 , 26 , 372 , 208 , 8277 , 9504 , 13944 , 63408 , 870143 , 305601 , 8753777 , 6584068 , 61231268 , 78644495 , 91111781 , 657725925 , 9382643055 , 3312299729
n×2
137081898
n×3
205622847
n×4
274163796
n×5
342704745
n÷2
34270474.5
n÷3
22846983
n÷3
17135237.25
n÷5
13708189.8
n2
4697861689820601
n3
3.2199589849105E+23
n4
2.2069904456684E+31
n5
1.5126921958005E+39
2 √n
8278.9461285842
3 √n
409.24498964984
4 √n
90.988714292401
5 √n
36.913907758074
1 , 9 , 29 , 59 , 261 , 531 , 1711 , 4451 , 15399 , 40059 , 129079 , 262609 , 1161711 , 2363481 , 7615661 , 68540949
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
-68540948
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 68540949 can be divided by 16 positive divisors.
The sum of these divisors (counting 68540949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101011101101000010101
3
Ternary
11202222020111200
4
Quaternary
10011131220111
5
Quinary
120021302244
6
Senary
10445023113
8
Octal
405355025
10
Decimal
68540949
12
Duodecimal
1ab54a99
16
Hexadecimal
415da15
20
Vigesimal
1187c79
36
Base36
14t2j9
md5
74739ab8ba2e959b817b54c8769d0fe9
sha1
ac91863397a23cd12c483786f34667886c76cf72
sha256
b94fa60f97a4374ff80651948d1c8e2073a7c9be8a1b70ed45ae7778ff549a89
sha512
7ddf3fd441d9619d85a431440cb0f8423ca17f4e487afc39b970d9ecd4e6d804a8d85e370a14039a42dfd7e90e5a88959c915f3eeb14e8a8fb0c9a8c68d8dc6a
ripemd-160
fc9d1b30bb9401267608a1872f31cf505d5f5cb1
Diameter
137081898
Circumference
430655483.69695
Area
1.4758767772321E+16
Volume
1.3487732655807E+24
Surface area
5.9035071089285E+16
Circumference
430655483.69695
Perimeter
274163796
Area
4697861689820601
Diagonal
96931539.653723
Surface area
28187170138923606
Volume
3.2199589849105E+23
Space diagonal
118716406.06699
Perimeter
205622847
Area
2.0342337834252E+15
Altitude
59358203.033494
Surface area
2.0342337834252E+15
Volume
3.7947580556213E+22
Height
32310513.217908