68540915 is an odd 8-digits composite number following 68540914
and preceding 68540916 . In scientific notation, it is written as 6.8540915 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 54060160 positive integers (up to 68540915) that are relatively prime to 68540915.
68540915 has 8 divisors, whose sum is 83407968
The reverse of 68540915 is 51904586
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million five hundred forty thousand nine hundred fifteen
Scientific notation
6.8540915 × 10^7
Engineering notation
6.8540915 × 10^6
Prime Factorization
5 × 71 × 193073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68540915
Product of the distinct prime numbers
The prime factorization of 68540915 is 5 × 71 × 193073.
Since it has a total of 3 prime factors.
6 , 4 , 53 , 30 , 63 , 555 , 1096 , 9962 , 88686 , 50830 , 665061 , 883819 , 7958879 , 765901 , 96789553 , 76603422 , 189849186 , 824060940 , 8123580162 , 7382605913
n×2
137081830
n×3
205622745
n×4
274163660
n×5
342704575
n÷2
34270457.5
n÷3
22846971.666667
n÷3
17135228.75
n÷5
13708183
n2
4697857029037225
n3
3.2199541930939E+23
n4
2.2069860665274E+31
n5
1.5126884439204E+39
2 √n
8278.9440751825
3 √n
409.24492198065
4 √n
90.988703008574
5 √n
36.913904095816
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68540914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68540915 can be divided by 8 positive divisors.
The sum of these divisors (counting 68540915) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101011101100111110011
3
Ternary
11202222020110102
4
Quaternary
10011131213303
5
Quinary
120021302130
6
Senary
10445023015
8
Octal
405354763
10
Decimal
68540915
12
Duodecimal
1ab54a6b
16
Hexadecimal
415d9f3
20
Vigesimal
1187c5f
36
Base36
14t2ib
md5
8f938eca2c0966601f9ae643edd8fc65
sha1
37077812dab386eaaad8472d3948c58d8e51d649
sha256
d173686b805a636a1af64eee6077bb45634f35fb60c57e75d0e7ce11818f983d
sha512
4fe86fac2d3f6dfbc9a561fe4d7da458bafe300e9b834b2817180c34da418f7e2cb26da9315355ed66eb09b54123930eb457fd8bccc7f0315baaac36a6a44a28
ripemd-160
07b8d93bf5e96c99defb38df3f13ff3703303506
Diameter
137081830
Circumference
430655270.06864
Area
1.4758753130039E+16
Volume
1.3487712583893E+24
Surface area
5.9035012520154E+16
Circumference
430655270.06864
Perimeter
274163660
Area
4697857029037225
Diagonal
96931491.570462
Surface area
28187142174223350
Volume
3.2199541930939E+23
Space diagonal
118716347.17726
Perimeter
205622745
Area
2.0342317652468E+15
Altitude
59358173.58863
Surface area
2.0342317652468E+15
Volume
3.7947524084113E+22
Height
32310497.190154