68540913 is an odd 8-digits composite number following 68540912
and preceding 68540914 . In scientific notation, it is written as 6.8540913 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 39074400 positive integers (up to 68540913) that are relatively prime to 68540913.
68540913 has 16 divisors, whose sum is 95964352
The reverse of 68540913 is 31904586
Previous prime number is 2011
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million five hundred forty thousand nine hundred thirteen
Scientific notation
6.8540913 × 10^7
Engineering notation
6.8540913 × 10^6
Prime Factorization
21 × 3 × 2011 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68540913
Product of the distinct prime numbers
The prime factorization of 68540913 is 21 × 3 × 2011 × 541.
Since it has a total of 4 prime factors.
9 , 10 , 19 , 43 , 753 , 221 , 7307 , 1927 , 36466 , 32476 , 865691 , 582802 , 6569939 , 8871778 , 34423315 , 62883249 , 317444466 , 584589056 , 882343923 , 1080964685
n×2
137081826
n×3
205622739
n×4
274163652
n×5
342704565
n÷2
34270456.5
n÷3
22846971
n÷3
17135228.25
n÷5
13708182.6
n2
4697856754873569
n3
3.2199539112225E+23
n4
2.2069858089311E+31
n5
1.5126882232218E+39
2 √n
8278.9439543942
3 √n
409.2449180001
4 √n
90.98870234482
5 √n
36.913903880389
1 , 3 , 21 , 63 , 541 , 1623 , 2011 , 6033 , 11361 , 34083 , 42231 , 126693 , 1087951 , 3263853 , 22846971 , 68540913
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
-68540912
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 68540913 can be divided by 16 positive divisors.
The sum of these divisors (counting 68540913) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101011101100111110001
3
Ternary
11202222020110100
4
Quaternary
10011131213301
5
Quinary
120021302123
6
Senary
10445023013
8
Octal
405354761
10
Decimal
68540913
12
Duodecimal
1ab54a69
16
Hexadecimal
415d9f1
20
Vigesimal
1187c5d
36
Base36
14t2i9
md5
139bbad86e1dbd223650c1578f0f2e90
sha1
8497e7f5c20a064d51e307dae42e5daa1005a0e7
sha256
b4468bab6efa3a78585b12849725b00489e2decd83e72b64f0123230dbab29c0
sha512
6fbf0c6fda90d255450ba05dc1b0c880a61e5770c753df210e99a2ce2216a7c00d5d27a0941608e49d1718248558002e66c231b6bf2d923883291eedce33f1ec
ripemd-160
6179fc030e9a6d71edb9eace60b6bfdcd05d26fa
Diameter
137081826
Circumference
430655257.50227
Area
1.4758752268728E+16
Volume
1.3487711403193E+24
Surface area
5.9035009074912E+16
Circumference
430655257.50227
Perimeter
274163652
Area
4697856754873569
Diagonal
96931488.742034
Surface area
28187140529241414
Volume
3.2199539112225E+23
Space diagonal
118716343.71316
Perimeter
205622739
Area
2.0342316465304E+15
Altitude
59358171.856579
Surface area
2.0342316465304E+15
Volume
3.7947520762226E+22
Height
32310496.247345