68540931 is an odd 8-digits composite number following 68540930
and preceding 68540932 . In scientific notation, it is written as 6.8540931 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 45519264 positive integers (up to 68540931) that are relatively prime to 68540931.
68540931 has 16 divisors, whose sum is 101930400
The reverse of 68540931 is 13904586
Previous prime number is 269
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 thirty-one
Scientific notation
6.8540931 × 10^7
Engineering notation
6.8540931 × 10^6
Prime Factorization
3 × 9 × 269 × 9437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68540931
Product of the distinct prime numbers
The prime factorization of 68540931 is 3 × 9 × 269 × 9437.
Since it has a total of 4 prime factors.
5 , 8 , 79 , 39 , 149 , 544 , 7913 , 5249 , 91340 , 47711 , 489318 , 789141 , 4438049 , 2560880 , 98169232 , 89056488 , 571694460 , 155740528 , 9711586959 , 1544655077
n×2
137081862
n×3
205622793
n×4
274163724
n×5
342704655
n÷2
34270465.5
n÷3
22846977
n÷3
17135232.75
n÷5
13708186.2
n2
4697859222346761
n3
3.2199564480658E+23
n4
2.2069881272989E+31
n5
1.5126902095101E+39
2 √n
8278.9450414893
3 √n
409.24495382497
4 √n
90.988708318611
5 √n
36.913905819232
1 , 3 , 9 , 27 , 269 , 807 , 2421 , 7263 , 9437 , 28311 , 84933 , 254799 , 2538553 , 7615659 , 22846977 , 68540931
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
-68540930
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 68540931 can be divided by 16 positive divisors.
The sum of these divisors (counting 68540931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101011101101000000011
3
Ternary
11202222020111000
4
Quaternary
10011131220003
5
Quinary
120021302211
6
Senary
10445023043
8
Octal
405355003
10
Decimal
68540931
12
Duodecimal
1ab54a83
16
Hexadecimal
415da03
20
Vigesimal
1187c6b
36
Base36
14t2ir
md5
6c02ea78a4d346b9b6bb8319f3929949
sha1
fad0b0c84d78b3c57ee5a84cba83ae3f2ae46a13
sha256
b2b7016d9475f7b098f6732e7fcc460b81041b41fe09cbda93b272ea61cdc6d5
sha512
22d240b70f24084e30176b0db0981a8b9f4b2e7bdbb02f88bd03188efeb7c68340e5db2ceecdc63cbedb49fb8758e2a5b8ee9bd13de3dd1afebf28b54eccbf31
ripemd-160
20ca1ab500bc459a2e0b17a51506b8c0f4595ba5
Diameter
137081862
Circumference
430655370.59961
Area
1.4758760020524E+16
Volume
1.3487722029497E+24
Surface area
5.9035040082095E+16
Circumference
430655370.59961
Perimeter
274163724
Area
4697859222346761
Diagonal
96931514.197879
Surface area
28187155334080566
Volume
3.2199564480658E+23
Space diagonal
118716374.89007
Perimeter
205622793
Area
2.0342327149777E+15
Altitude
59358187.445036
Surface area
2.0342327149777E+15
Volume
3.7947550659212E+22
Height
32310504.732626