68181507 is an odd 8-digits composite number following 68181506
and preceding 68181508 . In scientific notation, it is written as 6.8181507 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors.
There are 45349200 positive integers (up to 68181507) that are relatively prime to 68181507.
68181507 has 20 divisors, whose sum is 102087216
The reverse of 68181507 is 70518186
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million one hundred eighty-one thousand five hundred seven
Scientific notation
6.8181507 × 10^7
Engineering notation
6.8181507 × 10^6
Prime Factorization
3 × 3 × 3 × 3 × 647 × 1301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2525241
Product of the distinct prime numbers
The prime factorization of 68181507 is 3 × 3 × 3 × 3 × 647 × 1301.
Since it has a total of 6 prime factors.
1 , 8 , 40 , 45 , 926 , 934 , 6556 , 2424 , 73853 , 94157 , 934186 , 854918 , 3579627 , 4944253 , 42696952 , 84611898 , 287590575 , 63918909 , 4428845837 , 4922468913
n×2
136363014
n×3
204544521
n×4
272726028
n×5
340907535
n÷2
34090753.5
n÷3
22727169
n÷3
17045376.75
n÷5
13636301.4
n2
4648717896791049
n3
3.1695659182108E+23
n4
2.1610578083945E+31
n5
1.4734417809046E+39
2 √n
8257.2093954314
3 √n
408.52834881194
4 √n
90.86918837225
5 √n
36.875109551259
1 , 3 , 9 , 27 , 81 , 647 , 1301 , 1941 , 3903 , 5823 , 11709 , 17469 , 35127 , 52407 , 105381 , 841747 , 2525241 , 7575723 , 22727169 , 68181507
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68181506
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68181507 can be divided by 20 positive divisors.
The sum of these divisors (counting 68181507) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000100000101111000000011
3
Ternary
11202021222110000
4
Quaternary
10010011320003
5
Quinary
114423302012
6
Senary
10433211043
8
Octal
404057003
10
Decimal
68181507
12
Duodecimal
1aa00a83
16
Hexadecimal
4105e03
20
Vigesimal
1162df7
36
Base36
14ld6r
md5
c7442a4c1fd66822920866ba49cdb217
sha1
265f89671a2dc9b61e85237a3440dab99b0e40c4
sha256
4872f6586694a9da9d86e2077436524db847e0f8e5f57d22bebc1f0224a6441e
sha512
1e23f119692db8cf60151218adc34f99063482e18382324ffac745090703fa592f35b6fa20368cf9061fe7fca136c3dccd1575c4ef663f07cb60ca959c03f57e
ripemd-160
0f2869073cdf67548b3722aced2d9795dd8bbb67
Diameter
136363014
Circumference
428397043.00376
Area
1.460437799317E+16
Volume
1.3276646671626E+24
Surface area
5.8417511972681E+16
Circumference
428397043.00376
Perimeter
272726028
Area
4648717896791049
Diagonal
96423211.902436
Surface area
27892307380746294
Volume
3.1695659182108E+23
Space diagonal
118093834.26061
Perimeter
204544521
Area
2.0129538968242E+15
Altitude
59046917.130307
Surface area
2.0129538968242E+15
Volume
3.7353692569744E+22
Height
32141070.634145