68615420 is an even 8-digits composite number following 68615419
and preceding 68615421 . In scientific notation, it is written as 6.8615420 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 27446160 positive integers (up to 68615420) that are relatively prime to 68615420.
68615420 has 12 divisors, whose sum is 144092424
The reverse of 68615420 is 02451686
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-eight million six hundred fifteen thousand four hundred twenty
Scientific notation
6.8615420 × 10^7
Engineering notation
6.8615420 × 10^6
Prime Factorization
2 × 2 × 5 × 3430771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34307710
Product of the distinct prime numbers
The prime factorization of 68615420 is 2 × 2 × 5 × 3430771.
Since it has a total of 4 prime factors.
10 , 4 , 9 , 91 , 46 , 608 , 6100 , 7630 , 22678 , 18217 , 333311 , 82752 , 484932 , 55582 , 33330842 , 75327173 , 565988048 , 935959302 , 6562770460 , 4949380495
n×2
137230840
n×3
205846260
n×4
274461680
n×5
343077100
n÷2
34307710
n÷3
22871806.666667
n÷3
17153855
n÷5
13723084
n2
4708075861776400
n3
3.2304660264765E+23
n4
2.2165978320242E+31
n5
1.5209279121543E+39
2 √n
8283.4425210778
3 √n
409.39315340123
4 √n
91.013419456022
5 √n
36.921925801888
1 , 2 , 4 , 5 , 10 , 20 , 3430771 , 6861542 , 13723084 , 17153855 , 34307710 , 68615420
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68615419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68615420 can be divided by 12 positive divisors.
The sum of these divisors (counting 68615420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101101111110011111100
3
Ternary
11210010000122212
4
Quaternary
10011233303330
5
Quinary
120031143140
6
Senary
10450355552
8
Octal
405576374
10
Decimal
68615420
12
Duodecimal
1ab8bbb8
16
Hexadecimal
416fcfc
20
Vigesimal
118gib0
36
Base36
14unzw
md5
23e53acea4a66d3fae1ed54377a338cd
sha1
993d61b2364205f93a3a30820dc401e7dacd6bc9
sha256
86d5132ae97198e9d191765fad0fd4fbf2f1a04e54d94abd01199158811dd27f
sha512
769dc38c86fabadc0032fd43cd9d061c54b0252ea30fc37f8836015210a3fbb2d95f49bd273bcfee698f84bb57d6d7b14116d2b74ba8f8404b961714de73e34c
ripemd-160
76790d0956d52d6bc8f89a66a420298d7e31d690
Diameter
137230840
Circumference
431123398.78996
Area
1.47908565399E+16
Volume
1.35317444486E+24
Surface area
5.9163426159601E+16
Circumference
431123398.78996
Perimeter
274461680
Area
4708075861776400
Diagonal
97036857.551926
Surface area
28248455170658400
Volume
3.2304660264765E+23
Space diagonal
118845393.62268
Perimeter
205846260
Area
2.0386566496213E+15
Altitude
59422696.811339
Surface area
2.0386566496213E+15
Volume
3.8071407228572E+22
Height
32345619.183975