68615428 is an even 8-digits composite number following 68615427
and preceding 68615429 . In scientific notation, it is written as 6.8615428 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 29406600 positive integers (up to 68615428) that are relatively prime to 68615428.
68615428 has 12 divisors, whose sum is 137230912
The reverse of 68615428 is 82451686
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million six hundred fifteen thousand four hundred twenty-eight
Scientific notation
6.8615428 × 10^7
Engineering notation
6.8615428 × 10^6
Prime Factorization
2 × 2 × 7 × 2450551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34307714
Product of the distinct prime numbers
The prime factorization of 68615428 is 2 × 2 × 7 × 2450551.
Since it has a total of 4 prime factors.
8 , 3 , 77 , 55 , 818 , 736 , 773 , 3883 , 41204 , 58587 , 824272 , 628616 , 9052416 , 2796956 , 19777412 , 81388484 , 331671175 , 309347651 , 6934533708 , 5744783435
n×2
137230856
n×3
205846284
n×4
274461712
n×5
343077140
n÷2
34307714
n÷3
22871809.333333
n÷3
17153857
n÷5
13723085.6
n2
4708076959623184
n3
3.2304671564148E+23
n4
2.2165988657735E+31
n5
1.5209287987936E+39
2 √n
8283.4430039688
3 √n
409.39316931187
4 √n
91.013422108878
5 √n
36.921926662847
1 , 2 , 4 , 7 , 14 , 28 , 2450551 , 4901102 , 9802204 , 17153857 , 34307714 , 68615428
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
-68615427
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 68615428 can be divided by 12 positive divisors.
The sum of these divisors (counting 68615428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101101111110100000100
3
Ternary
11210010000200011
4
Quaternary
10011233310010
5
Quinary
120031143203
6
Senary
10450400004
8
Octal
405576404
10
Decimal
68615428
12
Duodecimal
1ab90004
16
Hexadecimal
416fd04
20
Vigesimal
118gib8
36
Base36
14uo04
md5
8147ef8bfbde34d25f492641fedf59db
sha1
76a593e2c638217589228366feb1c2566c30743d
sha256
3d1011d31ab3215fd59438534daf4b9ef3cfdd7e067a3adf6bbc2740dd7a5281
sha512
ca370171c6669a93708a478d8b1f320bc28b789977a039cd473f4c1347005fcc7d63e7960dd53a00f9a30f3a49a5d89c6bcfee6bda4cf6cc1f4d89654188690e
ripemd-160
c4e06d69573f4f2831688ffb8ada8e113610ceb9
Diameter
137230856
Circumference
431123449.05544
Area
1.4790859988888E+16
Volume
1.3531749181675E+24
Surface area
5.916343995555E+16
Circumference
431123449.05544
Perimeter
274461712
Area
4708076959623184
Diagonal
97036868.865635
Surface area
28248461757739104
Volume
3.2304671564148E+23
Space diagonal
118845407.47908
Perimeter
205846284
Area
2.0386571250029E+15
Altitude
59422703.739542
Surface area
2.0386571250029E+15
Volume
3.8071420545023E+22
Height
32345622.955212