68388628 is an even 8-digits composite number following 68388627
and preceding 68388629 . In scientific notation, it is written as 6.8388628 × 10^7.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 26644800 positive integers (up to 68388628) that are relatively prime to 68388628.
68388628 has 24 divisors, whose sum is 149212224
The reverse of 68388628 is 82688386
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million three hundred eighty-eight thousand six hundred twenty-eight
Scientific notation
6.8388628 × 10^7
Engineering notation
6.8388628 × 10^6
Prime Factorization
2 × 2 × 11 × 7 × 222041
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
34194314
Product of the distinct prime numbers
The prime factorization of 68388628 is 2 × 2 × 11 × 7 × 222041.
Since it has a total of 5 prime factors.
3 , 1 , 8 , 59 , 169 , 236 , 1091 , 5640 , 18337 , 84022 , 517036 , 806074 , 3097723 , 8163295 , 3924654 , 20879741 , 431732773 , 885702279 , 7078966246 , 5454001863
n×2
136777256
n×3
205165884
n×4
273554512
n×5
341943140
n÷2
34194314
n÷3
22796209.333333
n÷3
17097157
n÷5
13677725.6
n2
4677004439722384
n3
3.1985391678252E+23
n4
2.1874370529183E+31
n5
1.4959581888545E+39
2 √n
8269.7417130162
3 √n
408.94160487671
4 √n
90.938120241273
5 √n
36.897486134598
1 , 2 , 4 , 7 , 11 , 14 , 22 , 28 , 44 , 77 , 154 , 308 , 222041 , 444082 , 888164 , 1554287 , 2442451 , 3108574 , 4884902 , 6217148 , 9769804 , 17097157 , 34194314 , 68388628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68388627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68388628 can be divided by 24 positive divisors.
The sum of these divisors (counting 68388628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000100111000011100010100
3
Ternary
11202200111120011
4
Quaternary
10010320130110
5
Quinary
120001414003
6
Senary
10441450004
8
Octal
404703424
10
Decimal
68388628
12
Duodecimal
1aaa0904
16
Hexadecimal
4138714
20
Vigesimal
1178bb8
36
Base36
14pt04
md5
d12c00f47edea8b04ddd667f71617566
sha1
0e631f96389a023fc3cd1ef502650671aad14822
sha256
df476bee2a83123692505d847db3e64504906c9bdc1801dde52931d79f9062ad
sha512
165945d810edf6252c76019f82901227a4f68349def558a8da28ec6f0451028816e22e86072eeb7b3cd7c912ac65942d7d0cc9bfdc2a24cfc75356e787c6dd14
ripemd-160
9457c2a35dc7bbe7f762d136fd5fdd92d059429b
Diameter
136777256
Circumference
429698422.62777
Area
1.4693242788639E+16
Volume
1.3398009535812E+24
Surface area
5.8772971154555E+16
Circumference
429698422.62777
Perimeter
273554512
Area
4677004439722384
Diagonal
96716125.229688
Surface area
28062026638334304
Volume
3.1985391678252E+23
Space diagonal
118452578.35593
Perimeter
205165884
Area
2.0252023292061E+15
Altitude
59226289.177964
Surface area
2.0252023292061E+15
Volume
3.7695145591E+22
Height
32238708.409896