68388510 is an even 8-digits composite number following 68388509
and preceding 68388511 . In scientific notation, it is written as 6.8388510 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 18236928 positive integers (up to 68388510) that are relatively prime to 68388510.
68388510 has 16 divisors, whose sum is 164132496
The reverse of 68388510 is 01588386
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-eight million three hundred eighty-eight thousand five hundred ten
Scientific notation
6.8388510 × 10^7
Engineering notation
6.8388510 × 10^6
Prime Factorization
2 × 3 × 5 × 2279617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68388510
Product of the distinct prime numbers
The prime factorization of 68388510 is 2 × 3 × 5 × 2279617.
Since it has a total of 4 prime factors.
10 , 5 , 78 , 80 , 742 , 28 , 8019 , 1611 , 17662 , 27340 , 519105 , 445214 , 1763629 , 6100114 , 23803038 , 9250401 , 560390176 , 965263649 , 7670585774 , 1925316753
n×2
136777020
n×3
205165530
n×4
273554040
n×5
341942550
n÷2
34194255
n÷3
22796170
n÷3
17097127.5
n÷5
13677702
n2
4676988300020100
n3
3.1985226112581E+23
n4
2.1874219558525E+31
n5
1.4959452830204E+39
2 √n
8269.7345785702
3 √n
408.94136967612
4 √n
90.938081014338
5 √n
36.897473401761
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2279617 , 4559234 , 6838851 , 11398085 , 13677702 , 22796170 , 34194255 , 68388510
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
-68388509
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 68388510 can be divided by 16 positive divisors.
The sum of these divisors (counting 68388510) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100111000011010011110
3
Ternary
11202200111101210
4
Quaternary
10010320122132
5
Quinary
120001413020
6
Senary
10441445250
8
Octal
404703236
10
Decimal
68388510
12
Duodecimal
1aaa0826
16
Hexadecimal
413869e
20
Vigesimal
1178b5a
36
Base36
14pswu
md5
70b46779d97d0dd08f50afadb0219292
sha1
275a44e744813409d10075e3902d448e1476a35c
sha256
22e21b10744676ec46b13072fec1d3806c0b9c0c64f9bddf6b9309d68080d5c9
sha512
bf4609505a17e066a70b153e16881a46d01a0bd516b7dafec923d396a860ca77d8521b663b1629566fc1ea3bfbcc5cf70479d9611017ac1eef5066c07158482e
ripemd-160
1c092f70fe829bb4cc81215751c9e0e75ca542e4
Diameter
136777020
Circumference
429697681.2119
Area
1.4693192084269E+16
Volume
1.3397940183826E+24
Surface area
5.8772768337074E+16
Circumference
429697681.2119
Perimeter
273554040
Area
4676988300020100
Diagonal
96715958.352488
Surface area
28061929800120600
Volume
3.1985226112581E+23
Space diagonal
118452373.97393
Perimeter
205165530
Area
2.02519534051E+15
Altitude
59226186.986966
Surface area
2.02519534051E+15
Volume
3.7694950469985E+22
Height
32238652.784163