68615 is an odd 5-digits composite number following 68614
and preceding 68616 . In scientific notation, it is written as 6.8615 × 10^4.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 54888 positive integers (up to 68615) that are relatively prime to 68615.
68615 has 4 divisors, whose sum is 82344
The reverse of 68615 is 51686
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 26
Digital Root 8
Name
sixty-eight thousand six hundred fifteen
Scientific notation
6.8615 × 10^4
Engineering notation
6.8615 × 10^3
Prime Factorization
5 × 13723
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68615
Product of the distinct prime numbers
The prime factorization of 68615 is 5 × 13723.
Since it has a total of 2 prime factors.
9 , 4 , 38 , 36 , 957 , 783 , 5860 , 360 , 74155 , 93979 , 336335 , 530021 , 5504938 , 5616290 , 89993274 , 80230577 , 174403438 , 575681585 , 1286845933 , 5402763611
n×2
137230
n×3
205845
n×4
274460
n×5
343075
n÷2
34307.5
n÷3
22871.666666667
n÷3
17153.75
n÷5
13723
n2
4708018225
n3
323040670508375
n4
2.2165435606932E+19
n5
1.5208813641696E+24
2 √n
261.94465064208
3 √n
40.939231809106
4 √n
16.184704218554
5 √n
9.2743570908513
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68615 can be divided by 4 positive divisors.
The sum of these divisors (counting 68615) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000110000000111
3
Ternary
10111010022
4
Quaternary
100300013
5
Quinary
4143430
6
Senary
1245355
8
Octal
206007
10
Decimal
68615
12
Duodecimal
3385b
16
Hexadecimal
10c07
20
Vigesimal
8baf
36
Base36
1gxz
md5
8cd6b7833e686c13ae1c62aa2d5cb78c
sha1
1821074cb11e95cb08235581029bc8df4649f856
sha256
4305e794c1c35338886052bdaa33899b85092b722086856727cde7fad41b8837
sha512
a192f0cd3a443e4f2b97ab316258a073c7f0f8a58fa375903ec8266b36fad4614cf8ba243f1249cdc924633f64b152c7aac09ce5082983fef5c9ebba03cab981
ripemd-160
6ef1fee4fcc146bdb72910c68cc2d2f64c46b9de
Diameter
137230
Circumference
431120.75985213
Area
14790675468.627
Volume
1.3531495963731E+15
Surface area
59162701874.507
Circumference
431120.75985213
Perimeter
274460
Area
4708018225
Diagonal
97036.26358223
Surface area
28248109350
Volume
323040670508375
Space diagonal
118844.66616134
Perimeter
205845
Area
2038631692.1651
Altitude
59422.333080669
Surface area
2038631692.1651
Volume
38070708119254
Height
32345.421194077