72688 is an even 5-digits composite number following 72687
and preceding 72689 . In scientific notation, it is written as 7.2688 × 10^4.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 27840 positive integers (up to 72688) that are relatively prime to 72688.
72688 has 20 divisors, whose sum is 145080
The reverse of 72688 is 88627
Previous prime number is 77
Is Prime? no
Number parity even
Number length 5
Sum of Digits 31
Digital Root 4
Name
seventy-two thousand six hundred eighty-eight
Scientific notation
7.2688 × 10^4
Engineering notation
7.2688 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 77 × 59
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9086
Product of the distinct prime numbers
The prime factorization of 72688 is 2 × 2 × 2 × 2 × 77 × 59.
Since it has a total of 6 prime factors.
3 , 3 , 19 , 83 , 701 , 479 , 8128 , 6217 , 16790 , 56763 , 559803 , 175961 , 7657776 , 4988269 , 96342674 , 49541544 , 630473952 , 926338451 , 9577842708 , 8799425374
n×2
145376
n×3
218064
n×4
290752
n×5
363440
n÷2
36344
n÷3
24229.333333333
n÷3
18172
n÷5
14537.6
n2
5283545344
n3
384050343964672
n4
2.7915851402104E+19
n5
2.0291474067161E+24
2 √n
269.60712156766
3 √n
41.733765665161
4 √n
16.419717463089
5 √n
9.381937682088
1 , 2 , 4 , 8 , 16 , 59 , 77 , 118 , 154 , 236 , 308 , 472 , 616 , 944 , 1232 , 4543 , 9086 , 18172 , 36344 , 72688
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72688 can be divided by 20 positive divisors.
The sum of these divisors (counting 72688) is 1, the average is 0.05.
Base
System
Value
2
Binary
10001101111110000
3
Ternary
10200201011
4
Quaternary
101233300
5
Quinary
4311223
6
Senary
1320304
8
Octal
215760
10
Decimal
72688
12
Duodecimal
36094
16
Hexadecimal
11bf0
20
Vigesimal
91e8
36
Base36
1k34
md5
730c8b1fb7ddcb967c1d9ed441975480
sha1
8fb29fca1767fb897734143f9eb28eaa2bd6c476
sha256
14a95b25bef4e9269ffd3e2e091c4c9b13bf786ddfa6ad5eb041131eb9b18ceb
sha512
c452862bfea644c811dfac0c2ec075032b711460268b05c373c60c6e31241d554a7f32a1fe56da667c7811a1e11bb0880970935e14b5d9c151e0d5feedf8c253
ripemd-160
7343ae0e991c74e686134624af4f191ee05b517e
Diameter
145376
Circumference
456712.17360827
Area
16598747237.619
Volume
1.6087063189441E+15
Surface area
66394988950.476
Circumference
456712.17360827
Perimeter
290752
Area
5283545344
Diagonal
102796.35542178
Surface area
31701272064
Volume
384050343964672
Space diagonal
125899.30910057
Perimeter
218064
Area
2287842244.9755
Altitude
62949.654550283
Surface area
2287842244.9755
Volume
45260767089074
Height
34265.451807259