72621 is an odd 5-digits composite number following 72620
and preceding 72622 . In scientific notation, it is written as 7.2621 × 10^4.
The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors.
There are 48408 positive integers (up to 72621) that are relatively prime to 72621.
72621 has 6 divisors, whose sum is 104910
The reverse of 72621 is 12627
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 18
Digital Root 9
Name
seventy-two thousand six hundred twenty-one
Scientific notation
7.2621 × 10^4
Engineering notation
7.2621 × 10^3
Prime Factorization
3 × 3 × 8069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
24207
Product of the distinct prime numbers
The prime factorization of 72621 is 3 × 3 × 8069.
Since it has a total of 3 prime factors.
7 , 2 , 27 , 61 , 97 , 917 , 6027 , 3564 , 24588 , 2528 , 158965 , 795462 , 2896409 , 7506847 , 6355805 , 29838383 , 204317468 , 651348804 , 7037162746 , 1800316403
n×2
145242
n×3
217863
n×4
290484
n×5
363105
n÷2
36310.5
n÷3
24207
n÷3
18155.25
n÷5
14524.2
n2
5273809641
n3
382989329939061
n4
2.7813068129505E+19
n5
2.0198128206328E+24
2 √n
269.48283804354
3 √n
41.720939055273
4 √n
16.415932445144
5 √n
9.3802074880713
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72621 can be divided by 6 positive divisors.
The sum of these divisors (counting 72621) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10001101110101101
3
Ternary
10200121200
4
Quaternary
101232231
5
Quinary
4310441
6
Senary
1320113
8
Octal
215655
10
Decimal
72621
12
Duodecimal
36039
16
Hexadecimal
11bad
20
Vigesimal
91b1
36
Base36
1k19
md5
fdfa5eccb5c3a440b73f04c590466468
sha1
962416502bdb16a5b5bdd4f57a499bbd40df6117
sha256
ad421a265c37108c6f6b8ce7ce3eacb1e6f4c3aa481128d9a4f6c65961aa509f
sha512
2b227c2adabacae1c0facd55bbd500cd9a2aa882e5a425ac6f5dbf5767467420f6941f0008380f8c8aac961dcfd70f42be784b7eb6426485a98b677ca00b218f
ripemd-160
539397d4f670dcfd0e146036f532b8f3a59b6005
Diameter
145242
Circumference
456291.20019269
Area
16568161624.597
Volume
1.6042619537864E+15
Surface area
66272646498.386
Circumference
456291.20019269
Perimeter
290484
Area
5273809641
Diagonal
102701.6031131
Surface area
31642857846
Volume
382989329939061
Space diagonal
125783.26169646
Perimeter
217863
Area
2283626561.9146
Altitude
62891.63084823
Surface area
2283626561.9146
Volume
45135725387000
Height
34233.867704366