72261 is an odd 5-digits composite number following 72260
and preceding 72262 . In scientific notation, it is written as 7.2261 × 10^4.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 38880 positive integers (up to 72261) that are relatively prime to 72261.
72261 has 4 divisors, whose sum is 82592
The reverse of 72261 is 16227
Previous prime number is 10323
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 18
Digital Root 9
Name
seventy-two thousand two hundred sixty-one
Scientific notation
7.2261 × 10^4
Engineering notation
7.2261 × 10^3
Prime Factorization
10323 × 7
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72261
Product of the distinct prime numbers
The prime factorization of 72261 is 10323 × 7.
Since it has a total of 2 prime factors.
8 , 9 , 18 , 74 , 620 , 571 , 5426 , 5052 , 22956 , 73490 , 819000 , 145179 , 1681323 , 3339042 , 90143301 , 92750883 , 639125521 , 558896959 , 6092651514 , 7195491440
n×2
144522
n×3
216783
n×4
289044
n×5
361305
n÷2
36130.5
n÷3
24087
n÷3
18065.25
n÷5
14452.2
n2
5221652121
n3
377321803915581
n4
2.7265650872744E+19
n5
1.9702431977153E+24
2 √n
268.81406213217
3 √n
41.651884534123
4 √n
16.395550071046
5 √n
9.3708889970626
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
-72260
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 72261 can be divided by 4 positive divisors.
The sum of these divisors (counting 72261) is 1, the average is 0.25.
Base
System
Value
2
Binary
10001101001000101
3
Ternary
10200010100
4
Quaternary
101221011
5
Quinary
4303021
6
Senary
1314313
8
Octal
215105
10
Decimal
72261
12
Duodecimal
35999
16
Hexadecimal
11a45
20
Vigesimal
90d1
36
Base36
1jr9
md5
623dbe5cb18dab7a24441f9582b6dff8
sha1
d62b45ba468a2b8de24df46c9096d6df390c8e7b
sha256
e01305940fce34f41b7f646516ca61abda4cda174c53aa03fa50619acae3906c
sha512
8015e1eec9059fbb8496a96c44fa06b60e8c2ed40a671fa501b82d594ee4ca7117df5fa40a587e411432b1dd95169c77ba41970c4c4af7221f1fd7612128a446
ripemd-160
ffc52f942ba398fcf5c5ed2e16aa6f6c1202d467
Diameter
144522
Circumference
454029.2534821
Area
16404303942.935
Volume
1.5805218762939E+15
Surface area
65617215771.741
Circumference
454029.2534821
Perimeter
289044
Area
5221652121
Diagonal
102192.48623064
Surface area
31329912726
Volume
377321803915581
Space diagonal
125159.72340573
Perimeter
216783
Area
2261041693.2554
Altitude
62579.861702867
Surface area
2261041693.2554
Volume
44467801039708
Height
34064.162076881