72665861 is an odd 8-digits composite number following 72665860
and preceding 72665862 . In scientific notation, it is written as 7.2665861 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 68841324 positive integers (up to 72665861) that are relatively prime to 72665861.
72665861 has 4 divisors, whose sum is 76490400
The reverse of 72665861 is 16856627
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-two million six hundred sixty-five thousand eight hundred sixty-one
Scientific notation
7.2665861 × 10^7
Engineering notation
7.2665861 × 10^6
Prime Factorization
19 × 3824519
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72665861
Product of the distinct prime numbers
The prime factorization of 72665861 is 19 × 3824519.
Since it has a total of 2 prime factors.
6 , 5 , 53 , 52 , 369 , 541 , 9614 , 3918 , 63514 , 69830 , 704585 , 37040 , 1944362 , 3761345 , 35877108 , 93768193 , 335575614 , 544688380 , 9483189071 , 2698400449
n×2
145331722
n×3
217997583
n×4
290663444
n×5
363329305
n÷2
36332930.5
n÷3
24221953.666667
n÷3
18166465.25
n÷5
14533172.2
n2
5280327354871321
n3
3.8369953360358E+23
n4
2.7881856974602E+31
n5
2.0260591433383E+39
2 √n
8524.4273121424
3 √n
417.29528204335
4 √n
92.327825232388
5 √n
37.347891181229
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
-72665860
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 72665861 can be divided by 4 positive divisors.
The sum of these divisors (counting 72665861) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010101001100101100000101
3
Ternary
12001201210211012
4
Quaternary
10111030230011
5
Quinary
122100301421
6
Senary
11113252005
8
Octal
425145405
10
Decimal
72665861
12
Duodecimal
20404005
16
Hexadecimal
454cb05
20
Vigesimal
12e34d1
36
Base36
179hc5
md5
4188b78fee7ac251d04b27476e397a51
sha1
b72d4e91e23a2cf9c20954e4c3784db5087fc626
sha256
031959d207149d147b9f5e55b03a65ca1f0403e9ab4547f5475026b52f1c2041
sha512
daacebc8f34b8248a0f121725f359d4ebf1a375e9a394c2f535fb2ad971103120ec6c30530b668a8ef7d1257eb996a7f0120dee5f32360e9da90464ea1e88fce
ripemd-160
0fa835181e849d2e14b1fd9346dd7cdab785692f
Diameter
145331722
Circumference
456573070.16875
Area
1.6588637626613E+16
Volume
1.6072368479398E+24
Surface area
6.6354550506452E+16
Circumference
456573070.16875
Perimeter
290663444
Area
5280327354871321
Diagonal
102765046.14772
Surface area
31681964129227926
Volume
3.8369953360358E+23
Space diagonal
125860963.22774
Perimeter
217997583
Area
2.2864488148082E+15
Altitude
62930481.613869
Surface area
2.2864488148082E+15
Volume
4.5219423691534E+22
Height
34255015.382573