72861208 is an even 8-digits composite number following 72861207
and preceding 72861209 . In scientific notation, it is written as 7.2861208 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors.
There are 31157280 positive integers (up to 72861208) that are relatively prime to 72861208.
72861208 has 32 divisors, whose sum is 156476160
The reverse of 72861208 is 80216827
Previous prime number is 563
Is Prime? no Number parity even Number length 8 Sum of Digits 34 Digital Root 7
Name
seventy-two million eight hundred sixty-one thousand two hundred eight
Scientific notation
7.2861208 × 10^7
Engineering notation
7.2861208 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 563 × 2311
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
18215302 Product of the distinct prime numbers
The prime factorization of 72861208 is 2 × 2 × 2 × 7 × 563 × 2311.
Since it has a total of 6 prime factors.
1 , 2 , 63 , 9 , 412 , 82 , 5884 , 8626 , 94878 , 74825 , 312622 , 620969 , 3962044 , 7247444 , 73133296 , 55979425 , 930131194 , 558223824 , 8011174313 , 8115029347
n×2
145722416
n×3
218583624
n×4
291444832
n×5
364306040
n÷2
36430604
n÷3
24287069.333333
n÷3
18215302
n÷5
14572241.6
n2
5308755631219264
n3
3.8680234826744E+23
n4
2.8182886352002E+31
n5
2.0534391445336E+39
2 √n8535.8776935943
3 √n417.66888454734
4 √n92.389813797811
5 √n37.367950025193
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 563 , 1126 , 2252 , 2311 , 3941 , 4504 , 4622 , 7882 , 9244 , 15764 , 16177 , 18488 , 31528 , 32354 , 64708 , 129416 , 1301093 , 2602186 , 5204372 , 9107651 , 10408744 , 18215302 , 36430604 , 72861208
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-72861207 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72861208 can be divided by 32 positive divisors.
The sum of these divisors (counting 72861208) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010101111100011000011000
3
Ternary
12002002201210021
4
Quaternary
10111330120120
5
Quinary
122123024313
6
Senary
11121400224
8
Octal
425743030
10
Decimal
72861208
12
Duodecimal
20499074
16
Hexadecimal
457c618
20
Vigesimal
12f7d08
36
Base36
17do2g
md5
9ae15463b76451b9e8547da0fb0b950a
sha1
5c712b504cc143b2b00ce5f15beb256033a5d225
sha256
bbb73d04c64e12697bee4e4ede74a3938f4f1d0582f2ed341e37e60f80b85d19
sha512
0892597a3e3f9f1ceaf8a6ffa20dbbb8bbd95a933904bd3f57a25adb4922b345164914e88bf79160a215f25b630d1ce956bd5817faa1245a7bd639e699fa9458
ripemd-160
9be1d2054a10df41f047fe3d95dd6d216ab9188c
Diameter
145722416
Circumference
457800471.56896
Area
1.6677947690742E+16
Volume
1.620233887611E+24
Surface area
6.6711790762968E+16
Circumference
457800471.56896
Perimeter
291444832
Area
5308755631219264
Diagonal
103041308.52449
Surface area
31852533787315584
Volume
3.8680234826744E+23
Space diagonal
126199314.15684
Perimeter
218583624
Area
2.2987586195598E+15
Altitude
63099657.078422
Surface area
2.2987586195598E+15
Volume
4.5585093906464E+22
Height
34347102.841496