72861491 is an odd 8-digits prime number following 72861490
and preceding 72861492 . In scientific notation, it is written as 7.2861491 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 72861490 positive integers (up to 72861491) that are relatively prime to 72861491.
72861491 has 2 divisors, whose sum is 72861492
The reverse of 72861491 is 19416827
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
seventy-two million eight hundred sixty-one thousand four hundred ninety-one
Scientific notation
7.2861491 × 10^7
Engineering notation
7.2861491 × 10^6
Prime Factorization
72861491
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72861491 Product of the distinct prime numbers
The prime factorization of 72861491 is 72861491.
Since it has a total of 1 prime factors.
8 , 1 , 55 , 68 , 666 , 167 , 8924 , 427 , 67928 , 82927 , 177036 , 970060 , 2621695 , 2818811 , 5920026 , 75716698 , 784434026 , 75711278 , 4007179362 , 3033137284
n×2
145722982
n×3
218584473
n×4
291445964
n×5
364307455
n÷2
36430745.5
n÷3
24287163.666667
n÷3
18215372.75
n÷5
14572298.2
n2
5308796870743081
n3
3.8680685541848E+23
n4
2.8183324214812E+31
n5
2.0534790236276E+39
2 √n8535.8942706667
3 √n417.66942530213
4 √n92.389903510431
5 √n37.367979053296
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72861492 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36430746 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8535.8943292428 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999725507 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72861491 can be divided by 2 positive divisors.
The sum of these divisors (counting 72861491) is 72861492, the average is 36430746.
Base
System
Value
2
Binary
100010101111100011100110011
3
Ternary
12002002202011202
4
Quaternary
10111330130303
5
Quinary
122123031431
6
Senary
11121401415
8
Octal
425743463
10
Decimal
72861491
12
Duodecimal
2049926b
16
Hexadecimal
457c733
20
Vigesimal
12f7deb
36
Base36
17doab
md5
41ba15182497d2283baa2695bedeccff
sha1
961bdf0090c67dcdce95d2c6228f63e9ef5ab9a4
sha256
1f927ae1a2e441412df17ae2d0f6607ece97f2f0cfcc1849818aa14de8c1afb9
sha512
1b714b77baa98aca9071447a034ea34ed16d115122dbd2041511cf194a1d2b2dd5ce5a0fd8be8a4bda1438c6af769a435b6b089ee5b6f325f0c5d3f9d9fd5616
ripemd-160
3c9efc4aaeeb462d3b77e5712a2003818ec0b870
Diameter
145722982
Circumference
457802249.7104
Area
1.6678077248527E+16
Volume
1.6202527671211E+24
Surface area
6.6712308994108E+16
Circumference
457802249.7104
Perimeter
291445964
Area
5308796870743081
Diagonal
103041708.74693
Surface area
31852781224458486
Volume
3.8680685541848E+23
Space diagonal
126199804.32722
Perimeter
218584473
Area
2.2987764767974E+15
Altitude
63099902.163611
Surface area
2.2987764767974E+15
Volume
4.5585625079308E+22
Height
34347236.248975