72861809 is an odd 8-digits prime number following 72861808
and preceding 72861810 . In scientific notation, it is written as 7.2861809 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 72861808 positive integers (up to 72861809) that are relatively prime to 72861809.
72861809 has 2 divisors, whose sum is 72861810
The reverse of 72861809 is 90816827
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-two million eight hundred sixty-one thousand eight hundred nine
Scientific notation
7.2861809 × 10^7
Engineering notation
7.2861809 × 10^6
Prime Factorization
72861809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72861809
Product of the distinct prime numbers
The prime factorization of 72861809 is 72861809.
Since it has a total of 1 prime factors.
10 , 10 , 49 , 34 , 457 , 424 , 1895 , 4965 , 14265 , 89681 , 442119 , 611349 , 3731745 , 601541 , 12755540 , 13807903 , 872299556 , 738035020 , 7538014921 , 7804659326
n×2
145723618
n×3
218585427
n×4
291447236
n×5
364309045
n÷2
36430904.5
n÷3
24287269.666667
n÷3
18215452.25
n÷5
14572361.8
n2
5308843210752481
n3
3.8681192003279E+23
n4
2.8183816236353E+31
n5
2.0535238355042E+39
2 √n
8535.9128978686
3 √n
417.67003293305
4 √n
92.390004317938
5 √n
37.36801167134
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72861810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36430905
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8535.9129564447
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999725508
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72861809 can be divided by 2 positive divisors.
The sum of these divisors (counting 72861809) is 72861810, the average is 36430905.
Base
System
Value
2
Binary
100010101111100100001110001
3
Ternary
12002002202121112
4
Quaternary
10111330201301
5
Quinary
122123034214
6
Senary
11121403105
8
Octal
425744161
10
Decimal
72861809
12
Duodecimal
20499495
16
Hexadecimal
457c871
20
Vigesimal
12f7ea9
36
Base36
17doj5
md5
7109cd2fc4946dcdba6e6302c92f7df9
sha1
ed8d04ccf3ddd5abc056961cab894e22e8b583d5
sha256
6105ed997eb6da9925e08a5ea9324cdfee95fb9157dd2e297db08e52db110497
sha512
0a6b649f420551a1dc4515bf4bf58a538f9d3c04f141b8492aecd4961aabb2b75f8611baff1b51d79ec7de28c63b3c762d067e57c94f2a2a145e3cf67c9d823b
ripemd-160
7a1e44e97062cdd0b08043d38876c46c8c6dc12a
Diameter
145723618
Circumference
457804247.76333
Area
1.667822282996E+16
Volume
1.620273981728E+24
Surface area
6.671289131984E+16
Circumference
457804247.76333
Perimeter
291447236
Area
5308843210752481
Diagonal
103042158.46684
Surface area
31853059264514886
Volume
3.8681192003279E+23
Space diagonal
126200355.11938
Perimeter
218585427
Area
2.2987965426101E+15
Altitude
63100177.55969
Surface area
2.2987965426101E+15
Volume
4.558622194983E+22
Height
34347386.155613