72861805 is an odd 8-digits composite number following 72861804
and preceding 72861806 . In scientific notation, it is written as 7.2861805 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 57829968 positive integers (up to 72861805) that are relatively prime to 72861805.
72861805 has 8 divisors, whose sum is 88123392
The reverse of 72861805 is 50816827
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million eight hundred sixty-one thousand eight hundred five
Scientific notation
7.2861805 × 10^7
Engineering notation
7.2861805 × 10^6
Prime Factorization
5 × 127 × 114743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72861805
Product of the distinct prime numbers
The prime factorization of 72861805 is 5 × 127 × 114743.
Since it has a total of 3 prime factors.
10 , 2 , 12 , 43 , 370 , 846 , 467 , 6668 , 98163 , 49275 , 830646 , 439742 , 4768645 , 2774828 , 78780903 , 28086889 , 993954926 , 845114194 , 9186719730 , 2126304330
n×2
145723610
n×3
218585415
n×4
291447220
n×5
364309025
n÷2
36430902.5
n÷3
24287268.333333
n÷3
18215451.25
n÷5
14572361
n2
5308842627858025
n3
3.8681185632668E+23
n4
2.8183810047362E+31
n5
2.053523271828E+39
2 √n
8535.9126635645
3 √n
417.6700252899
4 √n
92.390003049921
5 √n
37.368011261051
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72861804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72861805 can be divided by 8 positive divisors.
The sum of these divisors (counting 72861805) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101111100100001101101
3
Ternary
12002002202121101
4
Quaternary
10111330201231
5
Quinary
122123034210
6
Senary
11121403101
8
Octal
425744155
10
Decimal
72861805
12
Duodecimal
20499491
16
Hexadecimal
457c86d
20
Vigesimal
12f7ea5
36
Base36
17doj1
md5
edf8fa3818d6f680d6af99753ba2dcf9
sha1
6c3591bf94a54f59b59f3e2a9be8dc135e048dfa
sha256
8c65f479048ee813ec04a2da36714f1b20b5000b2c9536f3fc25ba6ed5c29489
sha512
0459e4f45f6750703f7344556d8cb3c57ae9e07fe6e4bb0a0e9ef40d6fcb21155fed556043556221437cd589851c09202c3850e4036a0b02cee0061f5ccb5bed
ripemd-160
91c65cbe7e3b74b92ca02042d2af9f76f4f9dc7e
Diameter
145723610
Circumference
457804222.63058
Area
1.6678220998743E+16
Volume
1.6202737148764E+24
Surface area
6.6712883994972E+16
Circumference
457804222.63058
Perimeter
291447220
Area
5308842627858025
Diagonal
103042152.80998
Surface area
31853055767148150
Volume
3.8681185632668E+23
Space diagonal
126200348.19118
Perimeter
218585415
Area
2.2987962902094E+15
Altitude
63100174.095588
Surface area
2.2987962902094E+15
Volume
4.5586214441992E+22
Height
34347384.269995