72861806 is an even 8-digits composite number following 72861805
and preceding 72861807 . In scientific notation, it is written as 7.2861806 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 35182656 positive integers (up to 72861806) that are relatively prime to 72861806.
72861806 has 16 divisors, whose sum is 113081616
The reverse of 72861806 is 60816827
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million eight hundred sixty-one thousand eight hundred six
Scientific notation
7.2861806 × 10^7
Engineering notation
7.2861806 × 10^6
Prime Factorization
2 × 37 × 137 × 7187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72861806
Product of the distinct prime numbers
The prime factorization of 72861806 is 2 × 37 × 137 × 7187.
Since it has a total of 4 prime factors.
9 , 9 , 89 , 44 , 979 , 838 , 6510 , 8124 , 67195 , 40990 , 962256 , 358146 , 5021235 , 7537904 , 25629842 , 82077198 , 703415618 , 794523727 , 1287116537 , 7436368285
n×2
145723612
n×3
218585418
n×4
291447224
n×5
364309030
n÷2
36430903
n÷3
24287268.666667
n÷3
18215451.5
n÷5
14572361.2
n2
5308842773581636
n3
3.8681187225321E+23
n4
2.818381159461E+31
n5
2.053523412747E+39
2 √n
8535.9127221405
3 √n
417.67002720069
4 √n
92.390003366925
5 √n
37.368011363623
1 , 2 , 37 , 74 , 137 , 274 , 5069 , 7187 , 10138 , 14374 , 265919 , 531838 , 984619 , 1969238 , 36430903 , 72861806
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72861805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72861806 can be divided by 16 positive divisors.
The sum of these divisors (counting 72861806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101111100100001101110
3
Ternary
12002002202121102
4
Quaternary
10111330201232
5
Quinary
122123034211
6
Senary
11121403102
8
Octal
425744156
10
Decimal
72861806
12
Duodecimal
20499492
16
Hexadecimal
457c86e
20
Vigesimal
12f7ea6
36
Base36
17doj2
md5
e610b17e16e1352fdde290b2754079c7
sha1
f2fe9e9bd3e57599a012c642ba9769e88b30a798
sha256
babc230d3ff84fd19e29c22d138853ceaa9b0644799c25e25e8798480b7bd5e2
sha512
da15caacf377f60b3ae4d4bdc66e5b20abdee17a0876865980fc88dde2c7f5f8948db921e53e166c6f98343cfe28a0e9d33f28284b2297ffdd705932952978e7
ripemd-160
0784d55a9d4ddff8877f5b84b4692e79bec9c43e
Diameter
145723612
Circumference
457804228.91377
Area
1.6678221456547E+16
Volume
1.6202737815893E+24
Surface area
6.6712885826189E+16
Circumference
457804228.91377
Perimeter
291447224
Area
5308842773581636
Diagonal
103042154.2242
Surface area
31853056641489816
Volume
3.8681187225321E+23
Space diagonal
126200349.92323
Perimeter
218585418
Area
2.2987963533096E+15
Altitude
63100174.961613
Surface area
2.2987963533096E+15
Volume
4.5586216318951E+22
Height
34347384.741399