72891806 is an even 8-digits composite number following 72891805
and preceding 72891807 . In scientific notation, it is written as 7.2891806 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 33384000 positive integers (up to 72891806) that are relatively prime to 72891806.
72891806 has 16 divisors, whose sum is 118652688
The reverse of 72891806 is 60819827
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-two million eight hundred ninety-one thousand eight hundred six
Scientific notation
7.2891806 × 10^7
Engineering notation
7.2891806 × 10^6
Prime Factorization
2 × 13 × 131 × 21401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72891806
Product of the distinct prime numbers
The prime factorization of 72891806 is 2 × 13 × 131 × 21401.
Since it has a total of 4 prime factors.
1 , 5 , 19 , 18 , 936 , 620 , 4550 , 4068 , 87152 , 99841 , 990709 , 993895 , 4281246 , 5912502 , 13856036 , 56338207 , 329600261 , 846552947 , 2555025692 , 662074431
n×2
145783612
n×3
218675418
n×4
291567224
n×5
364459030
n÷2
36445903
n÷3
24297268.666667
n÷3
18222951.5
n÷5
14578361.2
n2
5313215381941636
n3
3.8728986485671E+23
n4
2.8230257694901E+31
n5
2.0577544672267E+39
2 √n
8537.6698226155
3 √n
417.72734292475
4 √n
92.399512025852
5 √n
37.371088025644
1 , 2 , 13 , 26 , 131 , 262 , 1703 , 3406 , 21401 , 42802 , 278213 , 556426 , 2803531 , 5607062 , 36445903 , 72891806
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
-72891805
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 72891806 can be divided by 16 positive divisors.
The sum of these divisors (counting 72891806) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010110000011110110011110
3
Ternary
12002011021202112
4
Quaternary
10112003312132
5
Quinary
122130014211
6
Senary
11122154022
8
Octal
426036636
10
Decimal
72891806
12
Duodecimal
204b2912
16
Hexadecimal
4583d9e
20
Vigesimal
12fb9a6
36
Base36
17eboe
md5
9ab7a7903580f48dc2bce5281cf193bf
sha1
3d013f8d2eb516d0286a8f825bb9e08b1299e5c9
sha256
3ea2a975a6564a5bd09f18ff70332f6dd2db1186613569d99af384657d21ec01
sha512
7ef1f56e7f4a15ed29d39f60ea96e23973d821147d80a98485c8f0968af4c9d2afe4f5f86fc7d40807ccfad21756b91d07f6216351ae496bbbf9e618dc5ee76a
ripemd-160
b2be3acb843eaf16e41e7faac7c68d462585080e
Diameter
145783612
Circumference
457992724.47298
Area
1.6691958410848E+16
Volume
1.6222759923248E+24
Surface area
6.6767833643393E+16
Circumference
457992724.47298
Perimeter
291567224
Area
5313215381941636
Diagonal
103084580.63107
Surface area
31879292291649816
Volume
3.8728986485671E+23
Space diagonal
126252311.44745
Perimeter
218675418
Area
2.3006897482698E+15
Altitude
63126155.723727
Surface area
2.3006897482698E+15
Volume
4.56425482875E+22
Height
34361526.877023