81330267 is an odd 8-digits composite number following 81330266
and preceding 81330268 . In scientific notation, it is written as 8.1330267 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 52260000 positive integers (up to 81330267) that are relatively prime to 81330267.
81330267 has 16 divisors, whose sum is 112389120
The reverse of 81330267 is 76203318
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million three hundred thirty thousand two hundred sixty-seven
Scientific notation
8.1330267 × 10^7
Engineering notation
8.1330267 × 10^6
Prime Factorization
3 × 31 × 269 × 3251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81330267
Product of the distinct prime numbers
The prime factorization of 81330267 is 3 × 31 × 269 × 3251.
Since it has a total of 4 prime factors.
4 , 2 , 81 , 98 , 547 , 820 , 991 , 2465 , 56878 , 709 , 960638 , 555766 , 1534310 , 4444461 , 477481 , 99959572 , 684295401 , 791471655 , 221078488 , 2850173825
n×2
162660534
n×3
243990801
n×4
325321068
n×5
406651335
n÷2
40665133.5
n÷3
27110089
n÷3
20332566.75
n÷5
16266053.4
n2
6614612330291289
n3
5.3796818692408E+23
n4
4.3753096280042E+31
n5
3.5584510025325E+39
2 √n
9018.3295016317
3 √n
433.26213222004
4 √n
94.964885624275
5 √n
38.198863299485
1 , 3 , 31 , 93 , 269 , 807 , 3251 , 8339 , 9753 , 25017 , 100781 , 302343 , 874519 , 2623557 , 27110089 , 81330267
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
-81330266
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 81330267 can be divided by 16 positive divisors.
The sum of these divisors (counting 81330267) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010000000001011011
3
Ternary
12200001000011010
4
Quaternary
10312100001123
5
Quinary
131310032032
6
Senary
12023105003
8
Octal
466200133
10
Decimal
81330267
12
Duodecimal
232a2163
16
Hexadecimal
4d9005b
20
Vigesimal
15865d7
36
Base36
1cf6u3
md5
30d5c58c41797e30dad0900f0f25045d
sha1
5114fe22c0f96df331aff450664445267fc6343a
sha256
2027767c24e4c9d780ec55bd96c30f61913d92f80abbde95188f68a5946ecf47
sha512
075e318520ec860f561bbfef5c3e4dc05f62eb53c16daabe1d1b183c16048705439d1df908691b9583a6d09f1373ac1a42e704aa43e21f51c1fa962e15bf1f6a
ripemd-160
4d34ba5062643c6d7c95fb33c61758fdc157f732
Diameter
162660534
Circumference
511013138.64339
Area
2.0780417503188E+16
Volume
2.2534358718743E+24
Surface area
8.312167001275E+16
Circumference
511013138.64339
Perimeter
325321068
Area
6614612330291289
Diagonal
115018366.62282
Surface area
39687673981747734
Volume
5.3796818692408E+23
Space diagonal
140868154.63714
Perimeter
243990801
Area
2.864211157109E+15
Altitude
70434077.318571
Surface area
2.864211157109E+15
Volume
6.3400158839442E+22
Height
38339455.540942