81182261 is an odd 8-digits prime number following 81182260
and preceding 81182262 . In scientific notation, it is written as 8.1182261 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 81182260 positive integers (up to 81182261) that are relatively prime to 81182261.
81182261 has 2 divisors, whose sum is 81182262
The reverse of 81182261 is 16228118
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million one hundred eighty-two thousand two hundred sixty-one
Scientific notation
8.1182261 × 10^7
Engineering notation
8.1182261 × 10^6
Prime Factorization
81182261
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81182261
Product of the distinct prime numbers
The prime factorization of 81182261 is 81182261.
Since it has a total of 1 prime factors.
8 , 9 , 38 , 6 , 587 , 7 , 5772 , 834 , 29952 , 84604 , 239283 , 958122 , 2603883 , 5350460 , 13469565 , 35435892 , 770126199 , 959029191 , 462710140 , 904629463
n×2
162364522
n×3
243546783
n×4
324729044
n×5
405911305
n÷2
40591130.5
n÷3
27060753.666667
n÷3
20295565.25
n÷5
16236452.2
n2
6590559501072121
n3
5.3503652155207E+23
n4
4.3435474537172E+31
n5
3.5261900305356E+39
2 √n
9010.1199215105
3 √n
432.99915372648
4 √n
94.921651489586
5 √n
38.18495019895
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81182262
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40591131
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9010.1199770036
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753641
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81182261 can be divided by 2 positive divisors.
The sum of these divisors (counting 81182261) is 81182262, the average is 40591131.
Base
System
Value
2
Binary
100110101101011111000110101
3
Ternary
12122202111010102
4
Quaternary
10311223320311
5
Quinary
131240313021
6
Senary
12020003445
8
Octal
465537065
10
Decimal
81182261
12
Duodecimal
23230585
16
Hexadecimal
4d6be35
20
Vigesimal
1577fd1
36
Base36
1cc0mt
md5
be8b12f07b5fc7193cae74e6a1e61a37
sha1
5ac5096869e287beaa99366ebb1574d7f42e3a0d
sha256
7fd59e68a35b288471479fc56ec144634b9343151342aee0c41e792a027d88a0
sha512
1ad0eb2c583c9d4fc0857e8beacc5d768026f2d3493dc48c9b1445664c4190705cf0141b5de3138d908ed605788656a8ba331c9b69e8843e5fe16dc27bcfb438
ripemd-160
ed67d0309c8954a3d140d12f9814d38dd4d1b6fd
Diameter
162364522
Circumference
510083189.51882
Area
2.0704853311615E+16
Volume
2.2411557406803E+24
Surface area
8.2819413246458E+16
Circumference
510083189.51882
Perimeter
324729044
Area
6590559501072121
Diagonal
114809054.53031
Surface area
39543357006432726
Volume
5.3503652155207E+23
Space diagonal
140611800.72532
Perimeter
243546783
Area
2.8537959765407E+15
Altitude
70305900.362659
Surface area
2.8537959765407E+15
Volume
6.3054658761988E+22
Height
38269684.843437