81884311 is an odd 8-digits composite number following 81884310
and preceding 81884312 . In scientific notation, it is written as 8.1884311 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 80339272 positive integers (up to 81884311) that are relatively prime to 81884311.
81884311 has 4 divisors, whose sum is 83429352
The reverse of 81884311 is 11348818
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million eight hundred eighty-four thousand three hundred eleven
Scientific notation
8.1884311 × 10^7
Engineering notation
8.1884311 × 10^6
Prime Factorization
53 × 1544987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81884311
Product of the distinct prime numbers
The prime factorization of 81884311 is 53 × 1544987.
Since it has a total of 2 prime factors.
8 , 7 , 20 , 61 , 875 , 689 , 5321 , 5873 , 48348 , 44315 , 306020 , 659640 , 882638 , 3000172 , 20727353 , 32751068 , 514114113 , 581346416 , 4354626231 , 1029576317
n×2
163768622
n×3
245652933
n×4
327537244
n×5
409421555
n÷2
40942155.5
n÷3
27294770.333333
n÷3
20471077.75
n÷5
16376862.2
n2
6705040387944721
n3
5.4903761239403E+23
n4
4.495756660397E+31
n5
3.6813193656027E+39
2 √n
9048.9950270734
3 √n
434.24373993006
4 √n
95.126205785122
5 √n
38.250766279324
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81884310
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81884311 can be divided by 4 positive divisors.
The sum of these divisors (counting 81884311) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000010111010010010111
3
Ternary
12201002011011021
4
Quaternary
10320113102113
5
Quinary
131430244221
6
Senary
12043022011
8
Octal
470272227
10
Decimal
81884311
12
Duodecimal
2350a907
16
Hexadecimal
4e17497
20
Vigesimal
15bfafb
36
Base36
1cr2c7
md5
9a973cb9d633621006898c218f2bd6f8
sha1
db3603c3e06788d9ba4b0252c866e61a20a38c0b
sha256
ed554f526314f1ab99074dee469a250378c3409122ab430115e4683ef073374d
sha512
313c388c207781536c1ff54600d59da04df3b39df6d54915fcde88de7a3bbad4c533b3bcc177ffeb456050cfb9eb662682ef0205552d0629d80825bbbd17a2cc
ripemd-160
cb7b5d2dc1ed42d19f4773df917d73b288fd19e9
Diameter
163768622
Circumference
514494299.76372
Area
2.106450562479E+16
Volume
2.2998033728554E+24
Surface area
8.425802249916E+16
Circumference
514494299.76372
Perimeter
327537244
Area
6705040387944721
Diagonal
115801903.16178
Surface area
40230242327668326
Volume
5.4903761239403E+23
Space diagonal
141827786.99477
Perimeter
245652933
Area
2.9033676546804E+15
Altitude
70913893.497386
Surface area
2.9033676546804E+15
Volume
6.4704703141715E+22
Height
38600634.387259