81884080 is an even 8-digits composite number following 81884079
and preceding 81884081 . In scientific notation, it is written as 8.1884080 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 32753600 positive integers (up to 81884080) that are relatively prime to 81884080.
81884080 has 20 divisors, whose sum is 190380672
The reverse of 81884080 is 08048818
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million eight hundred eighty-four thousand eighty
Scientific notation
8.1884080 × 10^7
Engineering notation
8.1884080 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1023551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10235510
Product of the distinct prime numbers
The prime factorization of 81884080 is 2 × 2 × 2 × 2 × 5 × 1023551.
Since it has a total of 6 prime factors.
6 , 5 , 28 , 99 , 162 , 665 , 3331 , 2366 , 23490 , 19459 , 513343 , 271716 , 4441294 , 9676157 , 10272386 , 4471024 , 676055518 , 748638959 , 1886212535 , 9470003937
n×2
163768160
n×3
245652240
n×4
327536320
n×5
409420400
n÷2
40942040
n÷3
27294693.333333
n÷3
20471020
n÷5
16376816
n2
6705002557446400
n3
5.4903296581415E+23
n4
4.4957059295363E+31
n5
3.6812674399062E+39
2 √n
9048.9822632161
3 √n
434.24333158811
4 √n
95.126138696029
5 √n
38.25074469781
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1023551 , 2047102 , 4094204 , 5117755 , 8188408 , 10235510 , 16376816 , 20471020 , 40942040 , 81884080
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81884079
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81884080 can be divided by 20 positive divisors.
The sum of these divisors (counting 81884080) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111000010111001110110000
3
Ternary
12201002010211201
4
Quaternary
10320113032300
5
Quinary
131430242310
6
Senary
12043020544
8
Octal
470271660
10
Decimal
81884080
12
Duodecimal
2350a754
16
Hexadecimal
4e173b0
20
Vigesimal
15bfa40
36
Base36
1cr25s
md5
82e1beb51f44599119fe9a5ecb9ea082
sha1
593762f109e3d106e1b1c745549d3419e56b5232
sha256
2568f290f04dcc4a98e87abf0b60eb9784fa0f81d68e565df5b1727cae469d6d
sha512
f5b45694e55a36f1ae8c7f46a0c98b68e53c5fe323c56f7aeb1eee284876f005e1fe8347db8ae012b08fb3fb778e98640e2e7d151b1c4fc262d51c1c84072c32
ripemd-160
f30727498f54a0ee19956062e0b945d85af89b8b
Diameter
163768160
Circumference
514492848.34792
Area
2.1064386776774E+16
Volume
2.2997839093071E+24
Surface area
8.4257547107098E+16
Circumference
514492848.34792
Perimeter
327536320
Area
6705002557446400
Diagonal
115801576.47844
Surface area
40230015344678400
Volume
5.4903296581415E+23
Space diagonal
141827386.89103
Perimeter
245652240
Area
2.9033512735941E+15
Altitude
70913693.445517
Surface area
2.9033512735941E+15
Volume
6.4704155537024E+22
Height
38600525.492815