81124294 is an even 8-digits composite number following 81124293
and preceding 81124295 . In scientific notation, it is written as 8.1124294 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 40562146 positive integers (up to 81124294) that are relatively prime to 81124294.
81124294 has 4 divisors, whose sum is 121686444
The reverse of 81124294 is 49242118
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million one hundred twenty-four thousand two hundred ninety-four
Scientific notation
8.1124294 × 10^7
Engineering notation
8.1124294 × 10^6
Prime Factorization
2 × 40562147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81124294
Product of the distinct prime numbers
The prime factorization of 81124294 is 2 × 40562147.
Since it has a total of 2 prime factors.
1 , 2 , 51 , 20 , 719 , 759 , 8598 , 4104 , 12758 , 93601 , 491566 , 903776 , 8682555 , 6899547 , 64581140 , 69137185 , 326226141 , 746080277 , 2603983764 , 9566563095
n×2
162248588
n×3
243372882
n×4
324497176
n×5
405621470
n÷2
40562147
n÷3
27041431.333333
n÷3
20281073.5
n÷5
16224858.8
n2
6581151076998436
n3
5.3389123482884E+23
n4
4.3311549498278E+31
n5
3.5136188750938E+39
2 √n
9006.9025752475
3 √n
432.89607029412
4 √n
94.904702598172
5 √n
38.179495560339
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
-81124293
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 81124294 can be divided by 4 positive divisors.
The sum of these divisors (counting 81124294) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011101101111000110
3
Ternary
12122122112121111
4
Quaternary
10311131233012
5
Quinary
131231434134
6
Senary
12014435234
8
Octal
465355706
10
Decimal
81124294
12
Duodecimal
23202b1a
16
Hexadecimal
4d5dbc6
20
Vigesimal
1570aee
36
Base36
1carwm
md5
54b820b5f4075ebf6bbeb46f0dd7fb52
sha1
8a4390a326d89e7e469550430423c0eec78271ba
sha256
fe8c57c99e0247225a83265f65ad4754177b8570d5e860150cd8d0b034738618
sha512
4272a659fadff5c09a2ade21d1243a45784364145c8fe6f8e3e7fff2464e00c87b22be3128d42b2c0bec1609e08c6b59e147a5a7c375c163099977d173abba54
ripemd-160
bf09919ae12df85ae5787a0a7cd3235db5931771
Diameter
162248588
Circumference
509718972.11612
Area
2.0675295875663E+16
Volume
2.2363583748723E+24
Surface area
8.2701183502651E+16
Circumference
509718972.11612
Perimeter
324497176
Area
6581151076998436
Diagonal
114727076.81274
Surface area
39486906461990616
Volume
5.3389123482884E+23
Space diagonal
140511398.93616
Perimeter
243372882
Area
2.849722009412E+15
Altitude
70255699.468078
Surface area
2.849722009412E+15
Volume
6.2919685427255E+22
Height
38242358.937581