81124558 is an even 8-digits composite number following 81124557
and preceding 81124559 . In scientific notation, it is written as 8.1124558 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 40190040 positive integers (up to 81124558) that are relatively prime to 81124558.
81124558 has 8 divisors, whose sum is 122803560
The reverse of 81124558 is 85542118
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million one hundred twenty-four thousand five hundred fifty-eight
Scientific notation
8.1124558 × 10^7
Engineering notation
8.1124558 × 10^6
Prime Factorization
2 × 109 × 372131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81124558
Product of the distinct prime numbers
The prime factorization of 81124558 is 2 × 109 × 372131.
Since it has a total of 3 prime factors.
4 , 10 , 79 , 22 , 739 , 571 , 1841 , 504 , 86777 , 60294 , 922030 , 611246 , 7363446 , 6096390 , 91581193 , 5495975 , 970205623 , 193920090 , 6043793691 , 3129917227
n×2
162249116
n×3
243373674
n×4
324498232
n×5
405622790
n÷2
40562279
n÷3
27041519.333333
n÷3
20281139.5
n÷5
16224911.6
n2
6581193910695364
n3
5.3389644711745E+23
n4
4.3312113290174E+31
n5
3.5136760467113E+39
2 √n
9006.9172306622
3 √n
432.89653987988
4 √n
94.904779809355
5 √n
38.179520409551
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81124557
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81124558 can be divided by 8 positive divisors.
The sum of these divisors (counting 81124558) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101110011001110
3
Ternary
12122122112222021
4
Quaternary
10311131303032
5
Quinary
131231441213
6
Senary
12014440354
8
Octal
465356316
10
Decimal
81124558
12
Duodecimal
232030ba
16
Hexadecimal
4d5dcce
20
Vigesimal
1570b7i
36
Base36
1cas3y
md5
b76556a754c9ba5f93bb9262a096d41f
sha1
0f34eeecf3069f73cfb5d760ef8023964896c25d
sha256
5a949cfba68fc934ac040060bf5ccf9e512f30afb5c855aae2dd6a18bd97ba0a
sha512
8b612ea8be65625dac26d7409ea1f5461017e711de9179ab883937bd617de0b4fdd63e04c7ecb17b6cd3599ff14223669dbf657faf74015217609b0fd74cb629
ripemd-160
894aa9d16dc5d0a16db64693c51a457c50f367e3
Diameter
162249116
Circumference
509720630.87704
Area
2.067543044169E+16
Volume
2.2363802080558E+24
Surface area
8.2701721766762E+16
Circumference
509720630.87704
Perimeter
324498232
Area
6581193910695364
Diagonal
114727450.16512
Surface area
39487163464172184
Volume
5.3389644711745E+23
Space diagonal
140511856.19757
Perimeter
243373674
Area
2.8497405569468E+15
Altitude
70255928.098784
Surface area
2.8497405569468E+15
Volume
6.2920299701359E+22
Height
38242483.388374