81124799 is an odd 8-digits composite number following 81124798
and preceding 81124800 . In scientific notation, it is written as 8.1124799 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 63331200 positive integers (up to 81124799) that are relatively prime to 81124799.
81124799 has 8 divisors, whose sum is 84449280
The reverse of 81124799 is 99742118
Previous prime number is 119
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million one hundred twenty-four thousand seven hundred ninety-nine
Scientific notation
8.1124799 × 10^7
Engineering notation
8.1124799 × 10^6
Prime Factorization
31 × 119 × 21991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81124799
Product of the distinct prime numbers
The prime factorization of 81124799 is 31 × 119 × 21991.
Since it has a total of 3 prime factors.
5 , 3 , 63 , 90 , 225 , 175 , 3266 , 1964 , 11089 , 23860 , 788487 , 768510 , 5441023 , 4793626 , 8086319 , 10491295 , 371436202 , 443015833 , 8510710306 , 4609162561
n×2
162249598
n×3
243374397
n×4
324499196
n×5
405623995
n÷2
40562399.5
n÷3
27041599.666667
n÷3
20281199.75
n÷5
16224959.8
n2
6581233012790401
n3
5.3390120533479E+23
n4
4.3312627968642E+31
n5
3.5137282381179E+39
2 √n
9006.9306092586
3 √n
432.89696855386
4 √n
94.904850293642
5 √n
38.179543093813
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
-81124798
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 81124799 can be divided by 8 positive divisors.
The sum of these divisors (counting 81124799) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101110110111111
3
Ternary
12122122120022012
4
Quaternary
10311131312333
5
Quinary
131231443144
6
Senary
12014441435
8
Octal
465356677
10
Decimal
81124799
12
Duodecimal
2320327b
16
Hexadecimal
4d5ddbf
20
Vigesimal
1570bjj
36
Base36
1casan
md5
6e5067788d56d56222f3fae722a827c0
sha1
a3174e798523592d53d536a9ddac779acb6350e4
sha256
ed64fc2f62d070a6c9c102978c89fff607a28d69c34ce5da8d90e7a2725983e4
sha512
eb80175bf3faaacc1987a44c95cede1597604f78207832d7ff4f28d889b07b7fe46de924e0f1cd08ffc314cfe1919065558c8c8277af31508bae7f5fabe1c538
ripemd-160
63d42a0256efcfa85096fcf7dd1ea445c64b927d
Diameter
162249598
Circumference
509722145.1247
Area
2.0675553284545E+16
Volume
2.23640013923E+24
Surface area
8.270221313818E+16
Circumference
509722145.1247
Perimeter
324499196
Area
6581233012790401
Diagonal
114727790.99059
Surface area
39487398076742406
Volume
5.3390120533479E+23
Space diagonal
140512273.62181
Perimeter
243374397
Area
2.8497574886506E+15
Altitude
70256136.810906
Surface area
2.8497574886506E+15
Volume
6.292086046265E+22
Height
38242596.996864