81708049 is an odd 8-digits composite number following 81708048
and preceding 81708050 . In scientific notation, it is written as 8.1708049 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 81598500 positive integers (up to 81708049) that are relatively prime to 81708049.
81708049 has 4 divisors, whose sum is 81817600
The reverse of 81708049 is 94080718
Previous prime number is 751
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million seven hundred eight thousand forty-nine
Scientific notation
8.1708049 × 10^7
Engineering notation
8.1708049 × 10^6
Prime Factorization
751 × 108799
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81708049
Product of the distinct prime numbers
The prime factorization of 81708049 is 751 × 108799.
Since it has a total of 2 prime factors.
8 , 8 , 36 , 8 , 715 , 935 , 7299 , 1897 , 67216 , 58035 , 91037 , 239959 , 2756990 , 9809240 , 8128463 , 42870066 , 990801734 , 497348931 , 1559525222 , 2210371192
n×2
163416098
n×3
245124147
n×4
326832196
n×5
408540245
n÷2
40854024.5
n÷3
27236016.333333
n÷3
20427012.25
n÷5
16341609.8
n2
6676205271386401
n3
5.454997074485E+23
n4
4.4571716825688E+31
n5
3.6418680224074E+39
2 √n
9039.2504667146
3 √n
433.93193556962
4 √n
95.074972872542
5 √n
38.234284564603
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
-81708048
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 81708049 can be divided by 4 positive divisors.
The sum of these divisors (counting 81708049) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111101100010000010001
3
Ternary
12200202012101001
4
Quaternary
10313230100101
5
Quinary
131404124144
6
Senary
12035142001
8
Octal
467542021
10
Decimal
81708049
12
Duodecimal
23444901
16
Hexadecimal
4dec411
20
Vigesimal
15ada29
36
Base36
1cnac1
md5
e84c80560410d2b1abd3e88fab41c027
sha1
fbc0cb09296271211c0058ecbc07bed9f97ac40b
sha256
60d8059a33987b3f59a7779e8fceba31b2948c3570e24685bbcc06128cf31ba3
sha512
c59c14b70b23f7153f64d8a8bab53990c1242531b724622dd7476d74a048ebca8433cc1660e24ea9e1c9c8b93efcbd4bc26a8f8428247fbeb97d98b872179fe9
ripemd-160
4bbb1ce5f5bc36e6db48a5339cd25781eedb1d33
Diameter
163416098
Circumference
513386812.95511
Area
2.0973917434445E+16
Volume
2.2849838312741E+24
Surface area
8.389566973778E+16
Circumference
513386812.95511
Perimeter
326832196
Area
6676205271386401
Diagonal
115552631.05085
Surface area
40057231628318406
Volume
5.454997074485E+23
Space diagonal
141522492.25533
Perimeter
245124147
Area
2.8908816829501E+15
Altitude
70761246.127664
Surface area
2.8908816829501E+15
Volume
6.4287757045352E+22
Height
38517543.683615