81707039 is an odd 8-digits composite number following 81707038
and preceding 81707040 . In scientific notation, it is written as 8.1707039 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 81186456 positive integers (up to 81707039) that are relatively prime to 81707039.
81707039 has 4 divisors, whose sum is 82227624
The reverse of 81707039 is 93070718
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seven hundred seven thousand thirty-nine
Scientific notation
8.1707039 × 10^7
Engineering notation
8.1707039 × 10^6
Prime Factorization
157 × 520427
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81707039
Product of the distinct prime numbers
The prime factorization of 81707039 is 157 × 520427.
Since it has a total of 2 prime factors.
8 , 3 , 8 , 22 , 119 , 756 , 8190 , 2378 , 48643 , 33695 , 249570 , 535596 , 2880698 , 6599644 , 46748253 , 51181311 , 223971187 , 601740876 , 6486151308 , 472752735
n×2
163414078
n×3
245121117
n×4
326828156
n×5
408535195
n÷2
40853519.5
n÷3
27235679.666667
n÷3
20426759.75
n÷5
16341407.8
n2
6676040222147521
n3
5.4547947879658E+23
n4
4.4569513047732E+31
n5
3.641642940802E+39
2 √n
9039.194599078
3 √n
433.93014760598
4 √n
95.074679063765
5 √n
38.2341900407
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
-81707038
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 81707039 can be divided by 4 positive divisors.
The sum of these divisors (counting 81707039) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111101100000000011111
3
Ternary
12200202010222122
4
Quaternary
10313230000133
5
Quinary
131404111124
6
Senary
12035133155
8
Octal
467540037
10
Decimal
81707039
12
Duodecimal
234441bb
16
Hexadecimal
4dec01f
20
Vigesimal
15ad7bj
36
Base36
1cn9jz
md5
0a24693f6f5c116ccafdf7ea8c5beb12
sha1
4c7dda4e26b3c20c02b61b8813a8f6281b3a05af
sha256
75ee3af1f00a1c24fc50da43ec0f50b59919bc6430d035b8fdc9635e7a9d675e
sha512
8178f510b020b986cd9fbd7e04411b50e6ceaf857b30f4ca2cfdfa266a614bcc72428dd42951628730fc19e601954c93f55948c61b8ac6449ed47928d7819b8d
ripemd-160
5cdb393ad3bc306a3069c9367fab9def601401da
Diameter
163414078
Circumference
513380466.93795
Area
2.0973398916969E+16
Volume
2.2848990976951E+24
Surface area
8.3893595667874E+16
Circumference
513380466.93795
Perimeter
326828156
Area
6676040222147521
Diagonal
115551202.69515
Surface area
40056241332885126
Volume
5.4547947879658E+23
Space diagonal
141520742.88401
Perimeter
245121117
Area
2.8908102145332E+15
Altitude
70760371.442006
Surface area
2.8908102145332E+15
Volume
6.428537307586E+22
Height
38517067.565049