81706739 is an odd 8-digits prime number following 81706738
and preceding 81706740 . In scientific notation, it is written as 8.1706739 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 81706738 positive integers (up to 81706739) that are relatively prime to 81706739.
81706739 has 2 divisors, whose sum is 81706740
The reverse of 81706739 is 93760718
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million seven hundred six thousand seven hundred thirty-nine
Scientific notation
8.1706739 × 10^7
Engineering notation
8.1706739 × 10^6
Prime Factorization
81706739
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81706739
Product of the distinct prime numbers
The prime factorization of 81706739 is 81706739.
Since it has a total of 1 prime factors.
6 , 8 , 63 , 9 , 869 , 31 , 3081 , 1426 , 51419 , 12025 , 152467 , 502252 , 9468314 , 2631518 , 38444316 , 644913 , 695040546 , 715262662 , 9852535977 , 7346284848
n×2
163413478
n×3
245120217
n×4
326826956
n×5
408533695
n÷2
40853369.5
n÷3
27235579.666667
n÷3
20426684.75
n÷5
16341347.8
n2
6675991198014121
n3
5.4547347038244E+23
n4
4.4568858475962E+31
n5
3.6415760870234E+39
2 √n
9039.1780046639
3 √n
433.92961652484
4 √n
95.074591793307
5 √n
38.234161964113
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81706740
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40853370
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9039.1780599787
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999755222
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81706739 can be divided by 2 positive divisors.
The sum of these divisors (counting 81706739) is 81706740, the average is 40853370.
Base
System
Value
2
Binary
100110111101011111011110011
3
Ternary
12200202010120112
4
Quaternary
10313223323303
5
Quinary
131404103424
6
Senary
12035131535
8
Octal
467537363
10
Decimal
81706739
12
Duodecimal
23443bab
16
Hexadecimal
4debef3
20
Vigesimal
15ad6gj
36
Base36
1cn9bn
md5
31de96d31ca80e0b2c04d56a9f1d8d6c
sha1
de798d03799cc1de15079eef5b59a269c8b44528
sha256
a0ab42386d30bb044958430bbcba1ea59dba5980be70b76b9b994881ebd1982a
sha512
bb9c5bd32d679259c61fb003e2e13c4bf9c56e4064c1ecf45508c77fae3d7d728dbfc262cd833269ae885b041fec1c0ebdb70d1880241f900f3433a9d70600e4
ripemd-160
fbeab6b9455df5d2f201d198e9d02664d63eef82
Diameter
163413478
Circumference
513378581.98236
Area
2.0973244903111E+16
Volume
2.2848739297088E+24
Surface area
8.3892979612445E+16
Circumference
513378581.98236
Perimeter
326826956
Area
6675991198014121
Diagonal
115550778.43108
Surface area
40055947188084726
Volume
5.4547347038244E+23
Space diagonal
141520223.26877
Perimeter
245120217
Area
2.8907889864608E+15
Altitude
70760111.634385
Surface area
2.8907889864608E+15
Volume
6.4284664977463E+22
Height
38516926.143693