81497695 is an odd 8-digits composite number following 81497694
and preceding 81497696 . In scientific notation, it is written as 8.1497695 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 64888320 positive integers (up to 81497695) that are relatively prime to 81497695.
81497695 has 8 divisors, whose sum is 98262000
The reverse of 81497695 is 59679418
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-one million four hundred ninety-seven thousand six hundred ninety-five
Scientific notation
8.1497695 × 10^7
Engineering notation
8.1497695 × 10^6
Prime Factorization
5 × 211 × 77249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81497695
Product of the distinct prime numbers
The prime factorization of 81497695 is 5 × 211 × 77249.
Since it has a total of 3 prime factors.
8 , 6 , 57 , 36 , 518 , 17 , 9207 , 1780 , 14403 , 74670 , 640460 , 963872 , 8645623 , 514750 , 24470195 , 72265914 , 174136873 , 956434954 , 1332065616 , 5098839050
n×2
162995390
n×3
244493085
n×4
325990780
n×5
407488475
n÷2
40748847.5
n÷3
27165898.333333
n÷3
20374423.75
n÷5
16299539
n2
6641874290313025
n3
5.4129744514027E+23
n4
4.4114494088321E+31
n5
3.5952295842893E+39
2 √n
9027.6073795885
3 √n
433.5592355997
4 √n
95.01372205944
5 √n
38.21457774285
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
-81497694
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 81497695 can be divided by 8 positive divisors.
The sum of these divisors (counting 81497695) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110111000111001011111
3
Ternary
12200100111211011
4
Quaternary
10312320321133
5
Quinary
131330411240
6
Senary
12030440051
8
Octal
466707137
10
Decimal
81497695
12
Duodecimal
23363027
16
Hexadecimal
4db8e5f
20
Vigesimal
159744f
36
Base36
1cis0v
md5
e80a861c7ca9a23a66d8e76b9d0f1726
sha1
cb2302193d2d4e364f10fc5257f76785d516385b
sha256
8e934b286c0cfc1afa778942e6712d3fe52b38101c71286d67ae86a0d6932e54
sha512
8f86133f94289f9ac120bd57b782dd6254413daf1ccca556b19bc3ebfe4bca2c149f1f81a95b16678f3ecf755cde234a2099bf3f50cc9941e58c162cc83aa44c
ripemd-160
592f7a67a5df401510dc8e80c93087941741b69c
Diameter
162995390
Circumference
512065119.793
Area
2.0866063476514E+16
Volume
2.2673814360795E+24
Surface area
8.3464253906057E+16
Circumference
512065119.793
Perimeter
325990780
Area
6641874290313025
Diagonal
115255145.57115
Surface area
39851245741878150
Volume
5.4129744514027E+23
Space diagonal
141158148.43975
Perimeter
244493085
Area
2.8760159320769E+15
Altitude
70579074.219876
Surface area
2.8760159320769E+15
Volume
6.379251568294E+22
Height
38418381.857049