81497 is an odd 5-digits composite number following 81496
and preceding 81498 . In scientific notation, it is written as 8.1497 × 10^4.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 75216 positive integers (up to 81497) that are relatively prime to 81497.
81497 has 4 divisors, whose sum is 87780
The reverse of 81497 is 79418
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 29
Digital Root 2
Name
eighty-one thousand four hundred ninety-seven
Scientific notation
8.1497 × 10^4
Engineering notation
8.1497 × 10^3
Prime Factorization
13 × 6269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81497
Product of the distinct prime numbers
The prime factorization of 81497 is 13 × 6269.
Since it has a total of 2 prime factors.
2 , 3 , 61 , 22 , 772 , 926 , 427 , 2604 , 89553 , 85932 , 816629 , 255497 , 3951291 , 9986502 , 92606535 , 15243653 , 58044007 , 738280016 , 7785421627 , 4721441488
n×2
162994
n×3
244491
n×4
325988
n×5
407485
n÷2
40748.5
n÷3
27165.666666667
n÷3
20374.25
n÷5
16299.4
n2
6641761009
n3
541283596950473
n4
4.4112989300673E+19
n5
3.5950762890369E+24
2 √n
285.47679415322
3 √n
43.355800315369
4 √n
16.896058538997
5 √n
9.5990515598778
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
-81496
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 81497 can be divided by 4 positive divisors.
The sum of these divisors (counting 81497) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011111001011001
3
Ternary
11010210102
4
Quaternary
103321121
5
Quinary
10101442
6
Senary
1425145
8
Octal
237131
10
Decimal
81497
12
Duodecimal
3b1b5
16
Hexadecimal
13e59
20
Vigesimal
a3eh
36
Base36
1qvt
md5
340038fe3fc275f5a652ed034dcc89ff
sha1
1bef4d88453f974af2985b8595fa0b0b976d3617
sha256
7b36018bc49650c37767dbe61c6ef5c0098a56b78e6ee2b1a468d93b69e96f5c
sha512
965ef87cd6e50497686702b10cecd18ef88c0a47a21c7d235af8c542b789b232662aeb821151ee4507abc6f1f50fe5f3e570c5d7f05a50147a593320716e69ee
ripemd-160
ce08677be3d46884e785d544fa5d4452000a15e4
Diameter
162994
Circumference
512060.75297921
Area
20865707592.774
Volume
2.2673234289177E+15
Surface area
83462830371.094
Circumference
512060.75297921
Perimeter
325988
Area
6641761009
Diagonal
115254.16269272
Surface area
39850566054
Volume
541283596950473
Space diagonal
141156.94466444
Perimeter
244491
Area
2875966879.8295
Altitude
70578.47233222
Surface area
2875966879.8295
Volume
63790883658121
Height
38418.054230907