81497141 is an odd 8-digits composite number following 81497140
and preceding 81497142 . In scientific notation, it is written as 8.1497141 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 73843920 positive integers (up to 81497141) that are relatively prime to 81497141.
81497141 has 8 divisors, whose sum is 89199264
The reverse of 81497141 is 14179418
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred ninety-seven thousand one hundred forty-one
Scientific notation
8.1497141 × 10^7
Engineering notation
8.1497141 × 10^6
Prime Factorization
11 × 307 × 24133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81497141
Product of the distinct prime numbers
The prime factorization of 81497141 is 11 × 307 × 24133.
Since it has a total of 3 prime factors.
5 , 7 , 30 , 18 , 794 , 596 , 9868 , 3580 , 77891 , 29548 , 146461 , 248545 , 9048566 , 7110320 , 31842397 , 8963101 , 84600409 , 721317154 , 5197747135 , 1218711554
n×2
162994282
n×3
244491423
n×4
325988564
n×5
407485705
n÷2
40748570.5
n÷3
27165713.666667
n÷3
20374285.25
n÷5
16299428.2
n2
6641783991173881
n3
5.4128640642024E+23
n4
4.4113294585414E+31
n5
3.595107388802E+39
2 √n
9027.5766958802
3 √n
433.55825319007
4 √n
95.013560589425
5 √n
38.214525788169
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
-81497140
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 81497141 can be divided by 8 positive divisors.
The sum of these divisors (counting 81497141) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110111000110000110101
3
Ternary
12200100111001122
4
Quaternary
10312320300311
5
Quinary
131330402031
6
Senary
12030433325
8
Octal
466706065
10
Decimal
81497141
12
Duodecimal
23362845
16
Hexadecimal
4db8c35
20
Vigesimal
15972h1
36
Base36
1cirlh
md5
0a4b79f144d41916ade144efeab60784
sha1
c86d02ce8939e92f82eb57a523f679006189dd90
sha256
ba581771167fad2562f19a0d5f0cc3744a06f26388f6612a19617cbe0a9aecce
sha512
3d9f7dcf797fe0faab21838a56243f54abf94b3b109d1912b76c5a9164264cf66dfa9d5eca00a0e812eb0468c2d54702ae61f968c9164ffebf1a77c8a3722b1f
ripemd-160
23dd9c200a70e29e97dc739258fc08660639bc0d
Diameter
162994282
Circumference
512061638.90834
Area
2.0865779793402E+16
Volume
2.2673351971971E+24
Surface area
8.3463119173609E+16
Circumference
512061638.90834
Perimeter
325988564
Area
6641783991173881
Diagonal
115254362.09683
Surface area
39850703947043286
Volume
5.4128640642024E+23
Space diagonal
141157188.8836
Perimeter
244491423
Area
2.8759768314027E+15
Altitude
70578594.441802
Surface area
2.8759768314027E+15
Volume
6.3791214757308E+22
Height
38418120.698944