81497151 is an odd 8-digits composite number following 81497150
and preceding 81497152 . In scientific notation, it is written as 8.1497151 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 54331416 positive integers (up to 81497151) that are relatively prime to 81497151.
81497151 has 8 divisors, whose sum is 120736560
The reverse of 81497151 is 15179418
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million four hundred ninety-seven thousand one hundred fifty-one
Scientific notation
8.1497151 × 10^7
Engineering notation
8.1497151 × 10^6
Prime Factorization
9 × 3 × 3018413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81497151
Product of the distinct prime numbers
The prime factorization of 81497151 is 9 × 3 × 3018413.
Since it has a total of 3 prime factors.
6 , 9 , 34 , 42 , 39 , 31 , 80 , 2094 , 13578 , 16068 , 835095 , 118001 , 1300627 , 9188987 , 98988453 , 82612836 , 301125438 , 6855796 , 9209101650 , 4097069465
n×2
162994302
n×3
244491453
n×4
325988604
n×5
407485755
n÷2
40748575.5
n÷3
27165717
n÷3
20374287.75
n÷5
16299430.2
n2
6641785621116801
n3
5.4128660567378E+23
n4
4.4113316236874E+31
n5
3.5951095944673E+39
2 √n
9027.5772497387
3 √n
433.55827092313
4 √n
95.013563504053
5 √n
38.214526725981
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
-81497150
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 81497151 can be divided by 8 positive divisors.
The sum of these divisors (counting 81497151) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110111000110000111111
3
Ternary
12200100111002000
4
Quaternary
10312320300333
5
Quinary
131330402101
6
Senary
12030433343
8
Octal
466706077
10
Decimal
81497151
12
Duodecimal
23362853
16
Hexadecimal
4db8c3f
20
Vigesimal
15972hb
36
Base36
1cirlr
md5
60dc3f302a5345b8b071267dce8b6b0f
sha1
6c7f3ac80ab8ecc3573b19113b2598e4e93aa978
sha256
d13c0bd9099ab476d2c9f13088c4536179afc20f908e1febae02b76adde6dfaf
sha512
f1c4265a5ec4095310411ee0129bdcbbefe47432dd23951861d9e607ff0cbb1b5747586e4867b49edb501469faa790a33abb3e02228d7775d9735396c8052ec0
ripemd-160
b685482b8da216aca24f6364dc877877e2cbdd00
Diameter
162994302
Circumference
512061701.7402
Area
2.0865784914019E+16
Volume
2.2673360318284E+24
Surface area
8.3463139656075E+16
Circumference
512061701.7402
Perimeter
325988604
Area
6641785621116801
Diagonal
115254376.23897
Surface area
39850713726700806
Volume
5.4128660567378E+23
Space diagonal
141157206.20411
Perimeter
244491453
Area
2.8759775371887E+15
Altitude
70578603.102056
Surface area
2.8759775371887E+15
Volume
6.3791238239564E+22
Height
38418125.412989