80490981 is an odd 8-digits composite number following 80490980
and preceding 80490982 . In scientific notation, it is written as 8.0490981 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 53425872 positive integers (up to 80490981) that are relatively prime to 80490981.
80490981 has 8 divisors, whose sum is 107790880
The reverse of 80490981 is 18909408
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million four hundred ninety thousand nine hundred eighty-one
Scientific notation
8.0490981 × 10^7
Engineering notation
8.0490981 × 10^6
Prime Factorization
3 × 229 × 117163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80490981
Product of the distinct prime numbers
The prime factorization of 80490981 is 3 × 229 × 117163.
Since it has a total of 3 prime factors.
7 , 4 , 93 , 86 , 455 , 599 , 3791 , 21 , 89191 , 96306 , 329473 , 195022 , 3827006 , 735549 , 80929810 , 62491235 , 575199768 , 296572522 , 8586015456 , 3246441125
n×2
160981962
n×3
241472943
n×4
321963924
n×5
402454905
n÷2
40245490.5
n÷3
26830327
n÷3
20122745.25
n÷5
16098196.2
n2
6478798022342361
n3
5.214848085192E+23
n4
4.1974823814307E+31
n5
3.3785947461158E+39
2 √n
8971.6765991647
3 √n
431.76662956939
4 √n
94.718934744668
5 √n
38.119697365874
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
-80490980
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 80490981 can be divided by 8 positive divisors.
The sum of these divisors (counting 80490981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011000011000111100101
3
Ternary
12121110100212110
4
Quaternary
10303003013211
5
Quinary
131101202411
6
Senary
11553111233
8
Octal
463030745
10
Decimal
80490981
12
Duodecimal
22b58519
16
Hexadecimal
4cc31e5
20
Vigesimal
1531791
36
Base36
1bx78l
md5
9615cca2fe66ed896d62c51ec735b3a4
sha1
46a4c0c2ee165abb8f4fa20270d3a54178ac5f7e
sha256
695a277d8a43d645e1f81ab5f0b48acfb538a168d7b5c03975358abd3e2b8ff4
sha512
deed9e74f76d487b33b6e468493f7b8e64f7f111b6f24497d58dace8a696ee54a8cd691ffc7a97147de440ae3cafd784ae7f759336e821b0cebc01bf24d4c718
ripemd-160
a33e0dfcdffb0a9ef90837665c3bfc235be949fb
Diameter
160981962
Circumference
505739749.17967
Area
2.0353744271083E+16
Volume
2.1843904578701E+24
Surface area
8.1414977084331E+16
Circumference
505739749.17967
Perimeter
321963924
Area
6478798022342361
Diagonal
113831436.97892
Surface area
38872788134054166
Volume
5.214848085192E+23
Space diagonal
139414468.64306
Perimeter
241472943
Area
2.8054018366684E+15
Altitude
69707234.321531
Surface area
2.8054018366684E+15
Volume
6.1457574064949E+22
Height
37943812.326305