80491891 is an odd 8-digits composite number following 80491890
and preceding 80491892 . In scientific notation, it is written as 8.0491891 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 80464384 positive integers (up to 80491891) that are relatively prime to 80491891.
80491891 has 4 divisors, whose sum is 80519400
The reverse of 80491891 is 19819408
Previous prime number is 3329
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty million four hundred ninety-one thousand eight hundred ninety-one
Scientific notation
8.0491891 × 10^7
Engineering notation
8.0491891 × 10^6
Prime Factorization
3329 × 24179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80491891
Product of the distinct prime numbers
The prime factorization of 80491891 is 3329 × 24179.
Since it has a total of 2 prime factors.
5 , 2 , 61 , 100 , 200 , 325 , 4326 , 8450 , 55962 , 85937 , 449270 , 974679 , 8819429 , 8134847 , 79982877 , 1950394 , 719354803 , 220364884 , 4722514559 , 3590855972
n×2
160983782
n×3
241475673
n×4
321967564
n×5
402459455
n÷2
40245945.5
n÷3
26830630.333333
n÷3
20122972.75
n÷5
16098378.2
n2
6478944516755881
n3
5.2150249583776E+23
n4
4.1976722051201E+31
n5
3.3787857358826E+39
2 √n
8971.7273141798
3 √n
431.76825669227
4 √n
94.719202457473
5 √n
38.119783558804
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
-80491890
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 80491891 can be divided by 4 positive divisors.
The sum of these divisors (counting 80491891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011000011010101110011
3
Ternary
12121110102010011
4
Quaternary
10303003111303
5
Quinary
131101220031
6
Senary
11553115351
8
Octal
463032563
10
Decimal
80491891
12
Duodecimal
22b58b57
16
Hexadecimal
4cc3573
20
Vigesimal
15319eb
36
Base36
1bx7xv
md5
fefb36ed6d16d5affbd53690f62fcd42
sha1
5b1848c4ee2c7723e5ea5182607dba582e6ff1dc
sha256
090a6db94d79ba8a1072a5cecd0c9211c7c230c921db95c231ca09d97f0d697a
sha512
6e2a1eebb46931aca5b1846324e07b4ac701d21a1f497fd1e115c9498842b4dca9ba0f19daddb15d9dc354ecc8c5e1ba0e53ba30950916e11e3931f1c802c58f
ripemd-160
9f98941e4b38a6526e0d24eade7caae52c4eb245
Diameter
160983782
Circumference
505745466.8783
Area
2.0354204496856E+16
Volume
2.1844645463369E+24
Surface area
8.1416817987425E+16
Circumference
505745466.8783
Perimeter
321967564
Area
6478944516755881
Diagonal
113832723.91326
Surface area
38873667100535286
Volume
5.2150249583776E+23
Space diagonal
139416044.8093
Perimeter
241475673
Area
2.8054652706102E+15
Altitude
69708022.404648
Surface area
2.8054652706102E+15
Volume
6.1459658535432E+22
Height
37944241.304419