80491890 is an even 8-digits composite number following 80491889
and preceding 80491891 . In scientific notation, it is written as 8.0491890 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 21464496 positive integers (up to 80491890) that are relatively prime to 80491890.
80491890 has 8 divisors, whose sum is 128787072
The reverse of 80491890 is 09819408
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million four hundred ninety-one thousand eight hundred ninety
Scientific notation
8.0491890 × 10^7
Engineering notation
8.0491890 × 10^6
Prime Factorization
2 × 15 × 2683063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80491890
Product of the distinct prime numbers
The prime factorization of 80491890 is 2 × 15 × 2683063.
Since it has a total of 3 prime factors.
4 , 1 , 64 , 47 , 122 , 91 , 1778 , 2393 , 49973 , 24902 , 96321 , 708861 , 8050100 , 9482943 , 80221330 , 30776232 , 198547993 , 862576589 , 8689756575 , 6686259624
n×2
160983780
n×3
241475670
n×4
321967560
n×5
402459450
n÷2
40245945
n÷3
26830630
n÷3
20122972.5
n÷5
16098378
n2
6478944355772100
n3
5.2150247640093E+23
n4
4.1976719965191E+31
n5
3.378785525999E+39
2 √n
8971.7272584492
3 √n
431.76825490423
4 √n
94.719202163285
5 √n
38.119783464087
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
-80491889
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 80491890 can be divided by 8 positive divisors.
The sum of these divisors (counting 80491890) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011000011010101110010
3
Ternary
12121110102010010
4
Quaternary
10303003111302
5
Quinary
131101220030
6
Senary
11553115350
8
Octal
463032562
10
Decimal
80491890
12
Duodecimal
22b58b56
16
Hexadecimal
4cc3572
20
Vigesimal
15319ea
36
Base36
1bx7xu
md5
78d5c7ab3b834e0cf1aacdf38d752d6c
sha1
262cca2e0b7167d26ba25e89e4053fd546573351
sha256
0a4884483f8ae9800753a485eb0c120f6570e041150e8be379941fb2bd9c26e7
sha512
fdbb122cdb893c29d3eaf0e04069ddf104691874c9770d2f49ef72e85078ade3c8c68ff5ddaabe87d4ce02a17c303027e57f6f6438cbd4f35fea1c079a656250
ripemd-160
f256d57ca2e8d6bfd2a00fa580f4ae47f375cc1c
Diameter
160983780
Circumference
505745460.59512
Area
2.0354203991111E+16
Volume
2.1844644649201E+24
Surface area
8.1416815964443E+16
Circumference
505745460.59512
Perimeter
321967560
Area
6478944355772100
Diagonal
113832722.49904
Surface area
38873666134632600
Volume
5.2150247640093E+23
Space diagonal
139416043.07725
Perimeter
241475670
Area
2.8054652009022E+15
Altitude
69708021.538623
Surface area
2.8054652009022E+15
Volume
6.1459656244779E+22
Height
37944240.833014