80491621 is an odd 8-digits composite number following 80491620
and preceding 80491622 . In scientific notation, it is written as 8.0491621 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 68992812 positive integers (up to 80491621) that are relatively prime to 80491621.
80491621 has 4 divisors, whose sum is 91990432
The reverse of 80491621 is 12619408
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty million four hundred ninety-one thousand six hundred twenty-one
Scientific notation
8.0491621 × 10^7
Engineering notation
8.0491621 × 10^6
Prime Factorization
7 × 11498803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80491621
Product of the distinct prime numbers
The prime factorization of 80491621 is 7 × 11498803.
Since it has a total of 2 prime factors.
9 , 3 , 84 , 22 , 781 , 994 , 7600 , 2400 , 33201 , 66304 , 670463 , 857057 , 5822375 , 9376853 , 17992098 , 21744874 , 749070637 , 423979388 , 1652176686 , 5383783544
n×2
160983242
n×3
241474863
n×4
321966484
n×5
402458105
n÷2
40245810.5
n÷3
26830540.333333
n÷3
20122905.25
n÷5
16098324.2
n2
6478901051207641
n3
5.2149724791031E+23
n4
4.1976158831339E+31
n5
3.378729067688E+39
2 √n
8971.7122668976
3 √n
431.76777392083
4 √n
94.719123026438
5 √n
38.119757985159
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
-80491620
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 80491621 can be divided by 4 positive divisors.
The sum of these divisors (counting 80491621) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011000011010001100101
3
Ternary
12121110101202011
4
Quaternary
10303003101211
5
Quinary
131101212441
6
Senary
11553114221
8
Octal
463032145
10
Decimal
80491621
12
Duodecimal
22b58971
16
Hexadecimal
4cc3465
20
Vigesimal
1531911
36
Base36
1bx7qd
md5
509ba53f73785abc8f379142291a50fe
sha1
1ec6f1e000177920d0e815a7a0055c33f5658382
sha256
b14b1098bde2466c0e3d4f1dd34a46954879e33f206bd03219a5d3c77d0047d1
sha512
ab56d36f81aa93f79d035b9e8581ab150f94fe861342c820d6dd955dc9cae8fa66225031e9ed90cf76b9e26210799e3d00a8debcb4911a7aec41b0aec5fa791c
ripemd-160
4d45e367e5cc632b348e70bd2a54b12d7c41206c
Diameter
160983242
Circumference
505743770.41827
Area
2.0354067945809E+16
Volume
2.1844425638698E+24
Surface area
8.1416271783236E+16
Circumference
505743770.41827
Perimeter
321966484
Area
6478901051207641
Diagonal
113832342.0756
Surface area
38873406307245846
Volume
5.2149724791031E+23
Space diagonal
139415577.15558
Perimeter
241474863
Area
2.8054464494758E+15
Altitude
69707788.577789
Surface area
2.8054464494758E+15
Volume
6.145904006125E+22
Height
37944114.025198