80491971 is an odd 8-digits composite number following 80491970
and preceding 80491972 . In scientific notation, it is written as 8.0491971 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 45948384 positive integers (up to 80491971) that are relatively prime to 80491971.
80491971 has 16 divisors, whose sum is 122779904
The reverse of 80491971 is 17919408
Previous prime number is 2053
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty million four hundred ninety-one thousand nine hundred seventy-one
Scientific notation
8.0491971 × 10^7
Engineering notation
8.0491971 × 10^6
Prime Factorization
3 × 7 × 2053 × 1867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80491971
Product of the distinct prime numbers
The prime factorization of 80491971 is 3 × 7 × 2053 × 1867.
Since it has a total of 4 prime factors.
8 , 3 , 31 , 84 , 563 , 232 , 1642 , 5672 , 30516 , 37484 , 677403 , 380913 , 5602841 , 1861015 , 81097820 , 45562569 , 796185687 , 780383366 , 3811127830 , 2957682102
n×2
160983942
n×3
241475913
n×4
321967884
n×5
402459855
n÷2
40245985.5
n÷3
26830657
n÷3
20122992.75
n÷5
16098394.2
n2
6478957395464841
n3
5.2150405078599E+23
n4
4.1976888932249E+31
n5
3.3788025266048E+39
2 √n
8971.731772629
3 √n
431.76839973546
4 √n
94.719225992556
5 √n
38.119791136168
1 , 3 , 7 , 21 , 1867 , 2053 , 5601 , 6159 , 13069 , 14371 , 39207 , 43113 , 3832951 , 11498853 , 26830657 , 80491971
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80491970
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80491971 can be divided by 16 positive divisors.
The sum of these divisors (counting 80491971) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011000011010111000011
3
Ternary
12121110102020010
4
Quaternary
10303003113003
5
Quinary
131101220341
6
Senary
11553120003
8
Octal
463032703
10
Decimal
80491971
12
Duodecimal
22b59003
16
Hexadecimal
4cc35c3
20
Vigesimal
15319ib
36
Base36
1bx803
md5
fd843a6418d82c74089c0dabccc1808b
sha1
64741702baf9376a604004d061de303b89702d52
sha256
b3728124bb26947deb08fa748e0d53c0191bd9f3db242df3946787e48fdd3c9b
sha512
76633ffd5199d558ddbb4972f3d45a3c5ecccaf22bcf1460d17d62b1c14f7c5ebb1c557819c0ba031122e722cc1fc4344127129c6e1ac84b3c5d361cf1634da7
ripemd-160
8a7fcd28fd5a80a21c7c9ef722821d8d8b152cf9
Diameter
160983942
Circumference
505745969.53313
Area
2.0354244956514E+16
Volume
2.1844710596888E+24
Surface area
8.1416979826054E+16
Circumference
505745969.53313
Perimeter
321967884
Area
6478957395464841
Diagonal
113832837.05034
Surface area
38873744372789046
Volume
5.2150405078599E+23
Space diagonal
139416183.37336
Perimeter
241475913
Area
2.8054708472548E+15
Altitude
69708091.68668
Surface area
2.8054708472548E+15
Volume
6.1459841787838E+22
Height
37944279.016781