80472721 is an odd 8-digits composite number following 80472720
and preceding 80472722 . In scientific notation, it is written as 8.0472721 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 68809488 positive integers (up to 80472721) that are relatively prime to 80472721.
80472721 has 8 divisors, whose sum is 92191680
The reverse of 80472721 is 12727408
Previous prime number is 419
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty million four hundred seventy-two thousand seven hundred twenty-one
Scientific notation
8.0472721 × 10^7
Engineering notation
8.0472721 × 10^6
Prime Factorization
7 × 419 × 27437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80472721
Product of the distinct prime numbers
The prime factorization of 80472721 is 7 × 419 × 27437.
Since it has a total of 3 prime factors.
10 , 6 , 89 , 10 , 916 , 277 , 8550 , 3405 , 17127 , 65632 , 697110 , 44321 , 8939623 , 5059305 , 10755082 , 21205216 , 854083272 , 829638609 , 4470356621 , 7247190091
n×2
160945442
n×3
241418163
n×4
321890884
n×5
402363605
n÷2
40236360.5
n÷3
26824240.333333
n÷3
20118180.25
n÷5
16094544.2
n2
6475858825143841
n3
5.2112998047119E+23
n4
4.1936747523193E+31
n5
3.3747641830814E+39
2 √n
8970.658894418
3 √n
431.7339772365
4 √n
94.713562357341
5 √n
38.117967659422
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
-80472720
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 80472721 can be divided by 8 positive divisors.
The sum of these divisors (counting 80472721) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010111110101010010001
3
Ternary
12121102102211011
4
Quaternary
10302332222101
5
Quinary
131100111341
6
Senary
11552450521
8
Octal
462765221
10
Decimal
80472721
12
Duodecimal
22b49a41
16
Hexadecimal
4cbea91
20
Vigesimal
152j1g1
36
Base36
1bwt5d
md5
a33942f3ea6055a1997b268da9acb6a1
sha1
43c4e9cbcb7db1f2b13080a782b11791e8861f3e
sha256
4a26ae9de9f2e82de56e05205a2d8d55f692cc180d422a1515a294daa726479a
sha512
b2872b9a9f74a3473b5e14ff467bf2cd24416b9d4050fa8215fbafe375dc8caca2575c2dd411536be064931451d95d8359ba2146d69edbd437042f9e7d59c7dc
ripemd-160
d71661710258df342dc2909e5c5b6d2b9004c909
Diameter
160945442
Circumference
505625018.21596
Area
2.0344510510757E+16
Volume
2.1829041576182E+24
Surface area
8.1378042043026E+16
Circumference
505625018.21596
Perimeter
321890884
Area
6475858825143841
Diagonal
113805613.43927
Surface area
38855152950863046
Volume
5.2112998047119E+23
Space diagonal
139382841.39531
Perimeter
241418163
Area
2.8041291269481E+15
Altitude
69691420.697657
Surface area
2.8041291269481E+15
Volume
6.1415757178465E+22
Height
37935204.479755