80821540 is an even 8-digits composite number following 80821539
and preceding 80821541 . In scientific notation, it is written as 8.0821540 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 30922848 positive integers (up to 80821540) that are relatively prime to 80821540.
80821540 has 24 divisors, whose sum is 177105600
The reverse of 80821540 is 04512808
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty million eight hundred twenty-one thousand five hundred forty
Scientific notation
8.0821540 × 10^7
Engineering notation
8.0821540 × 10^6
Prime Factorization
2 × 2 × 5 × 23 × 175699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40410770
Product of the distinct prime numbers
The prime factorization of 80821540 is 2 × 2 × 5 × 23 × 175699.
Since it has a total of 5 prime factors.
9 , 4 , 57 , 52 , 876 , 307 , 2480 , 9113 , 61844 , 83851 , 896828 , 595435 , 7152775 , 7064977 , 56715838 , 74619006 , 725341939 , 472056522 , 5321268369 , 5142799162
n×2
161643080
n×3
242464620
n×4
323286160
n×5
404107700
n÷2
40410770
n÷3
26940513.333333
n÷3
20205385
n÷5
16164308
n2
6532121327971600
n3
5.2793610519351E+23
n4
4.2668609043341E+31
n5
3.4485426925408E+39
2 √n
8990.080088631
3 √n
432.35687959398
4 √n
94.816032866974
5 √n
38.150955924853
1 , 2 , 4 , 5 , 10 , 20 , 23 , 46 , 92 , 115 , 230 , 460 , 175699 , 351398 , 702796 , 878495 , 1756990 , 3513980 , 4041077 , 8082154 , 16164308 , 20205385 , 40410770 , 80821540
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821540 can be divided by 24 positive divisors.
The sum of these divisors (counting 80821540) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110100010011110100100100
3
Ternary
12122002011022101
4
Quaternary
10310103310210
5
Quinary
131142242130
6
Senary
12004141444
8
Octal
464236444
10
Decimal
80821540
12
Duodecimal
23097884
16
Hexadecimal
4d13d24
20
Vigesimal
1552dh0
36
Base36
1c4aas
md5
2dd4c3a7f9d20f74e95af53aebfc6ff8
sha1
81fa5e5441e41305566fbab4b2ae7ff3dec2dc90
sha256
6d8996970a41da1d716ff9097eac155888bf729269f303bafd3f1ead8f46484b
sha512
04cc320fcecf4cba02a74104b7b6210580b6c464f38648d01940bb43588ec878a4c3ee1c7891b629b9d73dd5d570971119d488c3f8fcc0254fe19c10ae7a72d1
ripemd-160
7a0253145341f12a14928caeb7b65b5fb2916bf0
Diameter
161643080
Circumference
507816712.63163
Area
2.0521264376313E+16
Volume
2.2114135861877E+24
Surface area
8.2085057505251E+16
Circumference
507816712.63163
Perimeter
323286160
Area
6532121327971600
Diagonal
114298917.99988
Surface area
39192727967829600
Volume
5.2793610519351E+23
Space diagonal
139987013.62596
Perimeter
242464620
Area
2.8284915053128E+15
Altitude
69993506.81298
Surface area
2.8284915053128E+15
Volume
6.2217866669258E+22
Height
38099639.333293