80821728 is an even 8-digits composite number following 80821727
and preceding 80821729 . In scientific notation, it is written as 8.0821728 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 24 positive divisors.
There are 24867072 positive integers (up to 80821728) that are relatively prime to 80821728.
80821728 has 24 divisors, whose sum is 160485192
The reverse of 80821728 is 82712808
Previous prime number is 117
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty million eight hundred twenty-one thousand seven hundred twenty-eight
Scientific notation
8.0821728 × 10^7
Engineering notation
8.0821728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 117 × 21587
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5051358
Product of the distinct prime numbers
The prime factorization of 80821728 is 2 × 2 × 2 × 2 × 2 × 117 × 21587.
Since it has a total of 7 prime factors.
7 , 7 , 36 , 34 , 7 , 646 , 5545 , 6270 , 57492 , 92914 , 437138 , 342724 , 6243150 , 4159694 , 65230559 , 71488428 , 445173019 , 383868538 , 3301948633 , 7842968005
n×2
161643456
n×3
242465184
n×4
323286912
n×5
404108640
n÷2
40410864
n÷3
26940576
n÷3
20205432
n÷5
16164345.6
n2
6532151716905984
n3
5.2793978931851E+23
n4
4.2669006052678E+31
n5
3.4485828012199E+39
2 √n
8990.0905445941
3 √n
432.35721483064
4 √n
94.816088005117
5 √n
38.150973673521
1 , 2 , 4 , 8 , 16 , 32 , 117 , 234 , 468 , 936 , 1872 , 3744 , 21587 , 43174 , 86348 , 172696 , 345392 , 690784 , 2525679 , 5051358 , 10102716 , 20205432 , 40410864 , 80821728
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
-80821727
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 80821728 can be divided by 24 positive divisors.
The sum of these divisors (counting 80821728) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110100010011110111100000
3
Ternary
12122002011120100
4
Quaternary
10310103313200
5
Quinary
131142243403
6
Senary
12004142400
8
Octal
464236740
10
Decimal
80821728
12
Duodecimal
23097a00
16
Hexadecimal
4d13de0
20
Vigesimal
1552e68
36
Base36
1c4ag0
md5
cfb839a98b8a098772e614f9ddfa6d01
sha1
7bf1e7a9f58228732f7e632851bf68353f483072
sha256
5589e57723a3c1f0edee11e8d0f008590eac2e607132d1767baae42ee5ec2818
sha512
3276cce6774382894d8fe8e8d5e99d085acee4508647910da287c341585e72343cdd7125191fea7f49647ec331b3a900eb22ee6c97278d4382a139c31a19c9e4
ripemd-160
2999055388b654d1f18dcbb54a278718454fccf7
Diameter
161643456
Circumference
507817893.87046
Area
2.0521359845966E+16
Volume
2.2114290182144E+24
Surface area
8.2085439383863E+16
Circumference
507817893.87046
Perimeter
323286912
Area
6532151716905984
Diagonal
114299183.87203
Surface area
39192910301435904
Volume
5.2793978931851E+23
Space diagonal
139987339.25151
Perimeter
242465184
Area
2.8285046641074E+15
Altitude
69993669.625756
Surface area
2.8285046641074E+15
Volume
6.2218300847552E+22
Height
38099727.957343