80821812 is an even 8-digits composite number following 80821811
and preceding 80821813 . In scientific notation, it is written as 8.0821812 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 26940600 positive integers (up to 80821812) that are relatively prime to 80821812.
80821812 has 12 divisors, whose sum is 188584256
The reverse of 80821812 is 21812808
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty million eight hundred twenty-one thousand eight hundred twelve
Scientific notation
8.0821812 × 10^7
Engineering notation
8.0821812 × 10^6
Prime Factorization
2 × 2 × 3 × 6735151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40410906
Product of the distinct prime numbers
The prime factorization of 80821812 is 2 × 2 × 3 × 6735151.
Since it has a total of 4 prime factors.
10 , 6 , 65 , 14 , 138 , 778 , 7448 , 150 , 70844 , 65849 , 214225 , 13765 , 8390435 , 1645978 , 94255482 , 47471021 , 762241725 , 976644891 , 2456588893 , 387722520
n×2
161643624
n×3
242465436
n×4
323287248
n×5
404109060
n÷2
40410906
n÷3
26940604
n÷3
20205453
n÷5
16164362.4
n2
6532165294963344
n3
5.2794143542245E+23
n4
4.2669183440724E+31
n5
3.4486007222397E+39
2 √n
8990.0952164034
3 √n
432.35736461707
4 √n
94.816112641278
5 √n
38.150981603765
1 , 2 , 3 , 4 , 6 , 12 , 6735151 , 13470302 , 20205453 , 26940604 , 40410906 , 80821812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821812 can be divided by 12 positive divisors.
The sum of these divisors (counting 80821812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110100010011111000110100
3
Ternary
12122002011200110
4
Quaternary
10310103320310
5
Quinary
131142244222
6
Senary
12004143020
8
Octal
464237064
10
Decimal
80821812
12
Duodecimal
23097a70
16
Hexadecimal
4d13e34
20
Vigesimal
1552eac
36
Base36
1c4aic
md5
1579398cf68bef89e58675ae4699af37
sha1
b0f89f51c0a62d3680428d642e0ad6f89a8e9827
sha256
e0c138604c3ae4440d23379d5f50650a540af997675220d60ccb8781803c2dd7
sha512
03b06fda40b0d65476da0c0b57eaeb93626d639fc06d0afbaa969a0772c336c9781cb5ec49d457f29f0c8f91ec49cee0e64c79436099115513ade5f3dba79900
ripemd-160
179cc2c21125585a75225a82c21c0e7371667c12
Diameter
161643624
Circumference
507818421.65803
Area
2.0521402502691E+16
Volume
2.2114359133984E+24
Surface area
8.2085610010764E+16
Circumference
507818421.65803
Perimeter
323287248
Area
6532165294963344
Diagonal
114299302.66597
Surface area
39192991769780064
Volume
5.2794143542245E+23
Space diagonal
139987484.74378
Perimeter
242465436
Area
2.8285105435787E+15
Altitude
69993742.37189
Surface area
2.8285105435787E+15
Volume
6.2218494842763E+22
Height
38099767.555323