80821889 is an odd 8-digits composite number following 80821888
and preceding 80821890 . In scientific notation, it is written as 8.0821889 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 79496880 positive integers (up to 80821889) that are relatively prime to 80821889.
80821889 has 4 divisors, whose sum is 82146900
The reverse of 80821889 is 98812808
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty million eight hundred twenty-one thousand eight hundred eighty-nine
Scientific notation
8.0821889 × 10^7
Engineering notation
8.0821889 × 10^6
Prime Factorization
61 × 1324949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80821889
Product of the distinct prime numbers
The prime factorization of 80821889 is 61 × 1324949.
Since it has a total of 2 prime factors.
4 , 9 , 94 , 81 , 437 , 297 , 9313 , 2590 , 46339 , 97532 , 346435 , 393879 , 2540274 , 1134252 , 40706152 , 88478104 , 633505002 , 833570169 , 99920973 , 9692378661
n×2
161643778
n×3
242465667
n×4
323287556
n×5
404109445
n÷2
40410944.5
n÷3
26940629.666667
n÷3
20205472.25
n÷5
16164377.8
n2
6532177741528321
n3
5.2794294435407E+23
n4
4.2669346046918E+31
n5
3.4486171499066E+39
2 √n
8990.0994988932
3 √n
432.3575019212
4 √n
94.816135224408
5 √n
38.150988873151
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821889 can be divided by 4 positive divisors.
The sum of these divisors (counting 80821889) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010011111010000001
3
Ternary
12122002011210022
4
Quaternary
10310103322001
5
Quinary
131142300024
6
Senary
12004143225
8
Octal
464237201
10
Decimal
80821889
12
Duodecimal
23097b15
16
Hexadecimal
4d13e81
20
Vigesimal
1552ee9
36
Base36
1c4akh
md5
df90a1ec579cfc4228f5a300ce6e4997
sha1
f449ad2964b12630f726033d5fbbf04afdae963e
sha256
7e3b983d614bfe095c3b43b9c88e118a7631532454d2924d5f9b789d5e8910c4
sha512
18bcead73730ae24b84f300a80f236115458a4d5e452c148a8fe8b7d9db97f389ec06edc4f7bb3f18b74bb7f45bcb8318ec02463c856eae430b606227509796b
ripemd-160
5ca7a35b61a8b1fc3ec6e958f95bfa08d325a9b4
Diameter
161643778
Circumference
507818905.4633
Area
2.0521441604728E+16
Volume
2.2114422339964E+24
Surface area
8.2085766418913E+16
Circumference
507818905.4633
Perimeter
323287556
Area
6532177741528321
Diagonal
114299411.56041
Surface area
39193066449169926
Volume
5.2794294435407E+23
Space diagonal
139987618.11169
Perimeter
242465667
Area
2.8285159330994E+15
Altitude
69993809.055846
Surface area
2.8285159330994E+15
Volume
6.2218672672059E+22
Height
38099803.853471