80821997 is an odd 8-digits composite number following 80821996
and preceding 80821998 . In scientific notation, it is written as 8.0821997 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 79848156 positive integers (up to 80821997) that are relatively prime to 80821997.
80821997 has 4 divisors, whose sum is 81795840
The reverse of 80821997 is 79912808
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty million eight hundred twenty-one thousand nine hundred ninety-seven
Scientific notation
8.0821997 × 10^7
Engineering notation
8.0821997 × 10^6
Prime Factorization
83 × 973759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
80821997
Product of the distinct prime numbers
The prime factorization of 80821997 is 83 × 973759.
Since it has a total of 2 prime factors.
5 , 3 , 99 , 17 , 442 , 774 , 9098 , 6985 , 66807 , 99370 , 651156 , 101211 , 3216958 , 9856445 , 665197 , 30278635 , 27269209 , 343102184 , 882577622 , 2475374291
n×2
161643994
n×3
242465991
n×4
323287988
n×5
404109985
n÷2
40410998.5
n÷3
26940665.666667
n÷3
20205499.25
n÷5
16164399.4
n2
6532195199068009
n3
5.2794506078249E+23
n4
4.2669574118727E+31
n5
3.448640191415E+39
2 √n
8990.1055054988
3 √n
432.35769450348
4 √n
94.816166899421
5 √n
38.150999069162
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
-80821996
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 80821997 can be divided by 4 positive divisors.
The sum of these divisors (counting 80821997) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100010011111011101101
3
Ternary
12122002011221022
4
Quaternary
10310103323231
5
Quinary
131142300442
6
Senary
12004143525
8
Octal
464237355
10
Decimal
80821997
12
Duodecimal
23097ba5
16
Hexadecimal
4d13eed
20
Vigesimal
1552ejh
36
Base36
1c4anh
md5
2944dda1f858f59d3c58e5610668b2f6
sha1
e4dbe2f785178c8cf5c90c7ca5f8617b05929acc
sha256
b4808b49d1c28393e31d9221691ed2bba22c791203f17984054fe602d9fb5dd6
sha512
703bc66619d28e224a4ceaac1c4b1e41ae75b55713f09bfa5573590f0b1d96ed751920e6358783d089e076374bccce43ac961337b90fe740efc0bd774433a17e
ripemd-160
bba745b901de4c07326cee14f61120805fad4e5e
Diameter
161643994
Circumference
507819584.04731
Area
2.0521496449207E+16
Volume
2.211451099271E+24
Surface area
8.2085985796826E+16
Circumference
507819584.04731
Perimeter
323287988
Area
6532195199068009
Diagonal
114299564.29548
Surface area
39193171194408054
Volume
5.2794506078249E+23
Space diagonal
139987805.17318
Perimeter
242465991
Area
2.8285234924358E+15
Altitude
69993902.58659
Surface area
2.8285234924358E+15
Volume
6.221892209554E+22
Height
38099854.765159