83820981 is an odd 8-digits composite number following 83820980
and preceding 83820982 . In scientific notation, it is written as 8.3820981 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 55880652 positive integers (up to 83820981) that are relatively prime to 83820981.
83820981 has 4 divisors, whose sum is 111761312
The reverse of 83820981 is 18902838
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-three million eight hundred twenty thousand nine hundred eighty-one
Scientific notation
8.3820981 × 10^7
Engineering notation
8.3820981 × 10^6
Prime Factorization
3 × 27940327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
83820981
Product of the distinct prime numbers
The prime factorization of 83820981 is 3 × 27940327.
Since it has a total of 2 prime factors.
4 , 7 , 36 , 31 , 73 , 132 , 7140 , 5977 , 57225 , 62471 , 688460 , 505422 , 3208583 , 713411 , 95245364 , 12127480 , 597652450 , 11730239 , 8390701910 , 4019803531
n×2
167641962
n×3
251462943
n×4
335283924
n×5
419104905
n÷2
41910490.5
n÷3
27940327
n÷3
20955245.25
n÷5
16764196.2
n2
7025956855802361
n3
5.8892259611703E+23
n4
4.9364069739596E+31
n5
4.1377447517254E+39
2 √n
9155.3798938111
3 √n
437.64057479932
4 √n
95.68374937162
5 √n
38.430014458596
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
-83820980
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 83820981 can be divided by 4 positive divisors.
The sum of these divisors (counting 83820981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111111110000000110110101
3
Ternary
12211201112202210
4
Quaternary
10333300012311
5
Quinary
132424232411
6
Senary
12152324033
8
Octal
477600665
10
Decimal
83820981
12
Duodecimal
240a3619
16
Hexadecimal
4ff01b5
20
Vigesimal
163hc91
36
Base36
1dwkol
md5
73b9d66882e517ea66f8687d7e77267f
sha1
0a6d0ed2b21217026546e9a4d9859c6ae89b9f43
sha256
dc36d410acfaa7bd69fa2a5b198fe76f528af07a6a8e95e5723e3fbf2a3e03f0
sha512
91ca2d880f676c11c5b8313ad2cfb4d5e0a3dc008cf294703d196d8e74678fd5d28af5343a0960c31820b91824371c3b191bb05da55181f9a0ad6fb1722a3162
ripemd-160
72b99bf653bd946b2c4229f52351826a90b49dd0
Diameter
167641962
Circumference
526662756.25258
Area
2.2072694442628E+16
Volume
2.4668732019924E+24
Surface area
8.829077777051E+16
Circumference
526662756.25258
Perimeter
335283924
Area
7025956855802361
Diagonal
118540768.14162
Surface area
42155741134814166
Volume
5.8892259611703E+23
Space diagonal
145182197.83227
Perimeter
251462943
Area
3.0423285615091E+15
Altitude
72591098.916133
Surface area
3.0423285615091E+15
Volume
6.940519355139E+22
Height
39513589.380539