82870981 is an odd 8-digits composite number following 82870980
and preceding 82870982 . In scientific notation, it is written as 8.2870981 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 82691532 positive integers (up to 82870981) that are relatively prime to 82870981.
82870981 has 4 divisors, whose sum is 83050432
The reverse of 82870981 is 18907828
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-two million eight hundred seventy thousand nine hundred eighty-one
Scientific notation
8.2870981 × 10^7
Engineering notation
8.2870981 × 10^6
Prime Factorization
463 × 178987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82870981
Product of the distinct prime numbers
The prime factorization of 82870981 is 463 × 178987.
Since it has a total of 2 prime factors.
8 , 7 , 23 , 50 , 956 , 992 , 8108 , 2262 , 42591 , 21703 , 833296 , 959586 , 7857403 , 1544065 , 3804910 , 34315829 , 774236301 , 300982967 , 6017149465 , 4727583332
n×2
165741962
n×3
248612943
n×4
331483924
n×5
414354905
n÷2
41435490.5
n÷3
27623660.333333
n÷3
20717745.25
n÷5
16574196.2
n2
6867599491902361
n3
5.6912470700905E+23
n4
4.7163922781178E+31
n5
3.9085205486844E+39
2 √n
9103.3499877792
3 √n
435.98092985356
4 √n
95.411477232979
5 √n
38.342506156728
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
-82870980
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 82870981 can be divided by 4 positive divisors.
The sum of these divisors (counting 82870981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111100001000001011000101
3
Ternary
12202221021121121
4
Quaternary
10330020023011
5
Quinary
132203332411
6
Senary
12120113541
8
Octal
474101305
10
Decimal
82870981
12
Duodecimal
239058b1
16
Hexadecimal
4f082c5
20
Vigesimal
15hih91
36
Base36
1dc7np
md5
2cec46fc18ba3860da8e47461087f252
sha1
fcaa9164fe081c60034f06d56c5700e1edc6f98c
sha256
f1ffe9b0afa48fc7e0c301349f1e7e77400d09bdf80d4606a55cb1149551c461
sha512
45742a1d1fc43886dd07efe748cf454d1d71228159e437c1bd086a263563b35bb4c506013b98ecc8af0330ee449968b0ad6c5dd473b75a362743dd0023e90fae
ripemd-160
8dd2d10adf1cf2d7ca0a1ff873d95eb942f4f20f
Diameter
165741962
Circumference
520693730.21076
Area
2.1575200111557E+16
Volume
2.3839439980214E+24
Surface area
8.630080044623E+16
Circumference
520693730.21076
Perimeter
331483924
Area
6867599491902361
Diagonal
117197265.25736
Surface area
41205596951414166
Volume
5.6912470700905E+23
Space diagonal
143536749.56508
Perimeter
248612943
Area
2.9737578115023E+15
Altitude
71768374.782538
Surface area
2.9737578115023E+15
Volume
6.7071989944484E+22
Height
39065755.085788