82738981 is an odd 8-digits composite number following 82738980
and preceding 82738982 . In scientific notation, it is written as 8.2738981 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 72572544 positive integers (up to 82738981) that are relatively prime to 82738981.
82738981 has 16 divisors, whose sum is 93590784
The reverse of 82738981 is 18983728
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-two million seven hundred thirty-eight thousand nine hundred eighty-one
Scientific notation
8.2738981 × 10^7
Engineering notation
8.2738981 × 10^6
Prime Factorization
13 × 23 × 167 × 1657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82738981
Product of the distinct prime numbers
The prime factorization of 82738981 is 13 × 23 × 167 × 1657.
Since it has a total of 4 prime factors.
10 , 8 , 75 , 45 , 365 , 198 , 4810 , 437 , 11398 , 96615 , 6624 , 337636 , 2355310 , 8280253 , 85437960 , 78877891 , 144590608 , 861515653 , 1825804495 , 7681504556
n×2
165477962
n×3
248216943
n×4
330955924
n×5
413694905
n÷2
41369490.5
n÷3
27579660.333333
n÷3
20684745.25
n÷5
16547796.2
n2
6845738976918361
n3
5.6640946714221E+23
n4
4.6864142140099E+31
n5
3.877491366111E+39
2 √n
9096.097020151
3 √n
435.74932459291
4 √n
95.373460774741
5 √n
38.330283691129
1 , 13 , 23 , 167 , 299 , 1657 , 2171 , 3841 , 21541 , 38111 , 49933 , 276719 , 495443 , 3597347 , 6364537 , 82738981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82738980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82738981 can be divided by 16 positive divisors.
The sum of these divisors (counting 82738981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011100111111100100101
3
Ternary
12202200120112201
4
Quaternary
10323213330211
5
Quinary
132140121411
6
Senary
12113214501
8
Octal
473477445
10
Decimal
82738981
12
Duodecimal
23861431
16
Hexadecimal
4ee7f25
20
Vigesimal
15h2791
36
Base36
1d9dt1
md5
4fdbb3f1cc3bcbcc6f4041de1f35f993
sha1
6f4b602419cdfa547192fee3ff2e0703653aeb1e
sha256
1be12e3083aa3722de054cd49cdd817d114464d3a220dc949b2503c457cbbed1
sha512
1a390f507b21cc1d00a7de89cb7b6ba944ddda0eba33f7553a57eb8e5ad0d72e4992d69e20e4e5e8d4d2a309ccfe180c7c3f22d94ecbdce9a6f3973f22664675
ripemd-160
1c7fa8692487224c0d52361560c4b1abca2a661b
Diameter
165477962
Circumference
519864349.75021
Area
2.150652327828E+16
Volume
2.3725704278636E+24
Surface area
8.602609311312E+16
Circumference
519864349.75021
Perimeter
330955924
Area
6845738976918361
Diagonal
117010589.06713
Surface area
41074433861510166
Volume
5.6640946714221E+23
Space diagonal
143308118.85848
Perimeter
248216943
Area
2.9642919308443E+15
Altitude
71654059.429238
Surface area
2.9642919308443E+15
Volume
6.6751995857419E+22
Height
39003529.689043