820161915 is an odd 9-digits composite number following 820161914
and preceding 820161916 . In scientific notation, it is written as 8.20161915 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 433088000 positive integers (up to 820161915) that are relatively prime to 820161915.
820161915 has 16 divisors, whose sum is 1325254176
The reverse of 820161915 is 519161028
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
eight hundred twenty million one hundred sixty-one thousand nine hundred fifteen
Scientific notation
8.20161915 × 10^8
Engineering notation
8.20161915 × 10^6
Prime Factorization
3 × 5 × 101 × 541361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
820161915
Product of the distinct prime numbers
The prime factorization of 820161915 is 3 × 5 × 101 × 541361.
Since it has a total of 4 prime factors.
6 , 8 , 20 , 51 , 428 , 144 , 9625 , 8407 , 65340 , 46049 , 362878 , 217138 , 8817631 , 6814582 , 56211471 , 66337024 , 893599612 , 430501243 , 8720344173 , 5400661876
n×2
1640323830
n×3
2460485745
n×4
3280647660
n×5
4100809575
n÷2
410080957.5
n÷3
273387305
n÷3
205040478.75
n÷5
164032383
n2
672665566816467225
n3
5.5169467943475E+26
n4
4.5247896478052E+35
n5
3.7110601425161E+44
2 √n
28638.469145539
3 √n
936.05176429513
4 √n
169.22904344568
5 √n
60.642894166146
1 , 3 , 5 , 15 , 101 , 303 , 505 , 1515 , 541361 , 1624083 , 2706805 , 8120415 , 54677461 , 164032383 , 273387305 , 820161915
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
-820161914
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 820161915 can be divided by 16 positive divisors.
The sum of these divisors (counting 820161915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111000101010110101111011
3
Ternary
2010011021112122020
4
Quaternary
300320222311323
5
Quinary
3134430140130
6
Senary
213214525523
8
Octal
6070526573
10
Decimal
820161915
12
Duodecimal
1aa8068a3
16
Hexadecimal
30e2ad7b
20
Vigesimal
cg604ff
36
Base36
dkawzf
md5
5cbdeb2f5f39a011f1f70ca1bd887bfd
sha1
02655e0aa395265b26592db067d2d18639c2a33d
sha256
6c02ee0d887e38436c8c7380023ff559e3bcd16b8d4259b6e9119ad0d3cf6e32
sha512
0c6d86bb11680d027bb731f3ae14d9aa1566ec8942f6cc0faffa585144f2122347f98ef54fcfa771d9546a0429ad4a8cf23ba7cde582fc15a729badc30416ba4
ripemd-160
7f8ac62abbaf4ed008f3d9b51ed0cd9cc74aa1cf
Diameter
1640323830
Circumference
5153229293.8363
Area
2.1132412030334E+18
Volume
2.3109332692491E+27
Surface area
8.4529648121337E+18
Circumference
5153229293.8363
Perimeter
3280647660
Area
672665566816467225
Diagonal
1159884103.5349
Surface area
4035993400898803350
Volume
5.5169467943475E+26
Space diagonal
1420562107.213
Perimeter
2460485745
Area
2.9127273455706E+17
Altitude
710281053.60649
Surface area
2.9127273455706E+17
Volume
6.5017841495476E+25
Height
386628034.51163