820161312 is an even 9-digits composite number following 820161311
and preceding 820161313 . In scientific notation, it is written as 8.20161312 × 10^8.
The sum of its digits is 24. It has a total of 7 prime factors and 24 positive divisors.
There are 273387072 positive integers (up to 820161312) that are relatively prime to 820161312.
820161312 has 24 divisors, whose sum is 2152923696
The reverse of 820161312 is 213161028
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 24
Digital Root 6
Name
eight hundred twenty million one hundred sixty-one thousand three hundred twelve
Scientific notation
8.20161312 × 10^8
Engineering notation
8.20161312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 8543347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
51260082
Product of the distinct prime numbers
The prime factorization of 820161312 is 2 × 2 × 2 × 2 × 2 × 3 × 8543347.
Since it has a total of 7 prime factors.
2 , 2 , 97 , 57 , 580 , 793 , 8953 , 2809 , 47198 , 97386 , 493810 , 466319 , 8277500 , 2887240 , 43836088 , 68239993 , 207870105 , 703287256 , 5098910501 , 4865408642
n×2
1640322624
n×3
2460483936
n×4
3280645248
n×5
4100806560
n÷2
410080656
n÷3
273387104
n÷3
205040328
n÷5
164032262.4
n2
672664577701561344
n3
5.5169346258364E+26
n4
4.5247763409442E+35
n5
3.7110465002954E+44
2 √n
28638.45861774
3 √n
936.05153489353
4 √n
169.2290123405
5 √n
60.642885248962
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 8543347 , 17086694 , 25630041 , 34173388 , 51260082 , 68346776 , 102520164 , 136693552 , 205040328 , 273387104 , 410080656 , 820161312
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-820161311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820161312 can be divided by 24 positive divisors.
The sum of these divisors (counting 820161312) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111000101010101100100000
3
Ternary
2010011021111210220
4
Quaternary
300320222230200
5
Quinary
3134430130222
6
Senary
213214523040
8
Octal
6070525440
10
Decimal
820161312
12
Duodecimal
1aa806480
16
Hexadecimal
30e2ab20
20
Vigesimal
cg6035c
36
Base36
dkawio
md5
077054dda849e6dca4f7b6d94a50b510
sha1
58ad486c6249706ae8087677e4486684f6f476a9
sha256
f1e89c3ba10d11544479d8844fb74f778ef7efa250b640d095e05fc2e961fd0d
sha512
1e503eea484cf68368383a82a7009e80826792932c67bd9024e1cc14b308da597b2e1bf6146456b7d2d7315279a99395dd974ae65f1a08310cf1045f3cf14956
ripemd-160
1c86e4f8d51d44018e4ca3d12df175190d5e4abb
Diameter
1640322624
Circumference
5153225505.0755
Area
2.1132380956373E+18
Volume
2.310928172115E+27
Surface area
8.4529523825492E+18
Circumference
5153225505.0755
Perimeter
3280645248
Area
672664577701561344
Diagonal
1159883250.7641
Surface area
4035987466209368064
Volume
5.5169346258364E+26
Space diagonal
1420561062.7863
Perimeter
2460483936
Area
2.9127230625774E+17
Altitude
710280531.39317
Surface area
2.9127230625774E+17
Volume
6.5017698088196E+25
Height
386627750.2547