820161253 is an odd 9-digits composite number following 820161252
and preceding 820161254 . In scientific notation, it is written as 8.20161253 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 800157280 positive integers (up to 820161253) that are relatively prime to 820161253.
820161253 has 4 divisors, whose sum is 840165228
The reverse of 820161253 is 352161028
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
eight hundred twenty million one hundred sixty-one thousand two hundred fifty-three
Scientific notation
8.20161253 × 10^8
Engineering notation
8.20161253 × 10^6
Prime Factorization
41 × 20003933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
820161253
Product of the distinct prime numbers
The prime factorization of 820161253 is 41 × 20003933.
Since it has a total of 2 prime factors.
4 , 5 , 21 , 46 , 277 , 365 , 1730 , 7763 , 89274 , 65984 , 827436 , 210089 , 5871328 , 8866567 , 42198459 , 83946306 , 558114407 , 480094623 , 2079158853 , 4662128247
n×2
1640322506
n×3
2460483759
n×4
3280645012
n×5
4100806265
n÷2
410080626.5
n÷3
273387084.33333
n÷3
205040313.25
n÷5
164032250.6
n2
672664480922530009
n3
5.5169334352202E+26
n4
4.5247750389478E+35
n5
3.7110451654865E+44
2 √n
28638.457587656
3 √n
936.05151244793
4 √n
169.22900929704
5 √n
60.642884376467
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
-820161252
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 820161253 can be divided by 4 positive divisors.
The sum of these divisors (counting 820161253) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111000101010101011100101
3
Ternary
2010011021111201201
4
Quaternary
300320222223211
5
Quinary
3134430130003
6
Senary
213214522501
8
Octal
6070525345
10
Decimal
820161253
12
Duodecimal
1aa806431
16
Hexadecimal
30e2aae5
20
Vigesimal
cg6032d
36
Base36
dkawh1
md5
3e0eebed4b93cfec5d0e8ffef45602d0
sha1
0b846198d83274b0bbadd08ca1e1c473e3a2185c
sha256
6e79e7486d26476da43bd62a814f38808da2dc277a010b682edf30aedfebde38
sha512
c909037d52c4d54e1a62ffae757c0f30259bdbdacc80cb13f4fd4c0bd27db2396cec222a610755f5de8230e8d18830fb95f0b0f4cbd5a34053eb0a9db04a258d
ripemd-160
8546b242e471b8c2df345419dc4fdf5faa98a669
Diameter
1640322506
Circumference
5153225134.3676
Area
2.113237791597E+18
Volume
2.3109276733909E+27
Surface area
8.452951166388E+18
Circumference
5153225134.3676
Perimeter
3280645012
Area
672664480922530009
Diagonal
1159883167.3255
Surface area
4035986885535180054
Volume
5.5169334352202E+26
Space diagonal
1420560960.5954
Perimeter
2460483759
Area
2.9127226435119E+17
Altitude
710280480.29768
Surface area
2.9127226435119E+17
Volume
6.501768405665E+25
Height
386627722.44184