820145461 is an odd 9-digits prime number following 820145460
and preceding 820145462 . In scientific notation, it is written as 8.20145461 × 10^8.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 820145460 positive integers (up to 820145461) that are relatively prime to 820145461.
820145461 has 2 divisors, whose sum is 820145462
The reverse of 820145461 is 164541028
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
eight hundred twenty million one hundred forty-five thousand four hundred sixty-one
Scientific notation
8.20145461 × 10^8
Engineering notation
8.20145461 × 10^6
Prime Factorization
820145461
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
820145461
Product of the distinct prime numbers
The prime factorization of 820145461 is 820145461.
Since it has a total of 1 prime factors.
10 , 1 , 10 , 76 , 852 , 120 , 724 , 3232 , 15046 , 82895 , 877787 , 345570 , 9534324 , 1203085 , 74447680 , 30044038 , 817300681 , 56277648 , 4114194581 , 1370786130
n×2
1640290922
n×3
2460436383
n×4
3280581844
n×5
4100727305
n÷2
410072730.5
n÷3
273381820.33333
n÷3
205036365.25
n÷5
164029092.2
n2
672638577198902521
n3
5.5166147598318E+26
n4
4.5244265553616E+35
n5
3.7106879030077E+44
2 √n
28638.181873157
3 √n
936.04550459671
4 √n
169.22819467558
5 √n
60.642650841951
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
820145462
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
410072731
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
28638.181890616
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999975614
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820145461 can be divided by 2 positive divisors.
The sum of these divisors (counting 820145461) is 820145462, the average is 410072731.
Base
System
Value
2
Binary
110000111000100110110100110101
3
Ternary
2010011020201001211
4
Quaternary
300320212310311
5
Quinary
3134424123321
6
Senary
213214321421
8
Octal
6070466465
10
Decimal
820145461
12
Duodecimal
1aa7b9271
16
Hexadecimal
30e26d35
20
Vigesimal
cg5i3d1
36
Base36
dkakad
md5
cbfbe9272ff4f39286eff42b0b7a7fb3
sha1
9047eebd4ebb926d0340352cf7a3ad3186ce717f
sha256
2e9b19d521676ff0db716acf589d84e99f3f37d74750329f613a200ce4c9cbf9
sha512
203aee85081be0b019ee1421222f5e02095eb63871d3df20df52f8dba1aebeabb60b59219894fc7f8f513e10ef398181d31c6b2785de0f0591069a842d7ddbc8
ripemd-160
d2118baa88ec4be19dba669fe43616a09aaa3f97
Diameter
1640290922
Circumference
5153125910.3052
Area
2.1131564126492E+18
Volume
2.3107941869563E+27
Surface area
8.4526256505967E+18
Circumference
5153125910.3052
Perimeter
3280581844
Area
672638577198902521
Diagonal
1159860834.0649
Surface area
4035831463193415126
Volume
5.5166147598318E+26
Space diagonal
1420533608.049
Perimeter
2460436383
Area
2.9126104770983E+17
Altitude
710266804.0245
Surface area
2.9126104770983E+17
Volume
6.5013928431181E+25
Height
386620278.02164