813420121 is an odd 9-digits composite number following 813420120
and preceding 813420122 . In scientific notation, it is written as 8.13420121 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 794503332 positive integers (up to 813420121) that are relatively prime to 813420121.
813420121 has 4 divisors, whose sum is 832336912
The reverse of 813420121 is 121024318
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
eight hundred thirteen million four hundred twenty thousand one hundred twenty-one
Scientific notation
8.13420121 × 10^8
Engineering notation
8.13420121 × 10^6
Prime Factorization
43 × 18916747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
813420121
Product of the distinct prime numbers
The prime factorization of 813420121 is 43 × 18916747.
Since it has a total of 2 prime factors.
4 , 8 , 45 , 39 , 175 , 890 , 9856 , 7774 , 81411 , 15067 , 999865 , 846823 , 7199198 , 1090666 , 16988676 , 57639671 , 369499594 , 663669201 , 187647056 , 4326911635
n×2
1626840242
n×3
2440260363
n×4
3253680484
n×5
4067100605
n÷2
406710060.5
n÷3
271140040.33333
n÷3
203355030.25
n÷5
162684024.2
n2
661652293247654641
n3
5.3820128843343E+26
n4
4.3778375715988E+35
n5
3.5610211672082E+44
2 √n
28520.52105064
3 √n
933.47989856751
4 √n
168.88019733124
5 √n
60.542866879891
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
-813420120
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 813420121 can be divided by 4 positive divisors.
The sum of these divisors (counting 813420121) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011110111100111001011001
3
Ternary
2002200121000122011
4
Quaternary
300132330321121
5
Quinary
3131213420441
6
Senary
212414225521
8
Octal
6036747131
10
Decimal
813420121
12
Duodecimal
1a84b52a1
16
Hexadecimal
307bce59
20
Vigesimal
ce3ha61
36
Base36
dgaezd
md5
1b568d1eda295b70fccf584956766ae3
sha1
5bfafbc77ee3e599b31b079388208c5e72cd26e9
sha256
543154998885c5adb50dddcb91fdd86105c41c8522154fedf465ece24f389539
sha512
8baa3f9fe805eaad26cf9421a057c3e20793623e840f4fb3a7d9cdf261f53c959032f120177657de69b279d15507b48a5c2aa69b83b2a9aa879fd85780b148dd
ripemd-160
82c5e1724529b21e7a67845c4f2b9dbe88c531db
Diameter
1626840242
Circumference
5110869352.8314
Area
2.0786419836977E+18
Volume
2.2544122851934E+27
Surface area
8.3145679347907E+18
Circumference
5110869352.8314
Perimeter
3253680484
Area
661652293247654641
Diagonal
1150349767.0254
Surface area
3969913759485927846
Volume
5.3820128843343E+26
Space diagonal
1408884977.4708
Perimeter
2440260363
Area
2.8650384721235E+17
Altitude
704442488.73541
Surface area
2.8650384721235E+17
Volume
6.342763011577E+25
Height
383449922.34179