811421909 is an odd 9-digits prime number following 811421908
and preceding 811421910 . In scientific notation, it is written as 8.11421909 × 10^8.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 811421908 positive integers (up to 811421909) that are relatively prime to 811421909.
811421909 has 2 divisors, whose sum is 811421910
The reverse of 811421909 is 909124118
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 35 Digital Root 8
Name
eight hundred eleven million four hundred twenty-one thousand nine hundred nine
Scientific notation
8.11421909 × 10^8
Engineering notation
8.11421909 × 10^6
Prime Factorization
811421909
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
811421909 Product of the distinct prime numbers
The prime factorization of 811421909 is 811421909.
Since it has a total of 1 prime factors.
4 , 7 , 17 , 23 , 73 , 360 , 6379 , 2771 , 5533 , 95410 , 46764 , 2086 , 6762439 , 5617465 , 53722545 , 39315599 , 492027782 , 236756197 , 4732035372 , 8585620097
n×2
1622843818
n×3
2434265727
n×4
3245687636
n×5
4057109545
n÷2
405710954.5
n÷3
270473969.66667
n÷3
202855477.25
n÷5
162284381.8
n2
658405514405204281
n3
5.342446593948E+26
n4
4.3349782139918E+35
n5
3.5174962978706E+44
2 √n28485.468383019
3 √n932.71488994453
4 √n168.7763857387
5 √n60.513092220847
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
811421910 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
405710955 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
28485.468400572 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999975352 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 811421909 can be divided by 2 positive divisors.
The sum of these divisors (counting 811421909) is 811421910, the average is 405710955.
Base
System
Value
2
Binary
110000010111010101000011010101
3
Ternary
2002112211111121022
4
Quaternary
300113111003111
5
Quinary
3130211000114
6
Senary
212303330525
8
Octal
6027250325
10
Decimal
811421909
12
Duodecimal
1a78b0a45
16
Hexadecimal
305d50d5
20
Vigesimal
cdb7ef9
36
Base36
df3l5h
md5
cc5266eb6eaf04b22a0388822227c5ef
sha1
7e81a17151f9c8a099b80c99b2885ee42b51ca1c
sha256
a3180c05b598d86cdb92b230b657e5c4d2e25d4aa2f8912c0bfb6b3525aeb568
sha512
196fa32d7b6a6317ed05be2196e2ca658cfac31fc23d0560262404a0043bb0d158d7ba57c48513c3d710313c2329fe58824eeb7f3bb6737adeb72438316cdbb8
ripemd-160
3295032a692f42576a37f531044224cbfd78b866
Diameter
1622843818
Circumference
5098314216.5524
Area
2.0684419271384E+18
Volume
2.2378387962324E+27
Surface area
8.2737677085536E+18
Circumference
5098314216.5524
Perimeter
3245687636
Area
658405514405204281
Diagonal
1147523868.5145
Surface area
3950433086431225686
Volume
5.342446593948E+26
Space diagonal
1405423972.7625
Perimeter
2434265727
Area
2.8509795073333E+17
Altitude
702711986.38127
Surface area
2.8509795073333E+17
Volume
6.2961336911793E+25
Height
382507956.17149