820512961 is an odd 9-digits prime number following 820512960
and preceding 820512962 . In scientific notation, it is written as 8.20512961 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 820512960 positive integers (up to 820512961) that are relatively prime to 820512961.
820512961 has 2 divisors, whose sum is 820512962
The reverse of 820512961 is 169215028
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 34 Digital Root 7
Name
eight hundred twenty million five hundred twelve thousand nine hundred sixty-one
Scientific notation
8.20512961 × 10^8
Engineering notation
8.20512961 × 10^6
Prime Factorization
820512961
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
820512961 Product of the distinct prime numbers
The prime factorization of 820512961 is 820512961.
Since it has a total of 1 prime factors.
6 , 5 , 70 , 11 , 235 , 653 , 3045 , 575 , 95488 , 70400 , 425 , 15013 , 3767072 , 8752149 , 43509338 , 81720959 , 793280360 , 433780896 , 7709927613 , 3804322582
n×2
1641025922
n×3
2461538883
n×4
3282051844
n×5
4102564805
n÷2
410256480.5
n÷3
273504320.33333
n÷3
205128240.25
n÷5
164102592.2
n2
673241519168987521
n3
5.5240339236148E+26
n4
4.5325414313297E+35
n5
3.7190089906755E+44
2 √n28644.597413823
3 √n936.18529498408
4 √n169.24714890899
5 √n60.648084556292
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
820512962 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
410256481 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
28644.597431278 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999975625 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820512961 can be divided by 2 positive divisors.
The sum of these divisors (counting 820512961) is 820512962, the average is 410256481.
Base
System
Value
2
Binary
110000111010000000100011000001
3
Ternary
2010011221101011221
4
Quaternary
300322000203001
5
Quinary
3140022403321
6
Senary
213230235041
8
Octal
6072004301
10
Decimal
820512961
12
Duodecimal
1aa955a81
16
Hexadecimal
30e808c1
20
Vigesimal
cg84281
36
Base36
dkifup
md5
778a6814a52be5a3149a2f8ef5268ba4
sha1
7a37ac09cfcb7a68c490c4dc119183d615af62f7
sha256
5eb9906e095aba2e8f53c53a7d1e356c4f61953d482935d84b65753d3a5c5530
sha512
0783ca05a537315edde15c6a77537a1abd96836d4f0364a4b9b4b9255456ed459b74c2cb05b0e7ff4fa05b5fa58989f828e4812d42ae64522642900a7e192819
ripemd-160
33a13deb92358a9d92cf4fea5b4d1c74e340088a
Diameter
1641025922
Circumference
5155434980.9056
Area
2.1150506107129E+18
Volume
2.3139019190146E+27
Surface area
8.4602024428517E+18
Circumference
5155434980.9056
Perimeter
3282051844
Area
673241519168987521
Diagonal
1160380557.5491
Surface area
4039449115013925126
Volume
5.5240339236148E+26
Space diagonal
1421170136.7208
Perimeter
2461538883
Area
2.9152212924139E+17
Altitude
710585068.36039
Surface area
2.9152212924139E+17
Volume
6.5101364114876E+25
Height
386793519.18304