821542012 is an even 9-digits composite number following 821542011
and preceding 821542013 . In scientific notation, it is written as 8.21542012 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 410588640 positive integers (up to 821542012) that are relatively prime to 821542012.
821542012 has 12 divisors, whose sum is 1438336816
The reverse of 821542012 is 210245128
Previous prime number is 2311
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
eight hundred twenty-one million five hundred forty-two thousand twelve
Scientific notation
8.21542012 × 10^8
Engineering notation
8.21542012 × 10^6
Prime Factorization
2 × 2 × 2311 × 88873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
410771006
Product of the distinct prime numbers
The prime factorization of 821542012 is 2 × 2 × 2311 × 88873.
Since it has a total of 4 prime factors.
4 , 8 , 40 , 28 , 361 , 608 , 7969 , 3014 , 44794 , 57936 , 792476 , 904486 , 4780065 , 9991617 , 73352926 , 65500597 , 877138314 , 378482092 , 8413566871 , 320864717
n×2
1643084024
n×3
2464626036
n×4
3286168048
n×5
4107710060
n÷2
410771006
n÷3
273847337.33333
n÷3
205385503
n÷5
164308402.4
n2
674931277481008144
n3
5.5448439966348E+26
n4
4.5553222932215E+35
n5
3.7423886420816E+44
2 √n
28662.554177882
3 √n
936.576505522
4 √n
169.30018953882
5 √n
60.663289358613
1 , 2 , 4 , 2311 , 4622 , 9244 , 88873 , 177746 , 355492 , 205385503 , 410771006 , 821542012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821542011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821542012 can be divided by 12 positive divisors.
The sum of these divisors (counting 821542012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111101111011110001111100
3
Ternary
2010020212122202221
4
Quaternary
300331323301330
5
Quinary
3140303321022
6
Senary
213304255124
8
Octal
6075736174
10
Decimal
821542012
12
Duodecimal
1ab1714a4
16
Hexadecimal
30f7bc7c
20
Vigesimal
cgecf0c
36
Base36
dl4hvg
md5
a714b32ac7c9359105d75c82955f37f3
sha1
813f6b0439df0ca893c472a508205b0f25d887f7
sha256
b453769dcf5eead9a766e32cf889c4db3cc81c615336c388a686f5338e2b27e3
sha512
89775b40a4f8fcfd00ac3910cbc816ba8b2080e574ac071db2a2fc5a12547f3229dee35babb0aadce852e24d1703ede18e73b3e9dbd1b216928406215dbd218f
ripemd-160
2f44506b5b87e60e4ac9cfd7da7a8488e53cb6d5
Diameter
1643084024
Circumference
5161900699.0292
Area
2.1203591430123E+18
Volume
2.3226188220172E+27
Surface area
8.4814365720492E+18
Circumference
5161900699.0292
Perimeter
3286168048
Area
674931277481008144
Diagonal
1161835855.4297
Surface area
4049587664886048864
Volume
5.5448439966348E+26
Space diagonal
1422952505.3364
Perimeter
2464626036
Area
2.9225381605362E+17
Altitude
711476252.66818
Surface area
2.9225381605362E+17
Volume
6.5346613177366E+25
Height
387278618.47656