821420147 is an odd 9-digits composite number following 821420146
and preceding 821420148 . In scientific notation, it is written as 8.21420147 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 821357376 positive integers (up to 821420147) that are relatively prime to 821420147.
821420147 has 4 divisors, whose sum is 821482920
The reverse of 821420147 is 741024128
Previous prime number is 18593
Is Prime? no Number parity odd Number length 9 Sum of Digits 29 Digital Root 2
Name
eight hundred twenty-one million four hundred twenty thousand one hundred forty-seven
Scientific notation
8.21420147 × 10^8
Engineering notation
8.21420147 × 10^6
Prime Factorization
18593 × 44179
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
821420147 Product of the distinct prime numbers
The prime factorization of 821420147 is 18593 × 44179.
Since it has a total of 2 prime factors.
5 , 2 , 18 , 36 , 83 , 304 , 8569 , 4430 , 68074 , 77902 , 610076 , 230771 , 1241160 , 9675772 , 37385602 , 77953426 , 969923730 , 914602556 , 6230063097 , 2622097148
n×2
1642840294
n×3
2464260441
n×4
3285680588
n×5
4107100735
n÷2
410710073.5
n÷3
273806715.66667
n÷3
205355036.75
n÷5
164284029.4
n2
674731057897501609
n3
5.5423768476363E+26
n4
4.5526200049148E+35
n5
3.7396137936723E+44
2 √n28660.428241741
3 √n936.53019361172
4 √n169.29391082299
5 √n60.66148953089
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
-821420146 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 821420147 can be divided by 4 positive divisors.
The sum of these divisors (counting 821420147) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111101011110000001110011
3
Ternary
2010020122110121102
4
Quaternary
300331132001303
5
Quinary
3140240421042
6
Senary
213301515015
8
Octal
6075360163
10
Decimal
821420147
12
Duodecimal
1ab112a6b
16
Hexadecimal
30f5e073
20
Vigesimal
cgdha77
36
Base36
dl1vub
md5
955cd6ab42f9dcc884fc6634d5ac01ca
sha1
8ffaf9459b224472f112a0995dc8873d3f966442
sha256
37995bd286fbdea28ba6363da9648c031d0a6496bfc24fa88c9c2829a367cace
sha512
32b6737b3068fccf2a8764f242a72919422cfbb8faa4d1f1c66073c50692e5a9f2f4d6b81c1a4edae5e77db836f8dcb94adf4d7bfa1654bec0f32f13ccf5525d
ripemd-160
b1f9b509953c414bcc224a434e70c5b30ba09d09
Diameter
1642840294
Circumference
5161134998.6517
Area
2.1197301346397E+18
Volume
2.3215853850614E+27
Surface area
8.4789205385586E+18
Circumference
5161134998.6517
Perimeter
3285680588
Area
674731057897501609
Diagonal
1161663512.2939
Surface area
4048386347385009654
Volume
5.5423768476363E+26
Space diagonal
1422741428.9647
Perimeter
2464260441
Area
2.9216711843079E+17
Altitude
711370714.48235
Surface area
2.9216711843079E+17
Volume
6.5317537547583E+25
Height
387221170.76463