821420141 is an odd 9-digits composite number following 821420140
and preceding 821420142 . In scientific notation, it is written as 8.21420141 × 10^8.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 778187484 positive integers (up to 821420141) that are relatively prime to 821420141.
821420141 has 4 divisors, whose sum is 864652800
The reverse of 821420141 is 141024128
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
eight hundred twenty-one million four hundred twenty thousand one hundred forty-one
Scientific notation
8.21420141 × 10^8
Engineering notation
8.21420141 × 10^6
Prime Factorization
19 × 43232639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
821420141
Product of the distinct prime numbers
The prime factorization of 821420141 is 19 × 43232639.
Since it has a total of 2 prime factors.
3 , 2 , 10 , 37 , 960 , 240 , 9652 , 4578 , 6107 , 43476 , 164560 , 56916 , 4991626 , 2867083 , 23663159 , 16981232 , 917308800 , 764068690 , 9480518287 , 647702007
n×2
1642840282
n×3
2464260423
n×4
3285680564
n×5
4107100705
n÷2
410710070.5
n÷3
273806713.66667
n÷3
205355035.25
n÷5
164284028.2
n2
674731048040459881
n3
5.5423767261847E+26
n4
4.5526198718978E+35
n5
3.7396136570937E+44
2 √n
28660.428137067
3 √n
936.53019133145
4 √n
169.29391051384
5 √n
60.661489442271
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
-821420140
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 821420141 can be divided by 4 positive divisors.
The sum of these divisors (counting 821420141) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111101011110000001101101
3
Ternary
2010020122110121012
4
Quaternary
300331132001231
5
Quinary
3140240421031
6
Senary
213301515005
8
Octal
6075360155
10
Decimal
821420141
12
Duodecimal
1ab112a65
16
Hexadecimal
30f5e06d
20
Vigesimal
cgdha71
36
Base36
dl1vu5
md5
ba130621ba89c758798e7f4b90b915bf
sha1
3edd2072ec1061f71d200bdaec6a4e1f59ad104c
sha256
48bb9ecc42b1ebfd212f6cc277aef90140cd86985f85ee97eedc38addf5ecc1b
sha512
725220767fa03f29ce9d7bee8a7413d3fb70b143942344e19543828e890a0daa0a2cc9e4798ada85b4427a37a2b525ca6a2ea93db7cff68ba3b56a18797a312b
ripemd-160
8e93bf9080d4ded372e776937f708612f994e8ef
Diameter
1642840282
Circumference
5161134960.9526
Area
2.1197301036729E+18
Volume
2.3215853341879E+27
Surface area
8.4789204146914E+18
Circumference
5161134960.9526
Perimeter
3285680564
Area
674731048040459881
Diagonal
1161663503.8086
Surface area
4048386288242759286
Volume
5.5423767261847E+26
Space diagonal
1422741418.5724
Perimeter
2464260423
Area
2.9216711416257E+17
Altitude
711370709.2862
Surface area
2.9216711416257E+17
Volume
6.5317536116262E+25
Height
387221167.93621