821420143 is an odd 9-digits prime number following 821420142
and preceding 821420144 . In scientific notation, it is written as 8.21420143 × 10^8.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 821420142 positive integers (up to 821420143) that are relatively prime to 821420143.
821420143 has 2 divisors, whose sum is 821420144
The reverse of 821420143 is 341024128
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
eight hundred twenty-one million four hundred twenty thousand one hundred forty-three
Scientific notation
8.21420143 × 10^8
Engineering notation
8.21420143 × 10^6
Prime Factorization
821420143
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
821420143
Product of the distinct prime numbers
The prime factorization of 821420143 is 821420143.
Since it has a total of 1 prime factors.
1 , 10 , 85 , 50 , 178 , 874 , 2596 , 4759 , 54587 , 64263 , 852041 , 999881 , 1413451 , 4309428 , 67285234 , 8462566 , 801793094 , 462661618 , 1194126287 , 5936825879
n×2
1642840286
n×3
2464260429
n×4
3285680572
n×5
4107100715
n÷2
410710071.5
n÷3
273806714.33333
n÷3
205355035.75
n÷5
164284028.6
n2
674731051326140449
n3
5.5423767666686E+26
n4
4.5526199162368E+35
n5
3.7396137026199E+44
2 √n
28660.428171959
3 √n
936.53019209154
4 √n
169.29391061689
5 √n
60.661489471811
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
821420144
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
410710072
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
28660.428189404
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999975652
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821420143 can be divided by 2 positive divisors.
The sum of these divisors (counting 821420143) is 821420144, the average is 410710072.
Base
System
Value
2
Binary
110000111101011110000001101111
3
Ternary
2010020122110121021
4
Quaternary
300331132001233
5
Quinary
3140240421033
6
Senary
213301515011
8
Octal
6075360157
10
Decimal
821420143
12
Duodecimal
1ab112a67
16
Hexadecimal
30f5e06f
20
Vigesimal
cgdha73
36
Base36
dl1vu7
md5
8c6800be0abca83cc653a6c06dc5d5bf
sha1
a639cd8682ba246308217e9134475d101f5a29b2
sha256
e4e9806596ad74c37609b83e9d03b0067ec9fcff63d855ad800509487bb063b8
sha512
5c007fc61c9cef4e82a655d21fac324007407c7df884b3384ed58eeb67cec57076bf723e7aa4add7ffd4deef017182b92e5b9a9f8b27308e29272681666f01e3
ripemd-160
836369cb166cc808a6fda89a8477e089a8d64fe8
Diameter
1642840286
Circumference
5161134973.519
Area
2.1197301139951E+18
Volume
2.3215853511457E+27
Surface area
8.4789204559805E+18
Circumference
5161134973.519
Perimeter
3285680572
Area
674731051326140449
Diagonal
1161663506.637
Surface area
4048386307956842694
Volume
5.5423767666686E+26
Space diagonal
1422741422.0365
Perimeter
2464260429
Area
2.9216711558531E+17
Altitude
711370711.01825
Surface area
2.9216711558531E+17
Volume
6.5317536593369E+25
Height
387221168.87902