821434140 is an even 9-digits composite number following 821434139
and preceding 821434141 . In scientific notation, it is written as 8.21434140 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 219049056 positive integers (up to 821434140) that are relatively prime to 821434140.
821434140 has 24 divisors, whose sum is 2044458752
The reverse of 821434140 is 041434128
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
eight hundred twenty-one million four hundred thirty-four thousand one hundred forty
Scientific notation
8.21434140 × 10^8
Engineering notation
8.21434140 × 10^6
Prime Factorization
2 × 2 × 3 × 15 × 4563523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
410717070
Product of the distinct prime numbers
The prime factorization of 821434140 is 2 × 2 × 3 × 15 × 4563523.
Since it has a total of 5 prime factors.
10 , 3 , 34 , 17 , 574 , 848 , 6032 , 4858 , 17598 , 1141 , 247080 , 320275 , 424663 , 4595499 , 69495610 , 41578829 , 141115230 , 540282777 , 6389449184 , 7868443821
n×2
1642868280
n×3
2464302420
n×4
3285736560
n×5
4107170700
n÷2
410717070
n÷3
273811380
n÷3
205358535
n÷5
164286828
n2
674754046357539600
n3
5.5426600978123E+26
n4
4.5529302307587E+35
n5
3.7399323285833E+44
2 √n
28660.67235778
3 √n
936.53551155311
4 √n
169.29463180438
5 √n
60.661696204769
1 , 2 , 3 , 4 , 6 , 12 , 15 , 30 , 45 , 60 , 90 , 180 , 4563523 , 9127046 , 13690569 , 18254092 , 27381138 , 54762276 , 68452845 , 136905690 , 205358535 , 273811380 , 410717070 , 821434140
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821434139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821434140 can be divided by 24 positive divisors.
The sum of these divisors (counting 821434140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111101100001011100011100
3
Ternary
2010020200011210200
4
Quaternary
300331201130130
5
Quinary
3140241343030
6
Senary
213302103500
8
Octal
6075413434
10
Decimal
821434140
12
Duodecimal
1ab11ab90
16
Hexadecimal
30f6171c
20
Vigesimal
cgdj570
36
Base36
dl26n0
md5
b4549f72705391f6d0feb8c71deb772a
sha1
4cd8ca36a18af18151ec091a21404a72fed7d5b0
sha256
c3a7635b1f3ca5a3283474306d8ea8e62f627a0748fe5540a6bb70451e16b184
sha512
b10106d8cb1c54788c09961ce88c06aa27826e0ee7f146671d88516450dd493813edafb22002e28e2c0b3fbb10200d621948987fd14829c7afe64146ec3710e0
ripemd-160
7f5ec55d36476628cc4e928f9780e3cb91010f23
Diameter
1642868280
Circumference
5161222919.2637
Area
2.1198023550168E+18
Volume
2.3217040326176E+27
Surface area
8.4792094200673E+18
Circumference
5161222919.2637
Perimeter
3285736560
Area
674754046357539600
Diagonal
1161683301.3843
Surface area
4048524278145237600
Volume
5.5426600978123E+26
Space diagonal
1422765665.5516
Perimeter
2464302420
Area
2.9217707272599E+17
Altitude
711382832.77582
Surface area
2.9217707272599E+17
Volume
6.5320875682919E+25
Height
387227767.12809