821000490 is an even 9-digits composite number following 821000489
and preceding 821000491 . In scientific notation, it is written as 8.21000490 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 218933456 positive integers (up to 821000490) that are relatively prime to 821000490.
821000490 has 8 divisors, whose sum is 1313600832
The reverse of 821000490 is 094000128
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 24
Digital Root 6
Name
eight hundred twenty-one million four hundred ninety
Scientific notation
8.21000490 × 10^8
Engineering notation
8.21000490 × 10^6
Prime Factorization
2 × 15 × 27366683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
821000490
Product of the distinct prime numbers
The prime factorization of 821000490 is 2 × 15 × 27366683.
Since it has a total of 3 prime factors.
3 , 1 , 11 , 91 , 159 , 474 , 98 , 6431 , 33316 , 55679 , 830109 , 232477 , 4052395 , 9341761 , 38334939 , 36654418 , 601614269 , 479370049 , 7851064715 , 167614687
n×2
1642000980
n×3
2463001470
n×4
3284001960
n×5
4105002450
n÷2
410500245
n÷3
273666830
n÷3
205250122.5
n÷5
164200098
n2
674041804580240100
n3
5.5338865184086E+26
n4
4.5433235432179E+35
n5
3.7300708552104E+44
2 √n
28653.106114346
3 √n
936.37067784203
4 √n
169.27228395206
5 √n
60.655289969627
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-821000489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 821000490 can be divided by 8 positive divisors.
The sum of these divisors (counting 821000490) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111011110111100100101010
3
Ternary
2010012212010221120
4
Quaternary
300323313210222
5
Quinary
3140134003430
6
Senary
213244520110
8
Octal
6073674452
10
Decimal
821000490
12
Duodecimal
1aab50036
16
Hexadecimal
30ef792a
20
Vigesimal
cgb514a
36
Base36
dksw16
md5
005647bd949605a2b6e95e696dc9bed1
sha1
7847dceaedf0b4e45ff8bec5aa19b8084cac204c
sha256
dc0bbfed81e382fe1f3c4aa5e22a57f1b941fc3aa6087016244ab3393b07d723
sha512
b63cf7582d9483309dc2e30d900e15ae2ce8c665d89794c1e0b0565c6a576d5af82a2fc8d6d68701ebbcb159c8408e74e5f0d649a51b1b59f4e62e64d1a468d2
ripemd-160
cebfe6bcb42fd08b7f1f229209545e172faad2b5
Diameter
1642000980
Circumference
5158498215.9552
Area
2.1175647814817E+18
Volume
2.3180289642709E+27
Surface area
8.4702591259268E+18
Circumference
5158498215.9552
Perimeter
3284001960
Area
674041804580240100
Diagonal
1161070027.673
Surface area
4044250827481440600
Volume
5.5338865184086E+26
Space diagonal
1422014561.7189
Perimeter
2463001470
Area
2.918686629896E+17
Altitude
711007280.85947
Surface area
2.918686629896E+17
Volume
6.5217478058059E+25
Height
387023342.55765