821488993 is an odd 9-digits composite number following 821488992
and preceding 821488994 . In scientific notation, it is written as 8.21488993 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 758297520 positive integers (up to 821488993) that are relatively prime to 821488993.
821488993 has 4 divisors, whose sum is 884680468
The reverse of 821488993 is 399884128
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
eight hundred twenty-one million four hundred eighty-eight thousand nine hundred ninety-three
Scientific notation
8.21488993 × 10^8
Engineering notation
8.21488993 × 10^6
Prime Factorization
13 × 63191461
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
821488993
Product of the distinct prime numbers
The prime factorization of 821488993 is 13 × 63191461.
Since it has a total of 2 prime factors.
10 , 7 , 37 , 55 , 451 , 951 , 5911 , 5613 , 41590 , 2749 , 268112 , 370925 , 110594 , 9163449 , 54233750 , 37634882 , 889663004 , 488028134 , 3727546656 , 4822937512
n×2
1642977986
n×3
2464466979
n×4
3285955972
n×5
4107444965
n÷2
410744496.5
n÷3
273829664.33333
n÷3
205372248.25
n÷5
164297798.6
n2
674844165620154049
n3
5.5437705404723E+26
n4
4.5541464787156E+35
n5
3.7411812047746E+44
2 √n
28661.629280276
3 √n
936.55635746819
4 √n
169.29745798528
5 √n
60.662506345712
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
-821488992
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 821488993 can be divided by 4 positive divisors.
The sum of these divisors (counting 821488993) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111101101110110101100001
3
Ternary
2010020202222001021
4
Quaternary
300331232311201
5
Quinary
3140300121433
6
Senary
213303205441
8
Octal
6075566541
10
Decimal
821488993
12
Duodecimal
1ab146881
16
Hexadecimal
30f6ed61
20
Vigesimal
cge629d
36
Base36
dl3cyp
md5
acd4a7c658ad23764d66893d5250be62
sha1
fc01b914deaaf13d986dc71b39015821d05916ce
sha256
f7aa8c62283a830d60ad6de860d12b26bbb5ea2bc93df8f376d96fb7752f09e0
sha512
a50ddb19c4981077405a208b7ce2b574a880986df9fba5b6d5491a460a44f5bcf183f38470d4ed690fa562cc0a04d5c6f80e6402be2e0a958f6fe08288139268
ripemd-160
dcad10f9b35cc303974bf60fbbbcfa51634f2c87
Diameter
1642977986
Circumference
5161567570.8274
Area
2.1200854730302E+18
Volume
2.3221691737514E+27
Surface area
8.4803418921208E+18
Circumference
5161567570.8274
Perimeter
3285955972
Area
674844165620154049
Diagonal
1161760875.2408
Surface area
4049064993720924294
Volume
5.5437705404723E+26
Space diagonal
1422860673.7346
Perimeter
2464466979
Area
2.9221609551138E+17
Altitude
711430336.8673
Surface area
2.9221609551138E+17
Volume
6.5333962375169E+25
Height
387253625.08027