1640821445 is an odd 10-digits composite number following 1640821444
and preceding 1640821446 . In scientific notation, it is written as 1.640821445 × 10^9.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 1299124224 positive integers (up to 1640821445) that are relatively prime to 1640821445.
1640821445 has 8 divisors, whose sum is 1989285144
The reverse of 1640821445 is 5441280461
Previous prime number is 97
Is Prime? no Number parity odd Number length 10 Sum of Digits 35 Digital Root 8
Name
one billion six hundred forty million eight hundred twenty-one thousand four hundred forty-five
Scientific notation
1.640821445 × 10^9
Engineering notation
1.640821445 × 10^9
Prime Factorization
5 × 97 × 3383137
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1640821445 Product of the distinct prime numbers
The prime factorization of 1640821445 is 5 × 97 × 3383137.
Since it has a total of 3 prime factors.
2 , 2 , 51 , 39 , 990 , 107 , 5404 , 4249 , 77851 , 17966 , 122373 , 661169 , 9626135 , 7886864 , 18319911 , 22042320 , 528089371 , 253101871 , 1484574223 , 1052987281
n×2
3281642890
n×3
4922464335
n×4
6563285780
n×5
8204107225
n÷2
820410722.5
n÷3
546940481.66667
n÷3
410205361.25
n÷5
328164289
n2
2692295014371888025
n3
4.417575395848E+27
n4
7.2484524444117E+36
n5
1.1893416213853E+46
2 √n40507.05426219
3 √n1179.4705670998
4 √n201.26364366718
5 √n69.664618747533
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
-1640821444 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 1640821445 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640821445) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011001111001011000101
3
Ternary
11020100111100212122
4
Quaternary
1201303033023011
5
Quinary
11330022241240
6
Senary
430452255325
8
Octal
14163171305
10
Decimal
1640821445
12
Duodecimal
399611545
16
Hexadecimal
61ccf2c5
20
Vigesimal
15cf2dc5
36
Base36
r4whxh
md5
f44670294146ce2936362b3c944d1437
sha1
0d58296cc04704a8f8454ab5d3ab1a1e4e1799e3
sha256
bb32bfb17aae5acf6479c847314ec4d6cc36e3b0947309f442e930fab2ef13cd
sha512
01cf55cb434cd4dbf0deddf75176aac6987cf5c939f5725198014a3e59569bbdc0f07c4ff748b454ad9cc59fa5dd02bbec9f5f9c4b7ebba50eab2cdfaf9b4e0f
ripemd-160
cdb31003e77709eee5e8512d1dff5925c03144b5
Diameter
3281642890
Circumference
10309585194.929
Area
8.4580942384472E+18
Volume
1.8504296547033E+28
Surface area
3.3832376953789E+19
Circumference
10309585194.929
Perimeter
6563285780
Area
2692295014371888025
Diagonal
2320471940.9516
Surface area
1.6153770086231E+19
Volume
4.417575395848E+27
Space diagonal
2841986108.8886
Perimeter
4922464335
Area
1.1657979384641E+18
Altitude
1420993054.4443
Surface area
1.1657979384641E+18
Volume
5.2061625313449E+26
Height
773490646.98387