1640821449 is an odd 10-digits composite number following 1640821448
and preceding 1640821450 . In scientific notation, it is written as 1.640821449 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 1046320880 positive integers (up to 1640821449) that are relatively prime to 1640821449.
1640821449 has 8 divisors, whose sum is 2282882112
The reverse of 1640821449 is 9441280461
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion six hundred forty million eight hundred twenty-one thousand four hundred forty-nine
Scientific notation
1.640821449 × 10^9
Engineering notation
1.640821449 × 10^9
Prime Factorization
3 × 23 × 23780021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640821449
Product of the distinct prime numbers
The prime factorization of 1640821449 is 3 × 23 × 23780021.
Since it has a total of 3 prime factors.
4 , 1 , 51 , 62 , 48 , 471 , 5774 , 3476 , 6386 , 18940 , 925954 , 228887 , 9388645 , 739051 , 94067833 , 45538256 , 577622862 , 887460112 , 3789800573 , 550894342
n×2
3281642898
n×3
4922464347
n×4
6563285796
n×5
8204107245
n÷2
820410724.5
n÷3
546940483
n÷3
410205362.25
n÷5
328164289.8
n2
2692295027498459601
n3
4.4175754281555E+27
n4
7.2484525150929E+36
n5
1.1893416358822E+46
2 √n
40507.054311564
3 √n
1179.4705680582
4 √n
201.26364378984
5 √n
69.664618781499
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
-1640821448
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 1640821449 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640821449) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011001111001011001001
3
Ternary
11020100111100212210
4
Quaternary
1201303033023021
5
Quinary
11330022241244
6
Senary
430452255333
8
Octal
14163171311
10
Decimal
1640821449
12
Duodecimal
399611549
16
Hexadecimal
61ccf2c9
20
Vigesimal
15cf2dc9
36
Base36
r4whxl
md5
35e9d5b3d88fa99d2248cb3468df91d9
sha1
f3517e62ca7760fefe72a3adeebd328c4ffa6a10
sha256
7654c1f9112ca49cffad00e74d4bce045d69004f94f063ad141339560b5309e4
sha512
c09d2410a0c5e53a7ea531072156189872b2f9576be6fc554c87813bb6ec60204ee91f6fe4341da6e9e57a9dba781b20815c3cd79ca0c7e7eb9fb1b6ebc8b2f2
ripemd-160
4247300405951b22bca517c9a322a5f6e8a71315
Diameter
3281642898
Circumference
10309585220.062
Area
8.4580942796855E+18
Volume
1.8504296682363E+28
Surface area
3.3832377118742E+19
Circumference
10309585220.062
Perimeter
6563285796
Area
2692295027498459601
Diagonal
2320471946.6085
Surface area
1.6153770164991E+19
Volume
4.4175754281555E+27
Space diagonal
2841986115.8168
Perimeter
4922464347
Area
1.1657979441481E+18
Altitude
1420993057.9084
Surface area
1.1657979441481E+18
Volume
5.2061625694197E+26
Height
773490648.86949