1640221808 is an even 10-digits composite number following 1640221807
and preceding 1640221809 . In scientific notation, it is written as 1.640221808 × 10^9.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 817744704 positive integers (up to 1640221808) that are relatively prime to 1640221808.
1640221808 has 20 divisors, whose sum is 3187098840
The reverse of 1640221808 is 8081220461
Previous prime number is 347
Is Prime? no
Number parity even
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion six hundred forty million two hundred twenty-one thousand eight hundred eight
Scientific notation
1.640221808 × 10^9
Engineering notation
1.640221808 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 347 × 295429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
205027726
Product of the distinct prime numbers
The prime factorization of 1640221808 is 2 × 2 × 2 × 2 × 347 × 295429.
Since it has a total of 6 prime factors.
1 , 10 , 85 , 77 , 489 , 725 , 1967 , 242 , 23440 , 21388 , 506237 , 198235 , 7838050 , 7625613 , 48187294 , 25418964 , 331226498 , 453551969 , 9849187178 , 3085321441
n×2
3280443616
n×3
4920665424
n×4
6560887232
n×5
8201109040
n÷2
820110904
n÷3
546740602.66667
n÷3
410055452
n÷5
328044361.6
n2
2690327579438788864
n3
4.4127339664594E+27
n4
7.237862484689E+36
n5
1.1871699890692E+46
2 √n
40499.651949122
3 √n
1179.3268707077
4 √n
201.24525323376
5 √n
69.659526226236
1 , 2 , 4 , 8 , 16 , 347 , 694 , 1388 , 2776 , 5552 , 295429 , 590858 , 1181716 , 2363432 , 4726864 , 102513863 , 205027726 , 410055452 , 820110904 , 1640221808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640221807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640221808 can be divided by 20 positive divisors.
The sum of these divisors (counting 1640221808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100001110000111100110001110000
3
Ternary
11020022100220022212
4
Quaternary
1201300330301300
5
Quinary
11324344044213
6
Senary
430431351252
8
Octal
14160746160
10
Decimal
1640221808
12
Duodecimal
399382528
16
Hexadecimal
61c3cc70
20
Vigesimal
15cb7ea8
36
Base36
r4jn8w
md5
9348d8783b1c0e7b1d0ac01ac8f86737
sha1
d9189d534eaba878a87f9ab9d14709bdcbe36f58
sha256
aa9ea2b61ddf7c843150558083ca43d05dcaf765a606c3f20102776ce4a34254
sha512
3b8dcd684c6b16e19084536b5654a6ea05e267ab40b7017c303758688774efabdae6a7ab87ff49acbe90a9fb5015aa43a14d01dc05d92bd0bf95ae9eb71aa311
ripemd-160
333ade41b722c8ecb22333f1b858064eaa85636a
Diameter
3280443616
Circumference
10305817564.541
Area
8.4519133593149E+18
Volume
1.8484016815033E+28
Surface area
3.380765343726E+19
Circumference
10305817564.541
Perimeter
6560887232
Area
2690327579438788864
Diagonal
2319623926.1737
Surface area
1.6141965476633E+19
Volume
4.4127339664594E+27
Space diagonal
2840947507.1385
Perimeter
4920665424
Area
1.1649460141479E+18
Altitude
1420473753.5692
Surface area
1.1649460141479E+18
Volume
5.2004568520927E+26
Height
773207975.39124