1640809538 is an even 10-digits composite number following 1640809537
and preceding 1640809539 . In scientific notation, it is written as 1.640809538 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 820404768 positive integers (up to 1640809538) that are relatively prime to 1640809538.
1640809538 has 4 divisors, whose sum is 2461214310
The reverse of 1640809538 is 8359080461
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion six hundred forty million eight hundred nine thousand five hundred thirty-eight
Scientific notation
1.640809538 × 10^9
Engineering notation
1.640809538 × 10^9
Prime Factorization
2 × 820404769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1640809538
Product of the distinct prime numbers
The prime factorization of 1640809538 is 2 × 820404769.
Since it has a total of 2 prime factors.
2 , 9 , 79 , 86 , 47 , 765 , 1737 , 8111 , 59808 , 44553 , 148190 , 454881 , 5177431 , 6344135 , 76264016 , 2887535 , 604008718 , 421768793 , 8936689660 , 5815061117
n×2
3281619076
n×3
4922428614
n×4
6563238152
n×5
8204047690
n÷2
820404769
n÷3
546936512.66667
n÷3
410202384.5
n÷5
328161907.6
n2
2692255939991773444
n3
4.4174792250757E+27
n4
7.248242046421E+36
n5
1.18929846835E+46
2 √n
40506.907287523
3 √n
1179.4677140593
4 √n
201.26327853715
5 √n
69.664517639758
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
-1640809537
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 1640809538 can be divided by 4 positive divisors.
The sum of these divisors (counting 1640809538) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001110011001100010001000010
3
Ternary
11020100110202112122
4
Quaternary
1201303030101002
5
Quinary
11330021401123
6
Senary
430452124242
8
Octal
14163142102
10
Decimal
1640809538
12
Duodecimal
399606682
16
Hexadecimal
61ccc442
20
Vigesimal
15cf13gi
36
Base36
r4w8qq
md5
c5e77aa9290cb59c446d4ee13bdfb35c
sha1
6a2d922822f2e520fd7f1f8e7910cb4b052a684c
sha256
641d5a28d75737384af70c56d97cbf9c0b065ca2d7063ed93b4e63c148dc5cb2
sha512
70693562d5caf021e633d16217594158c29b4eebd28d5bf01715a83c2266930b298124f739a83002ded69acfe3edcf9c1c3589b82d669e223ec042afd683a2dc
ripemd-160
467ddaff4c8c61342120a5a74606c01af9f6ee58
Diameter
3281619076
Circumference
10309510381.042
Area
8.4579714826616E+18
Volume
1.8503893707844E+28
Surface area
3.3831885930647E+19
Circumference
10309510381.042
Perimeter
6563238152
Area
2692255939991773444
Diagonal
2320455101.9107
Surface area
1.6153535639951E+19
Volume
4.4174792250757E+27
Space diagonal
2841965485.3596
Perimeter
4922428614
Area
1.1657810187612E+18
Altitude
1420982742.6798
Surface area
1.1657810187612E+18
Volume
5.2060491930028E+26
Height
773485033.97024