1640761681 is an odd 10-digits composite number following 1640761680
and preceding 1640761682 . In scientific notation, it is written as 1.640761681 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1343806464 positive integers (up to 1640761681) that are relatively prime to 1640761681.
1640761681 has 8 divisors, whose sum is 1701403200
The reverse of 1640761681 is 1861670461
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred forty million seven hundred sixty-one thousand six hundred eighty-one
Scientific notation
1.640761681 × 10^9
Engineering notation
1.640761681 × 10^9
Prime Factorization
135031 × 29 × 419
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640761681
Product of the distinct prime numbers
The prime factorization of 1640761681 is 135031 × 29 × 419.
Since it has a total of 3 prime factors.
1 , 7 , 67 , 27 , 234 , 843 , 7159 , 6452 , 52581 , 53631 , 231639 , 860145 , 4057824 , 6930373 , 78720826 , 14940687 , 438514299 , 535739549 , 4387330098 , 9395964908
n×2
3281523362
n×3
4922285043
n×4
6563046724
n×5
8203808405
n÷2
820380840.5
n÷3
546920560.33333
n÷3
410190420.25
n÷5
328152336.2
n2
2692098893837945761
n3
4.4170927064718E+27
n4
7.2473964542035E+36
n5
1.1891250389072E+46
2 √n
40506.316556804
3 √n
1179.4562468874
4 √n
201.26181097467
5 √n
69.664111258196
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
-1640761680
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 1640761681 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640761681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011000000100101010001
3
Ternary
11020100101022220011
4
Quaternary
1201303000211101
5
Quinary
11330013333211
6
Senary
430451114521
8
Octal
14163004521
10
Decimal
1640761681
12
Duodecimal
3995a2a41
16
Hexadecimal
61cc0951
20
Vigesimal
15cef441
36
Base36
r4v7td
md5
7bea5017f4490c53738398c41554beec
sha1
f46a23c8dda8fcc5cefd77225eebc8a6b9910976
sha256
a46be83e11550b0e4b817b6bf47a1b751f9bede1fe43e5b11d6906fb54e41749
sha512
4d2f112651d5006e46ff92d83c4258e8a36f89677789a7301ab8d97a395f10f64a417593892dae17d86ddf047f9b4c81ff68751e75bcbeedbe9af84a327234be
ripemd-160
2464a431400e38235aaa9811e89c69f394d5084f
Diameter
3281523362
Circumference
10309209686.642
Area
8.4574781076185E+18
Volume
1.8502274662502E+28
Surface area
3.3829912430474E+19
Circumference
10309209686.642
Perimeter
6563046724
Area
2692098893837945761
Diagonal
2320387421.8923
Surface area
1.6152593363028E+19
Volume
4.4170927064718E+27
Space diagonal
2841882594.6041
Perimeter
4922285043
Area
1.1657130157818E+18
Altitude
1420941297.3021
Surface area
1.1657130157818E+18
Volume
5.2055936764597E+26
Height
773462473.96409