1640761686 is an even 10-digits composite number following 1640761685
and preceding 1640761687 . In scientific notation, it is written as 1.640761686 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 546786720 positive integers (up to 1640761686) that are relatively prime to 1640761686.
1640761686 has 16 divisors, whose sum is 2735272080
The reverse of 1640761686 is 6861670461
Previous prime number is 5387
Is Prime? no
Number parity even
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion six hundred forty million seven hundred sixty-one thousand six hundred eighty-six
Scientific notation
1.640761686 × 10^9
Engineering notation
1.640761686 × 10^9
Prime Factorization
2 × 9 × 5387 × 16921
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1640761686
Product of the distinct prime numbers
The prime factorization of 1640761686 is 2 × 9 × 5387 × 16921.
Since it has a total of 4 prime factors.
8 , 1 , 98 , 47 , 677 , 564 , 5811 , 994 , 42 , 34221 , 869654 , 878454 , 2670610 , 545799 , 41490851 , 13248613 , 163995235 , 19446179 , 1659056921 , 6594130411
n×2
3281523372
n×3
4922285058
n×4
6563046744
n×5
8203808430
n÷2
820380843
n÷3
546920562
n÷3
410190421.5
n÷5
328152337.2
n2
2692098910245562596
n3
4.4170927468533E+27
n4
7.2473965425453E+36
n5
1.1891250570257E+46
2 √n
40506.316618523
3 √n
1179.4562480855
4 √n
201.261811128
5 √n
69.664111300654
1 , 2 , 9 , 18 , 5387 , 10774 , 16921 , 33842 , 48483 , 96966 , 152289 , 304578 , 91153427 , 182306854 , 820380843 , 1640761686
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640761685
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640761686 can be divided by 16 positive divisors.
The sum of these divisors (counting 1640761686) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001110011000000100101010110
3
Ternary
11020100101022220100
4
Quaternary
1201303000211112
5
Quinary
11330013333221
6
Senary
430451114530
8
Octal
14163004526
10
Decimal
1640761686
12
Duodecimal
3995a2a46
16
Hexadecimal
61cc0956
20
Vigesimal
15cef446
36
Base36
r4v7ti
md5
e38b153601967656c899776dfcae8205
sha1
b796cb570d93c8dfad5409454a9faf1319c5917f
sha256
2058e769e3645a70e28f226b18b520a7dfea7254e35969ec9477bb523f04e705
sha512
6f49c75f0fa479d3cfbde6fe1d0225e30c5b14c4b324df5d9e12e1608c66e8eb0f7ed629e54387fb1c9548c04d46a4aa589d5c6dd1a7558c2676fb13adfa3046
ripemd-160
ed5e2b518486542c1cca28a7a29287c59fe0441b
Diameter
3281523372
Circumference
10309209718.058
Area
8.4574781591645E+18
Volume
1.8502274831652E+28
Surface area
3.3829912636658E+19
Circumference
10309209718.058
Perimeter
6563046744
Area
2692098910245562596
Diagonal
2320387428.9633
Surface area
1.6152593461473E+19
Volume
4.4170927468533E+27
Space diagonal
2841882603.2644
Perimeter
4922285058
Area
1.1657130228865E+18
Altitude
1420941301.6322
Surface area
1.1657130228865E+18
Volume
5.2055937240498E+26
Height
773462476.32112