1640821657 is an odd 10-digits composite number following 1640821656
and preceding 1640821658 . In scientific notation, it is written as 1.640821657 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1523146752 positive integers (up to 1640821657) that are relatively prime to 1640821657.
1640821657 has 8 divisors, whose sum is 1761141096
The reverse of 1640821657 is 7561280461
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred forty million eight hundred twenty-one thousand six hundred fifty-seven
Scientific notation
1.640821657 × 10^9
Engineering notation
1.640821657 × 10^9
Prime Factorization
17 × 73 × 1322177
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640821657
Product of the distinct prime numbers
The prime factorization of 1640821657 is 17 × 73 × 1322177.
Since it has a total of 3 prime factors.
3 , 5 , 65 , 3 , 911 , 426 , 2198 , 6850 , 39342 , 87167 , 292749 , 575057 , 2276396 , 7630991 , 53449617 , 70771888 , 991920748 , 220258591 , 7642504450 , 8563416633
n×2
3281643314
n×3
4922464971
n×4
6563286628
n×5
8204108285
n÷2
820410828.5
n÷3
546940552.33333
n÷3
410205414.25
n÷5
328164331.4
n2
2692295710080225649
n3
4.4175771081478E+27
n4
7.2484561905164E+36
n5
1.1893423897215E+46
2 √n
40507.056879018
3 √n
1179.4706178971
4 √n
201.26365016818
5 √n
69.664620547716
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
-1640821656
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 1640821657 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640821657) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011001111001110011001
3
Ternary
11020100111101011111
4
Quaternary
1201303033032121
5
Quinary
11330022243112
6
Senary
430452300321
8
Octal
14163171631
10
Decimal
1640821657
12
Duodecimal
3996116a1
16
Hexadecimal
61ccf399
20
Vigesimal
15cf2e2h
36
Base36
r4wi3d
md5
42d2cb09efd3c8c5b12af3fe4650d335
sha1
c2e21194b29f70723061e1639020341fb2664eee
sha256
7853eb22a9edb325b67e759724d1e2cc09071c6fa99e3070cde2ce513b700f72
sha512
70733c1fcca3c552547fa7c6f998911f5daa9f3fc556ee245ebe1afa013e16ab523054c9c42e234f529e1b2da0d5b0c88854809d05f2fbcc2c2615d5ad82d59a
ripemd-160
0ee03c98a35553d36e22dde2269a902b935c0940
Diameter
3281643314
Circumference
10309586526.964
Area
8.4580964240794E+18
Volume
1.8504303719498E+28
Surface area
3.3832385696317E+19
Circumference
10309586526.964
Perimeter
6563286628
Area
2692295710080225649
Diagonal
2320472240.7649
Surface area
1.6153774260481E+19
Volume
4.4175771081478E+27
Space diagonal
2841986476.0834
Perimeter
4922464971
Area
1.1657982397147E+18
Altitude
1420993238.0417
Surface area
1.1657982397147E+18
Volume
5.2061645493096E+26
Height
773490746.92163