1640220821 is an odd 10-digits composite number following 1640220820
and preceding 1640220822 . In scientific notation, it is written as 1.640220821 × 10^9.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 1623311232 positive integers (up to 1640220821) that are relatively prime to 1640220821.
1640220821 has 4 divisors, whose sum is 1657130412
The reverse of 1640220821 is 1280220461
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 26
Digital Root 8
Name
one billion six hundred forty million two hundred twenty thousand eight hundred twenty-one
Scientific notation
1.640220821 × 10^9
Engineering notation
1.640220821 × 10^9
Prime Factorization
97 × 16909493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1640220821
Product of the distinct prime numbers
The prime factorization of 1640220821 is 97 × 16909493.
Since it has a total of 2 prime factors.
9 , 2 , 42 , 1 , 718 , 464 , 6295 , 1832 , 58067 , 23407 , 629625 , 696615 , 4439129 , 2828274 , 91114702 , 71473399 , 293361663 , 303134820 , 6356591351 , 6049962783
n×2
3280441642
n×3
4920662463
n×4
6560883284
n×5
8201104105
n÷2
820110410.5
n÷3
546740273.66667
n÷3
410055205.25
n÷5
328044164.2
n2
2690324341641914041
n3
4.4127260004042E+27
n4
7.237845063231E+36
n5
1.1871664171884E+46
2 √n
40499.63976383
3 √n
1179.3266341552
4 √n
201.24522295903
5 √n
69.659517842739
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
-1640220820
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 1640220821 can be divided by 4 positive divisors.
The sum of these divisors (counting 1640220821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001110000111100100010010101
3
Ternary
11020022100211222022
4
Quaternary
1201300330202111
5
Quinary
11324344031241
6
Senary
430431342525
8
Octal
14160744225
10
Decimal
1640220821
12
Duodecimal
399381a45
16
Hexadecimal
61c3c895
20
Vigesimal
15cb7c11
36
Base36
r4jmhh
md5
64ff181d662dfb526840694620ac75a8
sha1
b798753387bdbf4e1b77eaa062c8fbe2282ddf46
sha256
f791d13bb6f41f6111c98a69ca22f7e690e901d5ee7eae9d76027165fdce6f48
sha512
e40d8f1fb60a4d618cdd228b53d2aa3d3f626445f15a32467b30dfc0f6cc0808e4bf0440dcf74cf142fe3486fc95ff8cd59d9507b04dc5f12e38a2ba3e20255e
ripemd-160
a573b0a5e00f752bca65328ba4b23e778aed4006
Diameter
3280441642
Circumference
10305811363.037
Area
8.451903187476E+18
Volume
1.8483983446899E+28
Surface area
3.3807612749904E+19
Circumference
10305811363.037
Perimeter
6560883284
Area
2690324341641914041
Diagonal
2319622530.3449
Surface area
1.6141946049851E+19
Volume
4.4127260004042E+27
Space diagonal
2840945797.6043
Perimeter
4920662463
Area
1.1649446121408E+18
Altitude
1420472898.8022
Surface area
1.1649446121408E+18
Volume
5.2004474640067E+26
Height
773207510.11498