1640188991 is an odd 10-digits composite number following 1640188990
and preceding 1640188992 . In scientific notation, it is written as 1.640188991 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 1405599840 positive integers (up to 1640188991) that are relatively prime to 1640188991.
1640188991 has 8 divisors, whose sum is 1874870304
The reverse of 1640188991 is 1998810461
Previous prime number is 5821
Is Prime? no Number parity odd Number length 10 Sum of Digits 47 Digital Root 2
Name
one billion six hundred forty million one hundred eighty-eight thousand nine hundred ninety-one
Scientific notation
1.640188991 × 10^9
Engineering notation
1.640188991 × 10^9
Prime Factorization
7 × 5821 × 40253
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1640188991 Product of the distinct prime numbers
The prime factorization of 1640188991 is 7 × 5821 × 40253.
Since it has a total of 3 prime factors.
10 , 10 , 9 , 84 , 616 , 491 , 7003 , 7254 , 14430 , 80293 , 997479 , 453040 , 5118072 , 9160172 , 89727194 , 38000684 , 801752630 , 623007109 , 9371455199 , 2533078630
n×2
3280377982
n×3
4920566973
n×4
6560755964
n×5
8200944955
n÷2
820094495.5
n÷3
546729663.66667
n÷3
410047247.75
n÷5
328037798.2
n2
2690219926197598081
n3
4.4124691063181E+27
n4
7.2372832513106E+36
n5
1.1870512313548E+46
2 √n40499.246795465
3 √n1179.319005465
4 √n201.24424661457
5 √n69.659247479184
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
-1640188990 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 1640188991 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640188991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110000110100110000111111
3
Ternary
11020022022020022102
4
Quaternary
1201300310300333
5
Quinary
11324342021431
6
Senary
430430535315
8
Octal
14160646077
10
Decimal
1640188991
12
Duodecimal
39936753b
16
Hexadecimal
61c34c3f
20
Vigesimal
15cb3c9b
36
Base36
r4ixxb
md5
3c489f323625f52c3c8ddfdee78ce9e0
sha1
241508c7212f17a14e4662ac1e5639e9d6f91cfd
sha256
bfaa800764c49b11ff083e33e2459711a0d5abdb0905f68ce8d85d8cd56e72c6
sha512
5e91c663ce7f40383a0f747843a487a2aac4a1177057ca6fbd56c8337ea7a2851c909f2a285680d41aae709c27563d64cc2d15bef6ebfde70998cfc38f258d1e
ripemd-160
32301a8fde5630d7a6a720e3d87c5b4d3ae83b21
Diameter
3280377982
Circumference
10305611369.249
Area
8.4515751566832E+18
Volume
1.8482907371468E+28
Surface area
3.3806300626733E+19
Circumference
10305611369.249
Perimeter
6560755964
Area
2690219926197598081
Diagonal
2319577515.9272
Surface area
1.6141319557186E+19
Volume
4.4124691063181E+27
Space diagonal
2840890666.4271
Perimeter
4920566973
Area
1.1648993989271E+18
Altitude
1420445333.2136
Surface area
1.1648993989271E+18
Volume
5.2001447114228E+26
Height
773192505.30908