1640155891 is an odd 10-digits composite number following 1640155890
and preceding 1640155892 . In scientific notation, it is written as 1.640155891 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1490674920 positive integers (up to 1640155891) that are relatively prime to 1640155891.
1640155891 has 8 divisors, whose sum is 1789712064
The reverse of 1640155891 is 1985510461
Previous prime number is 4507
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred forty million one hundred fifty-five thousand eight hundred ninety-one
Scientific notation
1.640155891 × 10^9
Engineering notation
1.640155891 × 10^9
Prime Factorization
11 × 4507 × 33083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640155891
Product of the distinct prime numbers
The prime factorization of 1640155891 is 11 × 4507 × 33083.
Since it has a total of 3 prime factors.
8 , 2 , 62 , 87 , 234 , 16 , 9517 , 614 , 36371 , 28218 , 100158 , 889476 , 790481 , 6474345 , 90155071 , 97321262 , 843353644 , 950879588 , 841506595 , 4006290503
n×2
3280311782
n×3
4920467673
n×4
6560623564
n×5
8200779455
n÷2
820077945.5
n÷3
546718630.33333
n÷3
410038972.75
n÷5
328031178.2
n2
2690111346782003881
n3
4.4122019728704E+27
n4
7.2366990580853E+36
n5
1.1869314591513E+46
2 √n
40498.838143828
3 √n
1179.3110722894
4 √n
201.24323129941
5 √n
69.658966323815
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
-1640155890
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 1640155891 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640155891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110000101100101011110011
3
Ternary
11020022020112220111
4
Quaternary
1201300230223303
5
Quinary
11324334442031
6
Senary
430430122151
8
Octal
14160545363
10
Decimal
1640155891
12
Duodecimal
399350357
16
Hexadecimal
61c2caf3
20
Vigesimal
15caj9eb
36
Base36
r4i8dv
md5
4e53b1ce9795a43069b2e6ad3f56fb92
sha1
da1001e9d38c0e128ce967fe6ec2454c808d9a3f
sha256
8256388cd00d9f938534f307010614018af31deb99796ea308e5ed0e5d6f3b4a
sha512
c19e4e09a3bc590722eb01ccd14169954da05ade99d76d7a83e0a468d36e093f3041963f9e38f59c62f751477f29cae9c262a6117ab9a520bc1be513bc8c50fe
ripemd-160
fce955eaca2248669b86cbfeebacd6d1cd3511d0
Diameter
3280311782
Circumference
10305403395.815
Area
8.4512340443889E+18
Volume
1.8481788405499E+28
Surface area
3.3804936177556E+19
Circumference
10305403395.815
Perimeter
6560623564
Area
2690111346782003881
Diagonal
2319530705.4583
Surface area
1.6140668080692E+19
Volume
4.4122019728704E+27
Space diagonal
2840833335.5454
Perimeter
4920467673
Area
1.164852382661E+18
Altitude
1420416667.7727
Surface area
1.164852382661E+18
Volume
5.1998298916356E+26
Height
773176901.81944