1640378891 is an odd 10-digits prime number following 1640378890
and preceding 1640378892 . In scientific notation, it is written as 1.640378891 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 1640378890 positive integers (up to 1640378891) that are relatively prime to 1640378891.
1640378891 has 2 divisors, whose sum is 1640378892
The reverse of 1640378891 is 1988730461
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion six hundred forty million three hundred seventy-eight thousand eight hundred ninety-one
Scientific notation
1.640378891 × 10^9
Engineering notation
1.640378891 × 10^9
Prime Factorization
1640378891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1640378891
Product of the distinct prime numbers
The prime factorization of 1640378891 is 1640378891.
Since it has a total of 1 prime factors.
7 , 10 , 55 , 91 , 393 , 598 , 2951 , 8891 , 39674 , 70599 , 644013 , 112296 , 6274368 , 3420087 , 39288598 , 48206864 , 724503160 , 135312881 , 3672443973 , 4342614854
n×2
3280757782
n×3
4921136673
n×4
6561515564
n×5
8201894455
n÷2
820189445.5
n÷3
546792963.66667
n÷3
410094722.75
n÷5
328075778.2
n2
2690842906038389881
n3
4.4140019020625E+27
n4
7.2406355449771E+36
n5
1.1877385705405E+46
2 √n
40501.591215655
3 √n
1179.3645173009
4 √n
201.25007134323
5 √n
69.660860424837
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1640378892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
820189446
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
40501.591228
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999987808
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640378891 can be divided by 2 positive divisors.
The sum of these divisors (counting 1640378891) is 1640378892, the average is 820189446.
Base
System
Value
2
Binary
1100001110001100011001000001011
3
Ternary
11020022122212210202
4
Quaternary
1201301203020023
5
Quinary
11324414111031
6
Senary
430435002415
8
Octal
14161431013
10
Decimal
1640378891
12
Duodecimal
39943940b
16
Hexadecimal
61c6320b
20
Vigesimal
15cc774b
36
Base36
r4n0gb
md5
931df6725a114b493fe2e29f1ae7c47b
sha1
d539ef4f2b967e809a540b8dde27fdc66f311c49
sha256
6f4b8b57f13ff00142ea1f1a8d880c66895dd4d4737a32a2c25c6aebd7119248
sha512
02e883b64883165aee566219919ffb75ca073d09cd4018cfd60594b5caa7c395ea2d6ec903484f8bf579a2207e90ac8860d316df3ef24d9dfdc365956cb8fff5
ripemd-160
b0a37b23987a6ef1490f802c74bd0380984c23c9
Diameter
3280757782
Circumference
10306804546.139
Area
8.4535323055744E+18
Volume
1.8489327931268E+28
Surface area
3.3814129222298E+19
Circumference
10306804546.139
Perimeter
6561515564
Area
2690842906038389881
Diagonal
2319846075.0827
Surface area
1.614505743623E+19
Volume
4.4140019020625E+27
Space diagonal
2841219582.8755
Perimeter
4921136673
Area
1.1651691571112E+18
Altitude
1420609791.4377
Surface area
1.1651691571112E+18
Volume
5.2019511285312E+26
Height
773282025.02758