1640375981 is an odd 10-digits composite number following 1640375980
and preceding 1640375982 . In scientific notation, it is written as 1.640375981 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1583811264 positive integers (up to 1640375981) that are relatively prime to 1640375981.
1640375981 has 4 divisors, whose sum is 1696940700
The reverse of 1640375981 is 1895730461
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion six hundred forty million three hundred seventy-five thousand nine hundred eighty-one
Scientific notation
1.640375981 × 10^9
Engineering notation
1.640375981 × 10^9
Prime Factorization
29 × 56564689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1640375981
Product of the distinct prime numbers
The prime factorization of 1640375981 is 29 × 56564689.
Since it has a total of 2 prime factors.
8 , 3 , 93 , 30 , 25 , 733 , 974 , 4964 , 31957 , 55890 , 499586 , 30635 , 5034698 , 5175171 , 31608879 , 46578296 , 834177296 , 675087818 , 285762332 , 65190458
n×2
3280751962
n×3
4921127943
n×4
6561503924
n×5
8201879905
n÷2
820187990.5
n÷3
546791993.66667
n÷3
410093995.25
n÷5
328075196.2
n2
2690833359041712361
n3
4.4139784110456E+27
n4
7.2405841661317E+36
n5
1.1877280354531E+46
2 √n
40501.555291124
3 √n
1179.3638199106
4 √n
201.24998208975
5 √n
69.660835709419
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
-1640375980
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 1640375981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1640375981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001110001100010011010101101
3
Ternary
11020022122201210222
4
Quaternary
1201301202122231
5
Quinary
11324414012411
6
Senary
430434541125
8
Octal
14161423255
10
Decimal
1640375981
12
Duodecimal
3994377a5
16
Hexadecimal
61c626ad
20
Vigesimal
15cc6jj1
36
Base36
r4my7h
md5
80b6d251400d4fd55c44cbfc796749b6
sha1
1d2c4a70b5b7457838e807acda1a5d891c39aef7
sha256
b523b5805beb23ebd80b8aa443a7557d1436ef90045d1121b83b54e1822154ba
sha512
cebbb401317c19ca3df05457ba2740fe53d910833c5c3f7123ab5d449e1e90978e7c00662792ed0d84919e861f7509e28c169e4d550f4098f5639ac9d5eab80d
ripemd-160
765a07fc8587a910a3a227f93e2dcb7253e3c0f0
Diameter
3280751962
Circumference
10306786262.069
Area
8.4535023127998E+18
Volume
1.8489229532326E+28
Surface area
3.3814009251199E+19
Circumference
10306786262.069
Perimeter
6561503924
Area
2690833359041712361
Diagonal
2319841959.7213
Surface area
1.614500015425E+19
Volume
4.4139784110456E+27
Space diagonal
2841214542.6076
Perimeter
4921127943
Area
1.1651650231404E+18
Altitude
1420607271.3038
Surface area
1.1651650231404E+18
Volume
5.2019234441022E+26
Height
773280653.24042