1640871245 is an odd 10-digits composite number following 1640871244
and preceding 1640871246 . In scientific notation, it is written as 1.640871245 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 1211720256 positive integers (up to 1640871245) that are relatively prime to 1640871245.
1640871245 has 8 divisors, whose sum is 2120510616
The reverse of 1640871245 is 5421780461
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion six hundred forty million eight hundred seventy-one thousand two hundred forty-five
Scientific notation
1.640871245 × 10^9
Engineering notation
1.640871245 × 10^9
Prime Factorization
5 × 13 × 25244173
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640871245
Product of the distinct prime numbers
The prime factorization of 1640871245 is 5 × 13 × 25244173.
Since it has a total of 3 prime factors.
3 , 10 , 81 , 11 , 680 , 311 , 8267 , 2863 , 7904 , 27177 , 966423 , 487754 , 9231542 , 8894543 , 13182675 , 36659459 , 78013722 , 420019756 , 396588793 , 8178321646
n×2
3281742490
n×3
4922613735
n×4
6563484980
n×5
8204356225
n÷2
820435622.5
n÷3
546957081.66667
n÷3
410217811.25
n÷5
328174249
n2
2692458442667850025
n3
4.4179776369312E+27
n4
7.2493324654934E+36
n5
1.1895221188073E+46
2 √n
40507.668965271
3 √n
1179.4824995458
4 √n
201.26517077048
5 √n
69.665041615713
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
-1640871244
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 1640871245 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640871245) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011011011010101001101
3
Ternary
11020100120220012002
4
Quaternary
1201303123111031
5
Quinary
11330030334440
6
Senary
430453322045
8
Octal
14163332515
10
Decimal
1640871245
12
Duodecimal
399636325
16
Hexadecimal
61cdb54d
20
Vigesimal
15cf8i25
36
Base36
r4xkct
md5
8e4ce1256294663acdb55cc809c3c1e7
sha1
6fd0f6d09ce8ea59174b5850ba70526b13aa3224
sha256
86c565a4ef20f12a2385a33bb404eab9666dd7d29cf9975baeec3bf85aef2776
sha512
e7e51b002c6bf489f7544969a1a43f588ae1d7de7ed9b5e361220e91ee9fb299b2ad473962d41dbf65d48b3ee4656679f4bdc9afb02b388905ed1d898790ac4a
ripemd-160
dc6d9ae178b032c61f1810415706a6b5f563f7e8
Diameter
3281742490
Circumference
10309898097.557
Area
8.4586076635811E+18
Volume
1.8505981450543E+28
Surface area
3.3834430654325E+19
Circumference
10309898097.557
Perimeter
6563484980
Area
2692458442667850025
Diagonal
2320542368.787
Surface area
1.6154750656007E+19
Volume
4.4179776369312E+27
Space diagonal
2842072365.0188
Perimeter
4922613735
Area
1.1658687049921E+18
Altitude
1421036182.5094
Surface area
1.1658687049921E+18
Volume
5.2066365770076E+26
Height
773514122.92901