1640985854 is an even 10-digits composite number following 1640985853
and preceding 1640985855 . In scientific notation, it is written as 1.640985854 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 819363600 positive integers (up to 1640985854) that are relatively prime to 1640985854.
1640985854 has 8 divisors, whose sum is 2464866768
The reverse of 1640985854 is 4585890461
Previous prime number is 727
Is Prime? no
Number parity even
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion six hundred forty million nine hundred eighty-five thousand eight hundred fifty-four
Scientific notation
1.640985854 × 10^9
Engineering notation
1.640985854 × 10^9
Prime Factorization
2 × 727 × 1128601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640985854
Product of the distinct prime numbers
The prime factorization of 1640985854 is 2 × 727 × 1128601.
Since it has a total of 3 prime factors.
9 , 9 , 94 , 87 , 152 , 945 , 626 , 1255 , 17795 , 80076 , 821011 , 898437 , 4610248 , 833013 , 84542136 , 60899140 , 735831819 , 192057390 , 4060264487 , 6516398540
n×2
3281971708
n×3
4922957562
n×4
6563943416
n×5
8204929270
n÷2
820492927
n÷3
546995284.66667
n÷3
410246463.5
n÷5
328197170.8
n2
2692834573028109316
n3
4.4189034415013E+27
n4
7.2513580376955E+36
n5
1.1899375962147E+46
2 √n
40509.08359862
3 √n
1179.5099597875
4 √n
201.26868509189
5 √n
69.666014759428
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
-1640985853
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 1640985854 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640985854) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110011110111010011111110
3
Ternary
11020100210201101212
4
Quaternary
1201303313103332
5
Quinary
11330043021404
6
Senary
430500004422
8
Octal
14163672376
10
Decimal
1640985854
12
Duodecimal
399690712
16
Hexadecimal
61cf74fe
20
Vigesimal
15cg34ce
36
Base36
r500se
md5
ff9be99ba31e9c9f72418d8911baa604
sha1
05772f9b10b264c12543793eec9395b1be5dc362
sha256
84257ecc9bccbc4f73717a58f03a56c628a7ffeee9af19167bbecbcbf8634e1f
sha512
46341f7e6bbc994d7ec7b4fa706b38941ff973b39026a7532cea54d540470ba695ef95c93ce5a96348291b5d16840d2b8411d51bece1e8894ac069cb3bfaee87
ripemd-160
9e5d677d77804d41acde0460470c060d5320198f
Diameter
3281971708
Circumference
10310618207.142
Area
8.4597893119577E+18
Volume
1.8509859451657E+28
Surface area
3.3839157247831E+19
Circumference
10310618207.142
Perimeter
6563943416
Area
2692834573028109316
Diagonal
2320704450.3892
Surface area
1.6157007438169E+19
Volume
4.4189034415013E+27
Space diagonal
2842270873.6298
Perimeter
4922957562
Area
1.1660315742157E+18
Altitude
1421135436.8149
Surface area
1.1660315742157E+18
Volume
5.2077276481569E+26
Height
773568150.12973