1645493085 is an odd 10-digits composite number following 1645493084
and preceding 1645493086 . In scientific notation, it is written as 1.645493085 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 875058912 positive integers (up to 1645493085) that are relatively prime to 1645493085.
1645493085 has 16 divisors, whose sum is 2200334400
The reverse of 1645493085 is 5803945461
Previous prime number is 347
Is Prime? no Number parity odd Number length 10 Sum of Digits 45 Digital Root 9
Name
one billion six hundred forty-five million four hundred ninety-three thousand eighty-five
Scientific notation
1.645493085 × 10^9
Engineering notation
1.645493085 × 10^9
Prime Factorization
9 × 5 × 347 × 105379
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1645493085 Product of the distinct prime numbers
The prime factorization of 1645493085 is 9 × 5 × 347 × 105379.
Since it has a total of 4 prime factors.
3 , 10 , 91 , 3 , 40 , 367 , 612 , 6509 , 85349 , 45126 , 909757 , 218095 , 2691762 , 9926790 , 16363008 , 51226593 , 381364423 , 979266745 , 1488571023 , 5894169852
n×2
3290986170
n×3
4936479255
n×4
6581972340
n×5
8227465425
n÷2
822746542.5
n÷3
548497695
n÷3
411373271.25
n÷5
329098617
n2
2707647492782817225
n3
4.4554152259917E+27
n4
7.3313549451731E+36
n5
1.2063693865963E+46
2 √n40564.67779978
3 √n1180.5888770488
4 √n201.40674715555
5 √n69.704242560915
1 , 5 , 9 , 45 , 347 , 1735 , 3123 , 15615 , 105379 , 526895 , 948411 , 4742055 , 36566513 , 182832565 , 329098617 , 1645493085
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1645493084 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1645493085 can be divided by 16 positive divisors.
The sum of these divisors (counting 1645493085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010000101000011101101011101
3
Ternary
11020200021201011100
4
Quaternary
1202011003231131
5
Quinary
11332221234320
6
Senary
431140343313
8
Octal
14205035535
10
Decimal
1645493085
12
Duodecimal
39b0a4b39
16
Hexadecimal
62143b5d
20
Vigesimal
15e46ce5
36
Base36
r7oml9
md5
569a84c020f74c99fcd59124897b8588
sha1
9beabd208e78f606ec1bbf3a20579a43bf33865b
sha256
8aae951b18b7b60c5379e2700e2c61ca57122787cd618d0927a4d6b9ad4d61a3
sha512
cfd656d38b151332f2a0ce72f28c73261028b69425319d4ba630dfa9292922edfbeb35556f39089feef459be4361fbd2883b27f802ad7e07946f674996119c40
ripemd-160
52edce1404874d74e4e193e2db87d53e544fae23
Diameter
3290986170
Circumference
10338937974.738
Area
8.5063254718373E+18
Volume
1.866279965689E+28
Surface area
3.4025301887349E+19
Circumference
10338937974.738
Perimeter
6581972340
Area
2707647492782817225
Diagonal
2327078637.5981
Surface area
1.6245884956697E+19
Volume
4.4554152259917E+27
Space diagonal
2850077626.7233
Perimeter
4936479255
Area
1.1724457566216E+18
Altitude
1425038813.3616
Surface area
1.1724457566216E+18
Volume
5.2507571988342E+26
Height
775692879.19938