1638456485 is an odd 10-digits composite number following 1638456484
and preceding 1638456486 . In scientific notation, it is written as 1.638456485 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 1268482320 positive integers (up to 1638456485) that are relatively prime to 1638456485.
1638456485 has 8 divisors, whose sum is 2029572096
The reverse of 1638456485 is 5846548361
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion six hundred thirty-eight million four hundred fifty-six thousand four hundred eighty-five
Scientific notation
1.638456485 × 10^9
Engineering notation
1.638456485 × 10^9
Prime Factorization
5 × 31 × 10570687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1638456485
Product of the distinct prime numbers
The prime factorization of 1638456485 is 5 × 31 × 10570687.
Since it has a total of 3 prime factors.
5 , 10 , 43 , 38 , 484 , 365 , 6045 , 1753 , 57677 , 75167 , 230991 , 13320 , 1755178 , 1450268 , 32860316 , 43718568 , 415614075 , 27625889 , 7878418012 , 8823628572
n×2
3276912970
n×3
4915369455
n×4
6553825940
n×5
8192282425
n÷2
819228242.5
n÷3
546152161.66667
n÷3
409614121.25
n÷5
327691297
n2
2684539653238555225
n3
4.3985014040884E+27
n4
7.2067531498102E+36
n5
1.1807951434101E+46
2 √n
40477.851783414
3 √n
1178.9036270993
4 √n
201.19108276316
5 √n
69.64452526262
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
-1638456484
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 1638456485 can be divided by 8 positive divisors.
The sum of these divisors (counting 1638456485) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101010001101110010100101
3
Ternary
11020012001012202112
4
Quaternary
1201222031302211
5
Quinary
11323421101420
6
Senary
430325450405
8
Octal
14152156245
10
Decimal
1638456485
12
Duodecimal
398870a05
16
Hexadecimal
61a8dca5
20
Vigesimal
15c07145
36
Base36
r3ht45
md5
1010c2b5e320fa0d1569bbbb2ac2d3e0
sha1
eea81a6c664286dd5869144edf3a5ab7fb2bd7cf
sha256
3924429f3dbe526869877dea943079f8964ab9cfbb522f0788dc34156df5f709
sha512
3f9ad647958dd4818cd32af35d0dd937281e71bc5b72a6fa5cb43f4a756a175c454c5fbabc33dbbfebd015a5839cb6e3daa48e4f5ee2754d6043f5e52e3c4ec9
ripemd-160
d101ccf4653a2dbd7da75d5611fc4ad5090802d4
Diameter
3276912970
Circumference
10294725713.005
Area
8.4337300528847E+18
Volume
1.8424399597185E+28
Surface area
3.3734920211539E+19
Circumference
10294725713.005
Perimeter
6553825940
Area
2684539653238555225
Diagonal
2317127382.4451
Surface area
1.6107237919431E+19
Volume
4.3985014040884E+27
Space diagonal
2837889878.0107
Perimeter
4915369455
Area
1.1624397685856E+18
Altitude
1418944939.0054
Surface area
1.1624397685856E+18
Volume
5.1836836164824E+26
Height
772375794.14838