1685213821 is an odd 10-digits prime number following 1685213820
and preceding 1685213822 . In scientific notation, it is written as 1.685213821 × 10^9.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 1685213820 positive integers (up to 1685213821) that are relatively prime to 1685213821.
1685213821 has 2 divisors, whose sum is 1685213822
The reverse of 1685213821 is 1283125861
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion six hundred eighty-five million two hundred thirteen thousand eight hundred twenty-one
Scientific notation
1.685213821 × 10^9
Engineering notation
1.685213821 × 10^9
Prime Factorization
1685213821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1685213821
Product of the distinct prime numbers
The prime factorization of 1685213821 is 1685213821.
Since it has a total of 1 prime factors.
1 , 6 , 12 , 40 , 585 , 474 , 1364 , 1374 , 82545 , 55918 , 740403 , 910337 , 351901 , 463177 , 8251801 , 54090998 , 400089705 , 587964450 , 6629220667 , 7457410352
n×2
3370427642
n×3
5055641463
n×4
6740855284
n×5
8426069105
n÷2
842606910.5
n÷3
561737940.33333
n÷3
421303455.25
n÷5
337042764.2
n2
2839945622489420041
n3
4.7859156139076E+27
n4
8.0652911386968E+36
n5
1.3591740097321E+46
2 √n
41051.355897217
3 √n
1190.0129040806
4 √n
202.61134197576
5 √n
70.037559181417
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1685213822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
842606911
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
41051.355909397
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999988132
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1685213821 can be divided by 2 positive divisors.
The sum of these divisors (counting 1685213821) is 1685213822, the average is 842606911.
Base
System
Value
2
Binary
1100100011100100101001001111101
3
Ternary
11100110000201202201
4
Quaternary
1210130211021331
5
Quinary
11422403320241
6
Senary
435115551501
8
Octal
14434451175
10
Decimal
1685213821
12
Duodecimal
3b045b591
16
Hexadecimal
6472527d
20
Vigesimal
166cbeb1
36
Base36
rvbzb1
md5
8f37e0791fb349442cbfae5ddecd0f65
sha1
74193eaebbad47bf60a2c17b4c4b3acc711986c9
sha256
dfeec6e01004d96d5cb9df13d4ef603cfa545d4ff60c91ced1d377cbf3babf16
sha512
266b81a0111ba64caaf04f09f19961d307298b85eea873764a68a8a8cff23f0d30bfc8b3a39e60bddb5f3394e56e5ea4271a78ba9404747ddd56f0fd0a0939e0
ripemd-160
695fb99b039b952afd00cf52cadb7c8088305ece
Diameter
3370427642
Circumference
10588510719.563
Area
8.9219523042073E+18
Volume
2.004719644447E+28
Surface area
3.5687809216829E+19
Circumference
10588510719.563
Perimeter
6740855284
Area
2839945622489420041
Diagonal
2383252241.1568
Surface area
1.7039673734937E+19
Volume
4.7859156139076E+27
Space diagonal
2918875959.5893
Perimeter
5055641463
Area
1.2297325272211E+18
Altitude
1459437979.7946
Surface area
1.2297325272211E+18
Volume
5.6402556413011E+26
Height
794417413.71893