1686985644 is an even 10-digits composite number following 1686985643
and preceding 1686985645 . In scientific notation, it is written as 1.686985644 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 562328544 positive integers (up to 1686985644) that are relatively prime to 1686985644.
1686985644 has 12 divisors, whose sum is 3936299864
The reverse of 1686985644 is 4465896861
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion six hundred eighty-six million nine hundred eighty-five thousand six hundred forty-four
Scientific notation
1.686985644 × 10^9
Engineering notation
1.686985644 × 10^9
Prime Factorization
2 × 2 × 3 × 140582137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
843492822
Product of the distinct prime numbers
The prime factorization of 1686985644 is 2 × 2 × 3 × 140582137.
Since it has a total of 4 prime factors.
5 , 6 , 87 , 39 , 201 , 539 , 3837 , 2393 , 42429 , 28838 , 266707 , 811498 , 1024534 , 6255967 , 81552180 , 21450207 , 770474656 , 618552334 , 2147076430 , 2882365121
n×2
3373971288
n×3
5060956932
n×4
6747942576
n×5
8434928220
n÷2
843492822
n÷3
562328548
n÷3
421746411
n÷5
337397128.8
n2
2845920563062094736
n3
4.8010271338502E+27
n4
8.0992638512597E+36
n5
1.3663341844043E+46
2 √n
41072.930793894
3 √n
1190.4298153131
4 √n
202.6645770575
5 √n
70.052280399681
1 , 2 , 3 , 4 , 6 , 12 , 140582137 , 281164274 , 421746411 , 562328548 , 843492822 , 1686985644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1686985643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1686985644 can be divided by 12 positive divisors.
The sum of these divisors (counting 1686985644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100100011010101101110101100
3
Ternary
11100120100202020210
4
Quaternary
1210203111232230
5
Quinary
11423332020034
6
Senary
435221542420
8
Octal
14443255654
10
Decimal
1686985644
12
Duodecimal
3b0b74a10
16
Hexadecimal
648d5bac
20
Vigesimal
1673d424
36
Base36
rwdygc
md5
9fc95ba8f86200a32929b278e8f1e814
sha1
c7d7846af2da71878118deb47118cfed61672e16
sha256
152df2413332c2f1047a8cf603e98e84d5c6eedd50b3ef575ce8dee1fae81b60
sha512
1941be1d858c7ba2fbfc365caee5a6c3b4f1c0913d50eaee90e06c39cb5835b6347624eee4c68d8dc230bd5e6f985f213f7365ef3255d86dd3ce91a652d9a958
ripemd-160
873cc0998af9089b2028eb36c598ec9c402d8c94
Diameter
3373971288
Circumference
10599643411.804
Area
8.940723133616E+18
Volume
2.0110495431185E+28
Surface area
3.5762892534464E+19
Circumference
10599643411.804
Perimeter
6747942576
Area
2845920563062094736
Diagonal
2385757977.2735
Surface area
1.7075523378373E+19
Volume
4.8010271338502E+27
Space diagonal
2921944847.0473
Perimeter
5060956932
Area
1.2323197523821E+18
Altitude
1460972423.5237
Surface area
1.2323197523821E+18
Volume
5.6580647383434E+26
Height
795252659.09117