1686989217 is an odd 10-digits composite number following 1686989216
and preceding 1686989218 . In scientific notation, it is written as 1.686989217 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 1085840640 positive integers (up to 1686989217) that are relatively prime to 1686989217.
1686989217 has 16 divisors, whose sum is 2327295488
The reverse of 1686989217 is 7129896861
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion six hundred eighty-six million nine hundred eighty-nine thousand two hundred seventeen
Scientific notation
1.686989217 × 10^9
Engineering notation
1.686989217 × 10^9
Prime Factorization
3 × 31 × 433 × 41893
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1686989217
Product of the distinct prime numbers
The prime factorization of 1686989217 is 3 × 31 × 433 × 41893.
Since it has a total of 4 prime factors.
6 , 1 , 61 , 14 , 154 , 6 , 9515 , 1317 , 62391 , 98615 , 446323 , 64493 , 3627411 , 9012995 , 2948243 , 69699004 , 726855628 , 820893540 , 2117369848 , 3777041867
n×2
3373978434
n×3
5060967651
n×4
6747956868
n×5
8434946085
n÷2
843494608.5
n÷3
562329739
n÷3
421747304.25
n÷5
337397843.4
n2
2845932618274273089
n3
4.8010576393373E+27
n4
8.0993324677575E+36
n5
1.3663486538005E+46
2 √n
41072.974289671
3 √n
1190.4306557475
4 √n
202.66468436724
5 √n
70.052310073506
1 , 3 , 31 , 93 , 433 , 1299 , 13423 , 40269 , 41893 , 125679 , 1298683 , 3896049 , 18139669 , 54419007 , 562329739 , 1686989217
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
-1686989216
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 1686989217 can be divided by 16 positive divisors.
The sum of these divisors (counting 1686989217) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100100100011010110100110100001
3
Ternary
11100120100221011010
4
Quaternary
1210203112212201
5
Quinary
11423332123332
6
Senary
435222011133
8
Octal
14443264641
10
Decimal
1686989217
12
Duodecimal
3b0b76aa9
16
Hexadecimal
648d69a1
20
Vigesimal
1673dd0h
36
Base36
rwe17l
md5
b2fcd64196bfc5bf370d78c75ae4e8f2
sha1
b82472bff9664bfc3d4472a94d05c1d58f8202cc
sha256
19fb37d7702e2824be656a65ff2453162a6eb10c19d70878402d31aec69aab58
sha512
f4e1588472debc159d5ebbbea9c6960cb9fea38958107b1e60bfb3adc98fac4cc246eadf7e0758229f2d4d1435842477c6d6e9424200ecd960f909ab96b6a2e1
ripemd-160
ba86669b18e8a196b2c88b66690fc24147c3f62a
Diameter
3373978434
Circumference
10599665861.625
Area
8.940761006182E+18
Volume
2.0110623212271E+28
Surface area
3.5763044024728E+19
Circumference
10599665861.625
Perimeter
6747956868
Area
2845932618274273089
Diagonal
2385763030.2586
Surface area
1.7075595709646E+19
Volume
4.8010576393373E+27
Space diagonal
2921951035.6648
Perimeter
5060967651
Area
1.2323249724421E+18
Altitude
1460975517.8324
Surface area
1.2323249724421E+18
Volume
5.6581006894048E+26
Height
795254343.41952