1668696985 is an odd 10-digits composite number following 1668696984
and preceding 1668696986 . In scientific notation, it is written as 1.668696985 × 10^9.
The sum of its digits is 64. It has a total of 4 prime factors and 16 positive divisors.
There are 1290928320 positive integers (up to 1668696985) that are relatively prime to 1668696985.
1668696985 has 16 divisors, whose sum is 2068577280
The reverse of 1668696985 is 5896968661
Previous prime number is 1693
Is Prime? no Number parity odd Number length 10 Sum of Digits 64 Digital Root 1
Name
one billion six hundred sixty-eight million six hundred ninety-six thousand nine hundred eighty-five
Scientific notation
1.668696985 × 10^9
Engineering notation
1.668696985 × 10^9
Prime Factorization
5 × 31 × 1693 × 6359
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1668696985 Product of the distinct prime numbers
The prime factorization of 1668696985 is 5 × 31 × 1693 × 6359.
Since it has a total of 4 prime factors.
2 , 9 , 20 , 3 , 104 , 933 , 441 , 723 , 74459 , 67779 , 286806 , 146179 , 7573713 , 3112697 , 44645003 , 93012378 , 705038972 , 653247962 , 2901288580 , 3532763169
n×2
3337393970
n×3
5006090955
n×4
6674787940
n×5
8343484925
n÷2
834348492.5
n÷3
556232328.33333
n÷3
417174246.25
n÷5
333739397
n2
2784549627748090225
n3
4.6465695684061E+27
n4
7.753716629392E+36
n5
1.2938603562011E+46
2 √n40849.687697705
3 √n1186.1123478453
4 √n202.11305672248
5 √n69.899729684934
1 , 5 , 31 , 155 , 1693 , 6359 , 8465 , 31795 , 52483 , 197129 , 262415 , 985645 , 10765787 , 53828935 , 333739397 , 1668696985
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
-1668696984 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 1668696985 can be divided by 16 positive divisors.
The sum of these divisors (counting 1668696985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011011101100100101110011001
3
Ternary
11022021221120221001
4
Quaternary
1203131210232121
5
Quinary
11404141300420
6
Senary
433325545001
8
Octal
14335445631
10
Decimal
1668696985
12
Duodecimal
3a6a15161
16
Hexadecimal
63764b99
20
Vigesimal
16197295
36
Base36
rlhyu1
md5
b754a906f10afcecf5cf01acbc5058b0
sha1
910c56dc37124f4112bc25082063739795efb4c7
sha256
bbb0ecc354d818f206e7de80006ab9e40fd0dbbe4b5456c123c606a0301ceb42
sha512
84f16187cdc1f954af680e44cd056fc008af4bd0fa255d26157c8a3b4014f268eface7daa21291ad5b40a580b5191eafd86d4cdac7fc11660728876db12c4b6d
ripemd-160
8e45e5d014d6dcaa5059cc7cb353b2e94645dd85
Diameter
3337393970
Circumference
10484732378.287
Area
8.7479206540896E+18
Volume
1.9463505093998E+28
Surface area
3.4991682616358E+19
Circumference
10484732378.287
Perimeter
6674787940
Area
2784549627748090225
Diagonal
2359893907.6781
Surface area
1.6707297766489E+19
Volume
4.6465695684061E+27
Space diagonal
2890267960.457
Perimeter
5006090955
Area
1.2057453578642E+18
Altitude
1445133980.2285
Surface area
1.2057453578642E+18
Volume
5.4760347517917E+26
Height
786631302.55936