1688943957 is an odd 10-digits composite number following 1688943956
and preceding 1688943958 . In scientific notation, it is written as 1.688943957 × 10^9.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 1125962636 positive integers (up to 1688943957) that are relatively prime to 1688943957.
1688943957 has 4 divisors, whose sum is 2251925280
The reverse of 1688943957 is 7593498861
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion six hundred eighty-eight million nine hundred forty-three thousand nine hundred fifty-seven
Scientific notation
1.688943957 × 10^9
Engineering notation
1.688943957 × 10^9
Prime Factorization
3 × 562981319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1688943957
Product of the distinct prime numbers
The prime factorization of 1688943957 is 3 × 562981319.
Since it has a total of 2 prime factors.
9 , 8 , 48 , 60 , 974 , 442 , 4404 , 1567 , 81716 , 15299 , 60492 , 887934 , 8817171 , 8327039 , 94423355 , 31773112 , 34658699 , 308062330 , 3302559016 , 4238277939
n×2
3377887914
n×3
5066831871
n×4
6755775828
n×5
8444719785
n÷2
844471978.5
n÷3
562981319
n÷3
422235989.25
n÷5
337788791.4
n2
2852531689886817849
n3
4.8177661597853E+27
n4
8.1369370418085E+36
n5
1.3742830645252E+46
2 √n
41096.763339708
3 √n
1190.8902682937
4 √n
202.72336653605
5 √n
70.068536689335
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1688943956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1688943957 can be divided by 4 positive divisors.
The sum of these divisors (counting 1688943957) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100101010110011110101010101
3
Ternary
11100201001020112220
4
Quaternary
1210222303311111
5
Quinary
11424332201312
6
Senary
435331532553
8
Octal
14452636525
10
Decimal
1688943957
12
Duodecimal
3b175a159
16
Hexadecimal
64ab3d55
20
Vigesimal
167fhjhh
36
Base36
rxjxhx
md5
e00fb3644246d09f5aa9ea6a57644cb3
sha1
eec9c0db294075ff58447ca54e6d68dbeacca83d
sha256
282fd54a313da2754745410a387ce0d2c82306e2c5f8b300f48a777f19f901d1
sha512
0f1a6c254960b5df4750181fd785106069f93077b2259c91a372d11ac41e90804a706d5826d83a1da4dcef39627283eb0828a4052a8985deecd75db2263f719b
ripemd-160
899d57dade02ad2de4910595e96f472c37217e1d
Diameter
3377887914
Circumference
10611947855.272
Area
8.9614926010805E+18
Volume
2.018061169906E+28
Surface area
3.5845970404322E+19
Circumference
10611947855.272
Perimeter
6755775828
Area
2852531689886817849
Diagonal
2388527450.0775
Surface area
1.7115190139321E+19
Volume
4.8177661597853E+27
Space diagonal
2925336744.6604
Perimeter
5066831871
Area
1.2351824542711E+18
Altitude
1462668372.3302
Surface area
1.2351824542711E+18
Volume
5.6777918695921E+26
Height
796175816.69249