1688891869 is an odd 10-digits composite number following 1688891868
and preceding 1688891870 . In scientific notation, it is written as 1.688891869 × 10^9.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 1447621308 positive integers (up to 1688891869) that are relatively prime to 1688891869.
1688891869 has 8 divisors, whose sum is 1969553600
The reverse of 1688891869 is 9681988861
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion six hundred eighty-eight million eight hundred ninety-one thousand eight hundred sixty-nine
Scientific notation
1.688891869 × 10^9
Engineering notation
1.688891869 × 10^9
Prime Factorization
49 × 7 × 4923883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1688891869
Product of the distinct prime numbers
The prime factorization of 1688891869 is 49 × 7 × 4923883.
Since it has a total of 3 prime factors.
4 , 3 , 3 , 100 , 872 , 505 , 7415 , 3524 , 97460 , 5047 , 554018 , 741169 , 1059639 , 1657865 , 18516896 , 5083463 , 125477027 , 622773904 , 1897707540 , 2560579541
n×2
3377783738
n×3
5066675607
n×4
6755567476
n×5
8444459345
n÷2
844445934.5
n÷3
562963956.33333
n÷3
422222967.25
n÷5
337778373.8
n2
2852355745174313161
n3
4.8173204255203E+27
n4
8.1359332970289E+36
n5
1.3740711592078E+46
2 √n
41096.12961095
3 √n
1190.8780255883
4 √n
202.72180349176
5 √n
70.068104493234
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1688891868
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1688891869 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688891869) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101010100111000111011101
3
Ternary
11100200221121002201
4
Quaternary
1210222213013131
5
Quinary
11424324014434
6
Senary
435330451501
8
Octal
14452470735
10
Decimal
1688891869
12
Duodecimal
3b1733b91
16
Hexadecimal
64aa71dd
20
Vigesimal
167fb9d9
36
Base36
rxitb1
md5
d32d22ed3ca8528ba743e397ca48d7d7
sha1
69915aac205934b766ae48c44c19ec4d56101c8e
sha256
0e498889d5a3cb8805510460a5aa175ae5394c7f008fea13bb4a53f462fa41b0
sha512
47237a6f5a66e851a1c32edbd47e6881cf2a1b11cde6eeade8e0b06d0a00aab14d89daea28fca56b50ff00a87a94d80f9ea872ba8569afa4785d902682d039c0
ripemd-160
ed3dc5d46356e0c4313eb98afb686665654a8bda
Diameter
3377783738
Circumference
10611620576.716
Area
8.9609398544643E+18
Volume
2.0178744611737E+28
Surface area
3.5843759417857E+19
Circumference
10611620576.716
Perimeter
6755567476
Area
2852355745174313161
Diagonal
2388453786.5214
Surface area
1.7114134471046E+19
Volume
4.8173204255203E+27
Space diagonal
2925246525.598
Perimeter
5066675607
Area
1.2351062679757E+18
Altitude
1462623262.799
Surface area
1.2351062679757E+18
Volume
5.6772665667232E+26
Height
796151262.17381