1688891065 is an odd 10-digits composite number following 1688891064
and preceding 1688891066 . In scientific notation, it is written as 1.688891065 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 1318158720 positive integers (up to 1688891065) that are relatively prime to 1688891065.
1688891065 has 8 divisors, whose sum is 2076100488
The reverse of 1688891065 is 5601988861
Previous prime number is 41
Is Prime? no Number parity odd Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion six hundred eighty-eight million eight hundred ninety-one thousand sixty-five
Scientific notation
1.688891065 × 10^9
Engineering notation
1.688891065 × 10^9
Prime Factorization
5 × 41 × 8238493
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1688891065 Product of the distinct prime numbers
The prime factorization of 1688891065 is 5 × 41 × 8238493.
Since it has a total of 3 prime factors.
9 , 4 , 44 , 63 , 378 , 896 , 5661 , 2515 , 33499 , 34074 , 323562 , 307335 , 8821924 , 1313584 , 59047151 , 51202698 , 654492594 , 942742577 , 29818758 , 2570279369
n×2
3377782130
n×3
5066673195
n×4
6755564260
n×5
8444455325
n÷2
844445532.5
n÷3
562963688.33333
n÷3
422222766.25
n÷5
337778213
n2
2852353029436834225
n3
4.8173135456416E+27
n4
8.1359178045375E+36
n5
1.3740678885658E+46
2 √n41096.119829006
3 √n1190.8778366151
4 √n202.72177936523
5 √n70.068097822023
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
-1688891064 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 1688891065 can be divided by 8 positive divisors.
The sum of these divisors (counting 1688891065) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101010100110111010111001
3
Ternary
11100200221112222221
4
Quaternary
1210222212322321
5
Quinary
11424324003230
6
Senary
435330444041
8
Octal
14452467271
10
Decimal
1688891065
12
Duodecimal
3b1733621
16
Hexadecimal
64aa6eb9
20
Vigesimal
167fb7d5
36
Base36
rxisop
md5
c3a17299465c899b257cdb4338861b5e
sha1
89cc3a458207aa4895d07fc4f75092248ad75f9a
sha256
3c82484a958c3844a7be7954a2a44bdeb3e89edc2af596ab372f6edfd8ac16f9
sha512
a75d405ba5ed9a339de04873a8f1709d70b95e38bc547a1d56152225da4331256e8c38bd207ce10cf552979f6092c51ca7e1fd734ee4e3f55ba84a43b25ec4a4
ripemd-160
0ac4f688490e59871170260407ec66d9450e3890
Diameter
3377782130
Circumference
10611615525.035
Area
8.9609313227233E+18
Volume
2.0178715793368E+28
Surface area
3.5843725290893E+19
Circumference
10611615525.035
Perimeter
6755564260
Area
2852353029436834225
Diagonal
2388452649.4937
Surface area
1.7114118176621E+19
Volume
4.8173135456416E+27
Space diagonal
2925245133.0291
Perimeter
5066673195
Area
1.2351050920269E+18
Altitude
1462622566.5146
Surface area
1.2351050920269E+18
Volume
5.6772584587083E+26
Height
796150883.16458