688989899 is an odd 9-digits composite number following 688989898
and preceding 688989900 . In scientific notation, it is written as 6.88989899 × 10^8.
The sum of its digits is 74. It has a total of 2 prime factors and 4 positive divisors.
There are 635990664 positive integers (up to 688989899) that are relatively prime to 688989899.
688989899 has 4 divisors, whose sum is 741989136
The reverse of 688989899 is 998989886
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 74
Digital Root 2
Name
six hundred eighty-eight million nine hundred eighty-nine thousand eight hundred ninety-nine
Scientific notation
6.88989899 × 10^8
Engineering notation
6.88989899 × 10^6
Prime Factorization
13 × 52999223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
688989899
Product of the distinct prime numbers
The prime factorization of 688989899 is 13 × 52999223.
Since it has a total of 2 prime factors.
6 , 2 , 74 , 38 , 173 , 561 , 6551 , 3337 , 3079 , 99334 , 950133 , 758877 , 7800007 , 7772716 , 22677552 , 16587814 , 377845900 , 264969634 , 6510915281 , 8050163390
n×2
1377979798
n×3
2066969697
n×4
2755959596
n×5
3444949495
n÷2
344494949.5
n÷3
229663299.66667
n÷3
172247474.75
n÷5
137797979.8
n2
474707080924030201
n3
3.2706838374043E+26
n4
2.2534681267941E+35
n5
1.5526167770796E+44
2 √n
26248.617087382
3 √n
883.22418291368
4 √n
162.01424964299
5 √n
58.565596497916
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
-688989898
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 688989899 can be divided by 4 positive divisors.
The sum of these divisors (counting 688989899) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001000100010010011011001011
3
Ternary
1210000110022110102
4
Quaternary
221010102123023
5
Quinary
2402340134044
6
Senary
152211240015
8
Octal
5104223313
10
Decimal
688989899
12
Duodecimal
1728a900b
16
Hexadecimal
291126cb
20
Vigesimal
af63eej
36
Base36
be7g0b
md5
d719b76c4d8450d1f489d59171eb02c5
sha1
231d5473537848db30a324089cf3394e7a0c03ad
sha256
edeeb2678de96521e88bacadaa6e39983284a51510fe0d5c21c35e5253eca828
sha512
9f89eb074b3b86c3166b4802d5a109d0567f04e0e3ddd671745c9a9e97dfdb2f64652f1d0aef62f192f73bb04c6fc36fc8e9b99783a2ed3f51e3c931a3079f6a
ripemd-160
9fa381bc99f04e7165854cfba6d8aa8b2de69587
Diameter
1377979798
Circumference
4329051210.1919
Area
1.491336278038E+18
Volume
1.3700208421072E+27
Surface area
5.965345112152E+18
Circumference
4329051210.1919
Perimeter
2755959596
Area
474707080924030201
Diagonal
974378859.50387
Surface area
2848242485544181206
Volume
3.2706838374043E+26
Space diagonal
1193365510.9697
Perimeter
2066969697
Area
2.0555419571828E+17
Altitude
596682755.48487
Surface area
2.0555419571828E+17
Volume
3.8545378675764E+25
Height
324792953.16796