2689989 is an odd 7-digits composite number following 2689988
and preceding 2689990 . In scientific notation, it is written as 2.689989 × 10^6.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1782000 positive integers (up to 2689989) that are relatively prime to 2689989.
2689989 has 8 divisors, whose sum is 3609312
The reverse of 2689989 is 9899862
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 51
Digital Root 6
Name
two million six hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
2.689989 × 10^6
Engineering notation
2.689989 × 10^6
Prime Factorization
3 × 163 × 5501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2689989
Product of the distinct prime numbers
The prime factorization of 2689989 is 3 × 163 × 5501.
Since it has a total of 3 prime factors.
3 , 4 , 67 , 33 , 510 , 894 , 9294 , 8306 , 60153 , 21949 , 433160 , 452796 , 2498331 , 9952710 , 47058722 , 30932541 , 893918158 , 740370851 , 7534103276 , 4591672787
n×2
5379978
n×3
8069967
n×4
10759956
n×5
13449945
n÷2
1344994.5
n÷3
896663
n÷3
672497.25
n÷5
537997.8
n2
7236040820121
n3
1.9464870209676E+19
n4
5.2360286750457E+25
n5
1.4084859539558E+32
2 √n
1640.1185932731
3 √n
139.07535206724
4 √n
40.498377662236
5 √n
19.317463521726
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
-2689988
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 2689989 can be divided by 8 positive divisors.
The sum of these divisors (counting 2689989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000101111000101
3
Ternary
12001122222020
4
Quaternary
22100233011
5
Quinary
1142034424
6
Senary
133353353
8
Octal
12205705
10
Decimal
2689989
12
Duodecimal
a98859
16
Hexadecimal
290bc5
20
Vigesimal
gg4j9
36
Base36
1lnlx
md5
47ab0132f2711c5c0b3707986bf14e4e
sha1
3f46840945c7d12e5933145d50046e93285086c1
sha256
0e32a6c70a3e65ee52d1232656510183333676b1abdc4820e7b7ea10bc0c7627
sha512
57078ac6592c0cd85301d39dc1d626a9303f2bc242acc64a54ab4bb31462384418f94c2ec282bf734b414d369c9a1f4008544a298e174633683e0daf8e110d29
ripemd-160
0f54ed5751f4436c9fae2e6ec6dfc18e306dadfd
Diameter
5379978
Circumference
16901699.361275
Area
22732692681568
Volume
8.1534257671731E+19
Surface area
90930770726272
Circumference
16901699.361275
Perimeter
10759956
Area
7236040820121
Diagonal
3804218.9264344
Surface area
43416244920726
Volume
1.9464870209676E+19
Space diagonal
4659197.6198014
Perimeter
8069967
Area
3133297586523
Altitude
2329598.8099007
Surface area
3133297586523
Volume
2.293956953363E+18
Height
1268072.9754781