2138889 is an odd 7-digits composite number following 2138888
and preceding 2138890 . In scientific notation, it is written as 2.138889 × 10^6.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 1341504 positive integers (up to 2138889) that are relatively prime to 2138889.
2138889 has 12 divisors, whose sum is 3030704
The reverse of 2138889 is 9888312
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 39
Digital Root 3
Name
two million one hundred thirty-eight thousand eight hundred eighty-nine
Scientific notation
2.138889 × 10^6
Engineering notation
2.138889 × 10^6
Prime Factorization
3 × 17 × 17 × 2467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
125817
Product of the distinct prime numbers
The prime factorization of 2138889 is 3 × 17 × 17 × 2467.
Since it has a total of 4 prime factors.
8 , 8 , 8 , 46 , 784 , 860 , 2289 , 2471 , 46564 , 63396 , 919522 , 982688 , 4544118 , 6165175 , 99707968 , 3912173 , 583286581 , 898041275 , 3119782922 , 955860037
n×2
4277778
n×3
6416667
n×4
8555556
n×5
10694445
n÷2
1069444.5
n÷3
712963
n÷3
534722.25
n÷5
427777.8
n2
4574846154321
n3
9.7850881161695E+18
n4
2.0929217335706E+25
n5
4.476527273795E+31
2 √n
1462.4941025522
3 √n
128.84356977299
4 √n
38.242569246224
5 √n
18.45175372218
1 , 3 , 17 , 51 , 289 , 867 , 2467 , 7401 , 41939 , 125817 , 712963 , 2138889
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2138888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2138889 can be divided by 12 positive divisors.
The sum of these divisors (counting 2138889) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001010001100001001
3
Ternary
11000200000010
4
Quaternary
20022030021
5
Quinary
1021421024
6
Senary
113502133
8
Octal
10121411
10
Decimal
2138889
12
Duodecimal
871949
16
Hexadecimal
20a309
20
Vigesimal
d7749
36
Base36
19udl
md5
5743bd103076e49f361e4eb1b7af237b
sha1
505e13e0b5656573c3b659adb9b4dcd0cae448d1
sha256
58e2cb44457a56b329b1474aa59da449e9fdda7ab947553012f0ddfc70df6c80
sha512
b57cf8c11a4f3b7a43f64eeeaf80c365ac8596a0c6d1b6dc6c1ee2e0e6ad3eed00f0de4c1994d6f7d8904232b5b135e1fd929d78fe172aa260383c6627c2dba3
ripemd-160
36eac45c9f0fda33006a72e315b5d54a20faf855
Diameter
4277778
Circumference
13439035.938488
Area
14372303069718
Volume
4.0987681253982E+19
Surface area
57489212278873
Circumference
13439035.938488
Perimeter
8555556
Area
4574846154321
Diagonal
3024845.8322106
Surface area
27449076925926
Volume
9.7850881161695E+18
Space diagonal
3704664.4197502
Perimeter
6416667
Area
1980966494023.8
Altitude
1852332.2098751
Surface area
1980966494023.8
Volume
1.1531836935752E+18
Height
1008281.9440702