12389989 is an odd 8-digits composite number following 12389988
and preceding 12389990 . In scientific notation, it is written as 1.2389989 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 11962720 positive integers (up to 12389989) that are relatively prime to 12389989.
12389989 has 4 divisors, whose sum is 12817260
The reverse of 12389989 is 98998321
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million three hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
1.2389989 × 10^7
Engineering notation
1.2389989 × 10^6
Prime Factorization
29 × 427241
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12389989
Product of the distinct prime numbers
The prime factorization of 12389989 is 29 × 427241.
Since it has a total of 2 prime factors.
8 , 5 , 13 , 94 , 877 , 2 , 1547 , 4220 , 32587 , 98539 , 622739 , 2695 , 5900944 , 4280765 , 66124507 , 72020326 , 98018056 , 453307837 , 2513755907 , 415263871
n×2
24779978
n×3
37169967
n×4
49559956
n×5
61949945
n÷2
6194994.5
n÷3
4129996.3333333
n÷3
3097497.25
n÷5
2477997.8
n2
153511827420121
n3
1.9020098531052E+21
n4
2.3565881157865E+28
n5
2.9198100832125E+35
2 √n
3519.941618834
3 √n
231.39660010438
4 √n
59.329095887549
5 √n
26.218882916053
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
-12389988
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 12389989 can be divided by 4 positive divisors.
The sum of these divisors (counting 12389989) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111010000111001100101
3
Ternary
212022110212111
4
Quaternary
233100321211
5
Quinary
11132434424
6
Senary
1121321021
8
Octal
57207145
10
Decimal
12389989
12
Duodecimal
4196171
16
Hexadecimal
bd0e65
20
Vigesimal
3h8ej9
36
Base36
7dk6d
md5
7c20b54acc16a92f71f9f7ad54c73d8e
sha1
b9991bf648526037921ff3f590d5ab5610f63a8c
sha256
2c9597c2b594cb2b0d7b8cae1e913eb65cbea637f28ff4c32e32893ab3c210c0
sha512
b203ac45f26c10058f3db32589e8063d06306b53dc7a97fe49921baf1cd693f277637d677c4aeaa37fb0f1ee3e0d59f88295e0d01b84e22333babee535c686a4
ripemd-160
f9bdc7554ababa845f8a5f8648130a5be77279c0
Diameter
24779978
Circumference
77848596.840917
Area
4.822716292622E+14
Volume
7.9671202420943E+21
Surface area
1.9290865170488E+15
Circumference
77848596.840917
Perimeter
49559956
Area
153511827420121
Diagonal
17522090.481453
Surface area
921070964520726
Volume
1.9020098531052E+21
Space diagonal
21460090.45322
Perimeter
37169967
Area
66472571163599
Altitude
10730045.22661
Surface area
66472571163599
Volume
2.2415401083572E+20
Height
5840696.8271512