12989918 is an even 8-digits composite number following 12989917
and preceding 12989919 . In scientific notation, it is written as 1.2989918 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 6494958 positive integers (up to 12989918) that are relatively prime to 12989918.
12989918 has 4 divisors, whose sum is 19484880
The reverse of 12989918 is 81998921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million nine hundred eighty-nine thousand nine hundred eighteen
Scientific notation
1.2989918 × 10^7
Engineering notation
1.2989918 × 10^6
Prime Factorization
2 × 6494959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12989918
Product of the distinct prime numbers
The prime factorization of 12989918 is 2 × 6494959.
Since it has a total of 2 prime factors.
10 , 2 , 29 , 100 , 485 , 977 , 4786 , 7492 , 24788 , 64467 , 953839 , 474571 , 5057630 , 6114022 , 79600497 , 46093971 , 571389758 , 701940071 , 7900772574 , 6366477953
n×2
25979836
n×3
38969754
n×4
51959672
n×5
64949590
n÷2
6494959
n÷3
4329972.6666667
n÷3
3247479.5
n÷5
2597983.6
n2
168737969646724
n3
2.1918923891974E+21
n4
2.8472502400499E+28
n5
3.6985547143728E+35
2 √n
3604.1528824399
3 √n
235.07266803539
4 √n
60.034597378844
5 √n
26.468009503759
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
-12989917
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 12989918 can be divided by 4 positive divisors.
The sum of these divisors (counting 12989918) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100011010111011110
3
Ternary
220102221211002
4
Quaternary
301203113132
5
Quinary
11311134133
6
Senary
1142230302
8
Octal
61432736
10
Decimal
12989918
12
Duodecimal
4425392
16
Hexadecimal
c635de
20
Vigesimal
413efi
36
Base36
7qf32
md5
ef3a436dc8d2a10a8d4b43c05f7b3b22
sha1
1a00c052944a21c3330482b95a5952aa4b8cd666
sha256
d66f53371613effd966dbd018829766e686651bed620a64dca706c53c879690f
sha512
2660589546a0cd5f4ab4816fc71b4dc52a7085b1ad34a85b270d7f0885213e2957e825548db7b45154b49b03db8698c1ddef0d706a859f885248d79dbc673eee
ripemd-160
91b0690475176d8681c68cfd33901529e59f7aab
Diameter
25979836
Circumference
81618061.919068
Area
5.3010596582381E+14
Volume
9.181377369816E+21
Surface area
2.1204238632952E+15
Circumference
81618061.919068
Perimeter
51959672
Area
168737969646724
Diagonal
18370518.209714
Surface area
1012427817880344
Volume
2.1918923891974E+21
Space diagonal
22499197.962153
Perimeter
38969754
Area
73065684148535
Altitude
11249598.981077
Surface area
73065684148535
Volume
2.5831699533878E+20
Height
6123506.0699048