12981489 is an odd 8-digits composite number following 12981488
and preceding 12981490 . In scientific notation, it is written as 1.2981489 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 8110080 positive integers (up to 12981489) that are relatively prime to 12981489.
12981489 has 16 divisors, whose sum is 18406080
The reverse of 12981489 is 98418921
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million nine hundred eighty-one thousand four hundred eighty-nine
Scientific notation
1.2981489 × 10^7
Engineering notation
1.2981489 × 10^6
Prime Factorization
3 × 17 × 331 × 769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12981489
Product of the distinct prime numbers
The prime factorization of 12981489 is 3 × 17 × 331 × 769.
Since it has a total of 4 prime factors.
1 , 9 , 2 , 87 , 969 , 385 , 6510 , 5708 , 98115 , 35794 , 748486 , 631046 , 9024282 , 5505228 , 78718542 , 71028561 , 740492409 , 808703713 , 9651281444 , 3877944003
n×2
25962978
n×3
38944467
n×4
51925956
n×5
64907445
n÷2
6490744.5
n÷3
4327163
n÷3
3245372.25
n÷5
2596297.8
n2
168519056657121
n3
2.1876282802848E+21
n4
2.8398672456606E+28
n5
3.6865705411003E+35
2 √n
3602.9833471722
3 √n
235.02181176752
4 √n
60.024856077896
5 √n
26.46457365788
1 , 3 , 17 , 51 , 331 , 769 , 993 , 2307 , 5627 , 13073 , 16881 , 39219 , 254539 , 763617 , 4327163 , 12981489
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981489 can be divided by 16 positive divisors.
The sum of these divisors (counting 12981489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100001010011110001
3
Ternary
220102112020220
4
Quaternary
301201103301
5
Quinary
11310401424
6
Senary
1142123253
8
Octal
61412361
10
Decimal
12981489
12
Duodecimal
4420529
16
Hexadecimal
c614f1
20
Vigesimal
412de9
36
Base36
7q8kx
md5
63e961e56699e3507c3b622c37f0776a
sha1
30770302ae5f1df5a9a35745a4d71dfcf8f4de5a
sha256
24739bc717a780706207f7d983668b36ca247b28f82bec7b963650f1a580fe20
sha512
211fb6247279848e911c96d3af156a3245242e9968d110d67d5ac82793bbbe420da87902274301b05fcbd67d6dcf4f24534a2282865508f63360ab436384100c
ripemd-160
957328ff74203722e9d7efa5a5ceec8eb597df79
Diameter
25962978
Circumference
81565100.950113
Area
5.2941823038389E+14
Volume
9.1635159121706E+21
Surface area
2.1176729215356E+15
Circumference
81565100.950113
Perimeter
51925956
Area
168519056657121
Diagonal
18358597.803597
Surface area
1011114339942726
Volume
2.1876282802848E+21
Space diagonal
22484598.505896
Perimeter
38944467
Area
72970892043428
Altitude
11242299.252948
Surface area
72970892043428
Volume
2.5781446528414E+20
Height
6119532.601199