12981549 is an odd 8-digits composite number following 12981548
and preceding 12981550 . In scientific notation, it is written as 1.2981549 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 7397040 positive integers (up to 12981549) that are relatively prime to 12981549.
12981549 has 16 divisors, whose sum is 19837440
The reverse of 12981549 is 94518921
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred eighty-one thousand five hundred forty-nine
Scientific notation
1.2981549 × 10^7
Engineering notation
1.2981549 × 10^6
Prime Factorization
7 × 3 × 491 × 1259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12981549
Product of the distinct prime numbers
The prime factorization of 12981549 is 7 × 3 × 491 × 1259.
Since it has a total of 4 prime factors.
2 , 1 , 30 , 49 , 944 , 351 , 4534 , 9427 , 11989 , 30270 , 572349 , 771958 , 9943026 , 8459750 , 45029575 , 84222435 , 917920898 , 39117960 , 2797301186 , 1316083844
n×2
25963098
n×3
38944647
n×4
51926196
n×5
64907745
n÷2
6490774.5
n÷3
4327183
n÷3
3245387.25
n÷5
2596309.8
n2
168520614439401
n3
2.1876586138552E+21
n4
2.8399197491033E+28
n5
3.6866557379053E+35
2 √n
3602.9916735957
3 √n
235.02217385456
4 √n
60.024925435986
5 √n
26.464598121507
1 , 3 , 7 , 21 , 491 , 1259 , 1473 , 3437 , 3777 , 8813 , 10311 , 26439 , 618169 , 1854507 , 4327183 , 12981549
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
-12981548
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 12981549 can be divided by 16 positive divisors.
The sum of these divisors (counting 12981549) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100001010100101101
3
Ternary
220102112100010
4
Quaternary
301201110231
5
Quinary
11310402144
6
Senary
1142123433
8
Octal
61412455
10
Decimal
12981549
12
Duodecimal
4420579
16
Hexadecimal
c6152d
20
Vigesimal
412dh9
36
Base36
7q8ml
md5
6caa6263e2c806f6f1bee8dfd2befdd3
sha1
a8de196be46d4f975c38aadaa01935cf57e047d9
sha256
32996e7b9d7bbd3e937f896bef3eddc6391c9e519eb61cea3b8810350d95ddc3
sha512
7a99f6f6cb84d11444373b28778a8d7d69f3fa8b5eb5e045b5ec727c88b28b85360907d049494c6cfd5929c4ab80188ef8601c4d150b5529121843432fdfebcc
ripemd-160
a4ec84726c358f0c68fabe43b3d31959740ff58d
Diameter
25963098
Circumference
81565477.941232
Area
5.2942312430126E+14
Volume
9.1636429731332E+21
Surface area
2.117692497205E+15
Circumference
81565477.941232
Perimeter
51926196
Area
168520614439401
Diagonal
18358682.656411
Surface area
1011123686636406
Volume
2.1876586138552E+21
Space diagonal
22484702.428945
Perimeter
38944647
Area
72971566582942
Altitude
11242351.214472
Surface area
72971566582942
Volume
2.5781804012969E+20
Height
6119560.8854703