12981208 is an even 8-digits composite number following 12981207
and preceding 12981209 . In scientific notation, it is written as 1.2981208 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 6479616 positive integers (up to 12981208) that are relatively prime to 12981208.
12981208 has 16 divisors, whose sum is 24381000
The reverse of 12981208 is 80218921
Previous prime number is 859
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred eighty-one thousand two hundred eight
Scientific notation
1.2981208 × 10^7
Engineering notation
1.2981208 × 10^6
Prime Factorization
2 × 2 × 2 × 859 × 1889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3245302
Product of the distinct prime numbers
The prime factorization of 12981208 is 2 × 2 × 2 × 859 × 1889.
Since it has a total of 5 prime factors.
2 , 3 , 24 , 37 , 548 , 428 , 3255 , 2424 , 43206 , 95058 , 783923 , 522155 , 7987565 , 1862855 , 45907452 , 45785304 , 266827237 , 425206968 , 5623759211 , 7327672362
n×2
25962416
n×3
38943624
n×4
51924832
n×5
64906040
n÷2
6490604
n÷3
4327069.3333333
n÷3
3245302
n÷5
2596241.6
n2
168511761139264
n3
2.1874862217951E+21
n4
2.8396213642256E+28
n5
3.6861715570257E+35
2 √n
3602.9443514992
3 √n
235.02011597834
4 √n
60.024531247642
5 √n
26.46445908536
1 , 2 , 4 , 8 , 859 , 1718 , 1889 , 3436 , 3778 , 6872 , 7556 , 15112 , 1622651 , 3245302 , 6490604 , 12981208
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
-12981207
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 12981208 can be divided by 16 positive divisors.
The sum of these divisors (counting 12981208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100001001111011000
3
Ternary
220102111212111
4
Quaternary
301201033120
5
Quinary
11310344313
6
Senary
1142122104
8
Octal
61411730
10
Decimal
12981208
12
Duodecimal
4420334
16
Hexadecimal
c613d8
20
Vigesimal
412d08
36
Base36
7q8d4
md5
6228320a3228bff0180ef0a449edd5e1
sha1
c3d3c250d0a1f9bb5412730b2ea17aaac75405ff
sha256
81f8cf5a05e3e2bef06876812d2c1592eb5d71c1d1404536b2ddd575df888c85
sha512
709282716f2f6a0534ba13ddc85dcdc5ecca3e5479ed150448bb0fba032934c1f7f55c37c25a7289be5f51b4a6b2c40d94c1ce33fcd512fdc49e4952204d761f
ripemd-160
8d8245abf8be680f4b58fda8bb0b80801d79f8aa
Diameter
25962416
Circumference
81563335.375042
Area
5.2939531083859E+14
Volume
9.1629208589605E+21
Surface area
2.1175812433544E+15
Circumference
81563335.375042
Perimeter
51924832
Area
168511761139264
Diagonal
18358200.409586
Surface area
1011070566835584
Volume
2.1874862217951E+21
Space diagonal
22484111.79962
Perimeter
38943624
Area
72967732991529
Altitude
11242055.89981
Surface area
72967732991529
Volume
2.5779772353058E+20
Height
6119400.1365287