12981916 is an even 8-digits composite number following 12981915
and preceding 12981917 . In scientific notation, it is written as 1.2981916 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 6490956 positive integers (up to 12981916) that are relatively prime to 12981916.
12981916 has 6 divisors, whose sum is 22718360
The reverse of 12981916 is 61918921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million nine hundred eighty-one thousand nine hundred sixteen
Scientific notation
1.2981916 × 10^7
Engineering notation
1.2981916 × 10^6
Prime Factorization
2 × 2 × 3245479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6490958
Product of the distinct prime numbers
The prime factorization of 12981916 is 2 × 2 × 3245479.
Since it has a total of 3 prime factors.
4 , 5 , 88 , 63 , 36 , 979 , 4106 , 4887 , 15667 , 12872 , 826510 , 328854 , 1785202 , 870767 , 25631710 , 71165721 , 296790045 , 21523336 , 1055160269 , 5942540828
n×2
25963832
n×3
38945748
n×4
51927664
n×5
64909580
n÷2
6490958
n÷3
4327305.3333333
n÷3
3245479
n÷5
2596383.2
n2
168530143031056
n3
2.1878441602972E+21
n4
2.8402409110068E+28
n5
3.6871768926454E+35
2 √n
3603.0426031342
3 √n
235.02438859604
4 √n
60.02534967107
5 √n
26.464747755386
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981916 can be divided by 6 positive divisors.
The sum of these divisors (counting 12981916) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110001100001011010011100
3
Ternary
220102112211201
4
Quaternary
301201122130
5
Quinary
11310410131
6
Senary
1142125244
8
Octal
61413234
10
Decimal
12981916
12
Duodecimal
4420824
16
Hexadecimal
c6169c
20
Vigesimal
412efg
36
Base36
7q8ws
md5
928860e901e0ae9221ef7bf78f111d06
sha1
7c896144ab51a4b45bc9bfb808046a6f9dafcf8a
sha256
ffa5ae2c6677733e376dbc9e3ac8f019a52107c8266ef94d3ce31736a344f96e
sha512
13fa7a8d8354ffa8712c3c2652fbad3092c513ac2abb23d6129ae41d13c368d1e5470f6928bcd58dba14712c39dc244ef6d0ae6818a7430ceeb1bc571383dc25
ripemd-160
27263e3ff491faf721b6986a5da0a6145d392d0e
Diameter
25963832
Circumference
81567783.87024
Area
5.294530592548E+14
Volume
9.1644201882518E+21
Surface area
2.1178122370192E+15
Circumference
81567783.87024
Perimeter
51927664
Area
168530143031056
Diagonal
18359201.672788
Surface area
1011180858186336
Volume
2.1878441602972E+21
Space diagonal
22485338.091591
Perimeter
38945748
Area
72975692584160
Altitude
11242669.045796
Surface area
72975692584160
Volume
2.5783990698758E+20
Height
6119733.8909294