12981919 is an odd 8-digits composite number following 12981918
and preceding 12981920 . In scientific notation, it is written as 1.2981919 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 12935440 positive integers (up to 12981919) that are relatively prime to 12981919.
12981919 has 4 divisors, whose sum is 13028400
The reverse of 12981919 is 91918921
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred eighty-one thousand nine hundred nineteen
Scientific notation
1.2981919 × 10^7
Engineering notation
1.2981919 × 10^6
Prime Factorization
281 × 46199
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12981919
Product of the distinct prime numbers
The prime factorization of 12981919 is 281 × 46199.
Since it has a total of 2 prime factors.
5 , 7 , 100 , 42 , 889 , 767 , 6692 , 1511 , 4199 , 83668 , 271348 , 727236 , 1416827 , 7473101 , 15449373 , 34576546 , 34511424 , 103064713 , 5612947467 , 2289506211
n×2
25963838
n×3
38945757
n×4
51927676
n×5
64909595
n÷2
6490959.5
n÷3
4327306.3333333
n÷3
3245479.75
n÷5
2596383.8
n2
168530220922561
n3
2.1878456770688E+21
n4
2.8402435364207E+28
n5
3.6871811530087E+35
2 √n
3603.043019449
3 √n
235.02440670002
4 √n
60.025353138894
5 √n
26.464748978537
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
-12981918
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 12981919 can be divided by 4 positive divisors.
The sum of these divisors (counting 12981919) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100001011010011111
3
Ternary
220102112211211
4
Quaternary
301201122133
5
Quinary
11310410134
6
Senary
1142125251
8
Octal
61413237
10
Decimal
12981919
12
Duodecimal
4420827
16
Hexadecimal
c6169f
20
Vigesimal
412efj
36
Base36
7q8wv
md5
7badf36a51178c72841c40b2343bb477
sha1
d7f36cd693ed176daa6e08d0704786474b06da62
sha256
f6689c4c2bd9d94acd55180766ee8b8c7a905ff0efa17bcd3f533031200f25c6
sha512
a51bc83c693ef043fa83ea37f54a8f0dacb3c96b09e557d24ff011314cca67f85e8dfd63f5c17d4fa2839486d70d7e3627aaec247d982696abbba0840ae3c8f0
ripemd-160
50c07dbf95b4e462f89fcd58ab47f8ee4f6a22a9
Diameter
25963838
Circumference
81567802.719796
Area
5.2945330395818E+14
Volume
9.16442654169E+21
Surface area
2.1178132158327E+15
Circumference
81567802.719796
Perimeter
51927676
Area
168530220922561
Diagonal
18359205.915429
Surface area
1011181325535366
Volume
2.1878456770688E+21
Space diagonal
22485343.287744
Perimeter
38945757
Area
72975726312171
Altitude
11242671.643872
Surface area
72975726312171
Volume
2.5784008574084E+20
Height
6119735.305143