12991844 is an even 8-digits composite number following 12991843
and preceding 12991845 . In scientific notation, it is written as 1.2991844 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 6495920 positive integers (up to 12991844) that are relatively prime to 12991844.
12991844 has 6 divisors, whose sum is 22735734
The reverse of 12991844 is 44819921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred ninety-one thousand eight hundred forty-four
Scientific notation
1.2991844 × 10^7
Engineering notation
1.2991844 × 10^6
Prime Factorization
2 × 2 × 3247961
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6495922
Product of the distinct prime numbers
The prime factorization of 12991844 is 2 × 2 × 3247961.
Since it has a total of 3 prime factors.
10 , 1 , 94 , 54 , 412 , 620 , 4485 , 5792 , 9289 , 41364 , 144789 , 746131 , 7291148 , 4455256 , 44696276 , 79755690 , 510632041 , 469554021 , 8487929090 , 6322189957
n×2
25983688
n×3
38975532
n×4
51967376
n×5
64959220
n÷2
6495922
n÷3
4330614.6666667
n÷3
3247961
n÷5
2598368.8
n2
168788010520336
n3
2.1928675017506E+21
n4
2.8489392495413E+28
n5
3.7012974295518E+35
2 √n
3604.4200643099
3 √n
235.08428544473
4 √n
60.036822570069
5 √n
26.468794333397
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
-12991843
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 12991844 can be divided by 6 positive divisors.
The sum of these divisors (counting 12991844) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110001100011110101100100
3
Ternary
220110001110102
4
Quaternary
301203311210
5
Quinary
11311214334
6
Senary
1142243232
8
Octal
61436544
10
Decimal
12991844
12
Duodecimal
4426518
16
Hexadecimal
c63d64
20
Vigesimal
413jc4
36
Base36
7qgkk
md5
9fa7055cc692dffdd75a4188eeeabab5
sha1
903075fcfdfe4860df5ec9d10f2afeb28fc3fc3c
sha256
85f1abb419bf26180e8275cb6c3f4e59c5a04fb8563d9d26423905691d5456de
sha512
2cc87d8d3ea0fe953dd613eea06f549f9c1c492a3aed6d73996534fb59bc882665dc2e72a05a10daa58b690a7bf6b633ea87b513e9e74e834fd783a948738434
ripemd-160
193345933d95379829564cbb6e2314d3858526c4
Diameter
25983688
Circumference
81630163.333969
Area
5.3026317386472E+14
Volume
9.1854619117272E+21
Surface area
2.1210526954589E+15
Circumference
81630163.333969
Perimeter
51967376
Area
168788010520336
Diagonal
18373241.985036
Surface area
1012728063122016
Volume
2.1928675017506E+21
Space diagonal
22502533.892009
Perimeter
38975532
Area
73087352482423
Altitude
11251266.946004
Surface area
73087352482423
Volume
2.5843191345524E+20
Height
6124413.9950118