19809944 is an even 8-digits composite number following 19809943
and preceding 19809945 . In scientific notation, it is written as 1.9809944 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 7717920 positive integers (up to 19809944) that are relatively prime to 19809944.
19809944 has 32 divisors, whose sum is 46310400
The reverse of 19809944 is 44990891
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million eight hundred nine thousand nine hundred forty-four
Scientific notation
1.9809944 × 10^7
Engineering notation
1.9809944 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 11 × 32159
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4952486
Product of the distinct prime numbers
The prime factorization of 19809944 is 2 × 2 × 2 × 7 × 11 × 32159.
Since it has a total of 6 prime factors.
3 , 10 , 11 , 54 , 344 , 791 , 9496 , 3435 , 35986 , 8066 , 501687 , 306096 , 5920532 , 970653 , 98365464 , 57297634 , 188015168 , 486937121 , 473827944 , 968061249
n×2
39619888
n×3
59429832
n×4
79239776
n×5
99049720
n÷2
9904972
n÷3
6603314.6666667
n÷3
4952486
n÷5
3961988.8
n2
392433881283136
n3
7.7740932119216E+21
n4
1.5400435117895E+29
n5
3.0508175726113E+36
2 √n
4450.8363259055
3 √n
270.57920470251
4 √n
66.71458855382
5 √n
28.798949718323
1 , 2 , 4 , 7 , 8 , 11 , 14 , 22 , 28 , 44 , 56 , 77 , 88 , 154 , 308 , 616 , 32159 , 64318 , 128636 , 225113 , 257272 , 353749 , 450226 , 707498 , 900452 , 1414996 , 1800904 , 2476243 , 2829992 , 4952486 , 9904972 , 19809944
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19809943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19809944 can be divided by 32 positive divisors.
The sum of these divisors (counting 19809944) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011100100011010011000
3
Ternary
1101021110010122
4
Quaternary
1023210122120
5
Quinary
20032404234
6
Senary
1544332412
8
Octal
113443230
10
Decimal
19809944
12
Duodecimal
6774108
16
Hexadecimal
12e4698
20
Vigesimal
63g4h4
36
Base36
bslg8
md5
e88c59eaba400d85e38b489dea4ea62f
sha1
f1b888380d32314e07bf0c3566f276021aeff006
sha256
74682fad9b9715e4025d8483e398d58b7d4235cf452a74497bf279226c792d9f
sha512
ac6db11296b4fe04b08feb3dbb89af2c6017f6016aef6fbbd3528d36fc6c5c61fa9260dac00b1eaf765e769bc34dcf0b9980b5bf9027b5ea4b77aad91e0b277e
ripemd-160
f1fd92f04e8a4fd81d825c68f84704db1a20e12a
Diameter
39619888
Circumference
124469549.07685
Area
1.2328673984588E+15
Volume
3.2564045497193E+22
Surface area
4.9314695938353E+15
Circumference
124469549.07685
Perimeter
79239776
Area
392433881283136
Diagonal
28015491.474652
Surface area
2354603287698816
Volume
7.7740932119216E+21
Space diagonal
34311829.503094
Perimeter
59429832
Area
1.6992885524846E+14
Altitude
17155914.751547
Surface area
1.6992885524846E+14
Volume
9.1618567128768E+20
Height
9338497.1582172