19981326 is an even 8-digits composite number following 19981325
and preceding 19981327 . In scientific notation, it is written as 1.9981326 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6505464 positive integers (up to 19981326) that are relatively prime to 19981326.
19981326 has 16 divisors, whose sum is 40892544
The reverse of 19981326 is 62318991
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million nine hundred eighty-one thousand three hundred twenty-six
Scientific notation
1.9981326 × 10^7
Engineering notation
1.9981326 × 10^6
Prime Factorization
2 × 3 × 43 × 77447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981326
Product of the distinct prime numbers
The prime factorization of 19981326 is 2 × 3 × 43 × 77447.
Since it has a total of 4 prime factors.
8 , 8 , 21 , 91 , 657 , 547 , 1312 , 9067 , 24037 , 85981 , 825028 , 211580 , 2186800 , 4305023 , 64063045 , 19248596 , 514438690 , 403627919 , 2506177035 , 133556597
n×2
39962652
n×3
59943978
n×4
79925304
n×5
99906630
n÷2
9990663
n÷3
6660442
n÷3
4995331.5
n÷5
3996265.2
n2
399253388718276
n3
7.9776121165846E+21
n4
1.5940326840303E+29
n5
3.1850886714264E+36
2 √n
4470.0476507527
3 √n
271.35725362803
4 √n
66.858414958423
5 √n
28.848607909024
1 , 2 , 3 , 6 , 43 , 86 , 129 , 258 , 77447 , 154894 , 232341 , 464682 , 3330221 , 6660442 , 9990663 , 19981326
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
-19981325
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 19981326 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981326) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010000001110
3
Ternary
1101121011020010
4
Quaternary
1030032100032
5
Quinary
20103400301
6
Senary
1552134050
8
Octal
114162016
10
Decimal
19981326
12
Duodecimal
6837326
16
Hexadecimal
130e40e
20
Vigesimal
64hd66
36
Base36
bw9ou
md5
1cea6b1a9382c50303b6fc86a019e709
sha1
89e0f1385389bd7e8a4fb3c86ae613873d900514
sha256
3ff26bbc84954bbee17ad6bcbd683c90fcd8151611ae600843bceeb17d6f040f
sha512
369bee16d7bf1f22346933f94e0025cec7ddcd0164ffead0f76876dde2123032ff6a3165a3418283f92639f8abedbddc3d9a78361cfed2dc06866756164312b8
ripemd-160
3b5f932abf65760d4d445503506ae2c09691d984
Diameter
39962652
Circumference
125546373.94117
Area
1.2542915129182E+15
Volume
3.3416543491535E+22
Surface area
5.0171660516727E+15
Circumference
125546373.94117
Perimeter
79925304
Area
399253388718276
Diagonal
28257862.223398
Surface area
2395520332309656
Volume
7.9776121165846E+21
Space diagonal
34608671.834597
Perimeter
59943978
Area
1.7288178858853E+14
Altitude
17304335.917298
Surface area
1.7288178858853E+14
Volume
9.4017060421882E+20
Height
9419287.4077994