19981369 is an odd 8-digits composite number following 19981368
and preceding 19981370 . In scientific notation, it is written as 1.9981369 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 17962560 positive integers (up to 19981369) that are relatively prime to 19981369.
19981369 has 16 divisors, whose sum is 22137280
The reverse of 19981369 is 96318991
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred eighty-one thousand three hundred sixty-nine
Scientific notation
1.9981369 × 10^7
Engineering notation
1.9981369 × 10^6
Prime Factorization
19 × 37 × 661 × 43
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981369
Product of the distinct prime numbers
The prime factorization of 19981369 is 19 × 37 × 661 × 43.
Since it has a total of 4 prime factors.
2 , 10 , 55 , 73 , 561 , 315 , 8049 , 1871 , 21068 , 83170 , 156430 , 572215 , 4651294 , 6517332 , 8215435 , 61703699 , 101098286 , 492844433 , 306411605 , 5006728084
n×2
39962738
n×3
59944107
n×4
79925476
n×5
99906845
n÷2
9990684.5
n÷3
6660456.3333333
n÷3
4995342.25
n÷5
3996273.8
n2
399255107114161
n3
7.9776636203826E+21
n4
1.5940464055674E+29
n5
3.1851229432766E+36
2 √n
4470.0524605423
3 √n
271.35744828233
4 √n
66.858450928378
5 √n
28.848620325508
1 , 19 , 37 , 43 , 661 , 703 , 817 , 1591 , 12559 , 24457 , 28423 , 30229 , 464683 , 540037 , 1051651 , 19981369
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
-19981368
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 19981369 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981369) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010000111001
3
Ternary
1101121011021201
4
Quaternary
1030032100321
5
Quinary
20103400434
6
Senary
1552134201
8
Octal
114162071
10
Decimal
19981369
12
Duodecimal
6837361
16
Hexadecimal
130e439
20
Vigesimal
64hd89
36
Base36
bw9q1
md5
215309f5cefcb7d5e7b2b33902b3e590
sha1
b62151d9a8919353f4e69bd57ec4d908a3b2de71
sha256
5a2112200abe3e4720fb8e4a705fc781c401435c257c80eaa17a350d6469df65
sha512
601a39904d0ca2072624ba832a98c56d6f25bd0f05dc6368827c1dd9a9ce6c63cb3924dc27da080fcbfd13aebb24348096d23bfbb33badb4466f6ec7b5e1706a
ripemd-160
3c9df7da58ea399ce2f702f5723ea6c5b5048cb8
Diameter
39962738
Circumference
125546644.11813
Area
1.2542969114181E+15
Volume
3.3416759230139E+22
Surface area
5.0171876456722E+15
Circumference
125546644.11813
Perimeter
79925476
Area
399255107114161
Diagonal
28257923.034581
Surface area
2395530642684966
Volume
7.9776636203826E+21
Space diagonal
34608746.312782
Perimeter
59944107
Area
1.7288253267577E+14
Altitude
17304373.156391
Surface area
1.7288253267577E+14
Volume
9.4017667399962E+20
Height
9419307.6781938