19981369 (number)

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.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand three hundred sixty-nine

Notation

Scientific notation 1.9981369 × 10^7
Engineering notation 1.9981369 × 10^6

Prime Factorization of 19981369

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.

Most popular turbo-numbers

Basic calculations (n = 19981369)

Multiplication

n×y
n×2 39962738
n×3 59944107
n×4 79925476
n×5 99906845

Division

n÷y
n÷2 9990684.5
n÷3 6660456.3333333
n÷3 4995342.25
n÷5 3996273.8

Exponentiation

ny
n2 399255107114161
n3 7.9776636203826E+21
n4 1.5940464055674E+29
n5 3.1851229432766E+36

Nth Root

y√n
2√n 4470.0524605423
3√n 271.35744828233
4√n 66.858450928378
5√n 28.848620325508

Divisors of 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 conversion 19981369

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

Cryptographic Hash Functions

md5 215309f5cefcb7d5e7b2b33902b3e590
sha1 b62151d9a8919353f4e69bd57ec4d908a3b2de71
sha256 5a2112200abe3e4720fb8e4a705fc781c401435c257c80eaa17a350d6469df65
sha512 601a39904d0ca2072624ba832a98c56d6f25bd0f05dc6368827c1dd9a9ce6c63cb3924dc27da080fcbfd13aebb24348096d23bfbb33badb4466f6ec7b5e1706a
ripemd-160 3c9df7da58ea399ce2f702f5723ea6c5b5048cb8

19981369 as geometric shapes

Circle

Radius = n
Diameter 39962738
Circumference 125546644.11813
Area 1.2542969114181E+15

Sphere

Radius = n
Volume 3.3416759230139E+22
Surface area 5.0171876456722E+15
Circumference 125546644.11813

Square

Length = n
Perimeter 79925476
Area 399255107114161
Diagonal 28257923.034581

Cube

Length = n
Surface area 2395530642684966
Volume 7.9776636203826E+21
Space diagonal 34608746.312782

Equilateral Triangle

Length = n
Perimeter 59944107
Area 1.7288253267577E+14
Altitude 17304373.156391

Triangular Pyramid

Length = n
Surface area 1.7288253267577E+14
Volume 9.4017667399962E+20
Height 9419307.6781938