Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

19981531 (number)

19981531 is an odd 8-digits composite number following 19981530 and preceding 19981532. In scientific notation, it is written as 1.9981531 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19965064 positive integers (up to 19981531) that are relatively prime to 19981531.

Interesting facts

19981531 has 4 divisors, whose sum is 19998000
The reverse of 19981531 is 13518991
Previous prime number is 1319

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	nineteen million nine hundred eighty-one thousand five hundred thirty-one

Notation

Scientific notation	1.9981531 × 10^7
Engineering notation	1.9981531 × 10^6

Prime Factorization of 19981531

Prime Factorization 1319 × 15149

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19981531	Product of the distinct prime numbers

The prime factorization of 19981531 is 1319 × 15149. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 84, 53, 524, 273, 7914, 5077, 50872, 23765, 523515, 402963, 9433220, 6793860, 51793680, 39282351, 378512735, 571481416, 350396069, 5680392542

Basic calculations (n = 19981531)

Multiplication

n×y

n×2	39963062
n×3	59944593
n×4	79926124
n×5	99907655

Division

n÷y

n÷2	9990765.5
n÷3	6660510.3333333
n÷3	4995382.75
n÷5	3996306.2

Exponentiation

n^y

n²	399261581103961
n³	7.9778576599378E+21
n⁴	1.5940981014563E+29
n⁵	3.1852520631291E+36

Nth Root

^y√n

²√n	4470.0705810982
³√n	271.35818162861
⁴√n	66.858586442567
⁵√n	28.848667103698

Divisors of 19981531

1, 1319, 15149, 19981531

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19981530	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981531 can be divided by 4 positive divisors. The sum of these divisors (counting 19981531) is 1, the average is 0.25.

Base conversion 19981531

Base	System	Value
2	Binary	1001100001110010011011011
3	Ternary	1101121011111201
4	Quaternary	1030032103123
5	Quinary	20103402111
6	Senary	1552135031
8	Octal	114162333
10	Decimal	19981531
12	Duodecimal	6837477
16	Hexadecimal	130e4db
20	Vigesimal	64hdgb
36	Base36	bw9uj

Cryptographic Hash Functions

md5	ed5200312ba0612b2d12020556984a6e
sha1	28ae0685df56aeb87f62355fd4cd5a518af15d70
sha256	3525cfae0d4879b30e241ac810c2e465527857583c5e4588fcce01b1bd5ebe94
sha512	41e278240d9ca121bfe00c1de663075789ebe864a7110579a7ae7548e9116e6bfaeb3148bc9a027e29e6cdc2767139c9f3cd63656ca8b63ac4df6f0aa6448a8c
ripemd-160	ceeec8ec2d73ec805fdd13f01cebc6bf37b76b42

19981531 as geometric shapes

Circle

Radius = n

Diameter	39963062
Circumference	125547661.99415
Area	1.2543172500568E+15

Sphere

Radius = n

Volume	3.3417572021128E+22
Surface area	5.0172690002274E+15
Circumference	125547661.99415

Square

Length = n

Perimeter	79926124
Area	399261581103961
Diagonal	28258152.137178

Cube

Length = n

Surface area	2395569486623766
Volume	7.9778576599378E+21
Space diagonal	34609026.905013

Equilateral Triangle

Length = n

Perimeter	59944593
Area	1.7288533599559E+14
Altitude	17304513.452506

Triangular Pyramid

Length = n

Surface area	1.7288533599559E+14
Volume	9.4019954178051E+20
Height	9419384.0457261