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

19990731 (number)

19990731 is an odd 8-digits composite number following 19990730 and preceding 19990732. In scientific notation, it is written as 1.9990731 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13225160 positive integers (up to 19990731) that are relatively prime to 19990731.

Interesting facts

19990731 has 8 divisors, whose sum is 26858304
The reverse of 19990731 is 13709991
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	nineteen million nine hundred ninety thousand seven hundred thirty-one

Notation

Scientific notation	1.9990731 × 10^7
Engineering notation	1.9990731 × 10^6

Prime Factorization of 19990731

Prime Factorization 3 × 131 × 50867

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19990731	Product of the distinct prime numbers

The prime factorization of 19990731 is 3 × 131 × 50867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 34, 69, 97, 425, 7441, 6437, 31624, 12017, 15223, 143021, 3867494, 9963002, 19276339, 78762078, 803131106, 336775593, 5517147175, 9300092429

Basic calculations (n = 19990731)

Multiplication

n×y

n×2	39981462
n×3	59972193
n×4	79962924
n×5	99953655

Division

n÷y

n÷2	9995365.5
n÷3	6663577
n÷3	4997682.75
n÷5	3998146.2

Exponentiation

n^y

n²	399629325914361
n³	7.9888823540653E+21
n⁴	1.5970359813077E+29
n⁵	3.1925916699643E+36

Nth Root

^y√n

²√n	4471.0995291986
³√n	271.39982195169
⁴√n	66.866280958332
⁵√n	28.851323145126

Divisors of 19990731

1, 3, 131, 393, 50867, 152601, 6663577, 19990731

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19990730	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19990731 can be divided by 8 positive divisors. The sum of these divisors (counting 19990731) is 1, the average is 0.125.

Base conversion 19990731

Base	System	Value
2	Binary	1001100010000100011001011
3	Ternary	1101121122010110
4	Quaternary	1030100203023
5	Quinary	20104200411
6	Senary	1552245403
8	Octal	114204313
10	Decimal	19990731
12	Duodecimal	6840863
16	Hexadecimal	13108cb
20	Vigesimal	64iggb
36	Base36	bwgy3

Cryptographic Hash Functions

md5	433700d172b086f4523573cfabee4efa
sha1	7b55212df9189c0bdc1f88d483049546c8d7775f
sha256	a97d4b5e37dad7e928fc8b13d9ecfa90170c17b1ed393e021f36df2c87eb693e
sha512	786f63e023fcc822b875b0094868f859c5d778566e5ef053e06a334d86f4adb2d44638b90698a0afcda64ad29cd7adcab902a86d276b836ff6a189ed282410bf
ripemd-160	732accf20dae365f2c61a7225b7f60a2b1832cd0

19990731 as geometric shapes

Circle

Radius = n

Diameter	39981462
Circumference	125605467.29898
Area	1.2554725544516E+15

Sphere

Radius = n

Volume	3.34637521519E+22
Surface area	5.0218902178064E+15
Circumference	125605467.29898

Square

Length = n

Perimeter	79962924
Area	399629325914361
Diagonal	28271162.901952

Cube

Length = n

Surface area	2397775955486166
Volume	7.9888823540653E+21
Space diagonal	34624961.772442

Equilateral Triangle

Length = n

Perimeter	59972193
Area	1.7304457416954E+14
Altitude	17312480.886221

Triangular Pyramid

Length = n

Surface area	1.7304457416954E+14
Volume	9.4149881444352E+20
Height	9423720.9673174