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

19491421 (number)

19491421 is an odd 8-digits prime number following 19491420 and preceding 19491422. In scientific notation, it is written as 1.9491421 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 19491420 positive integers (up to 19491421) that are relatively prime to 19491421.

Interesting facts

19491421 has 2 divisors, whose sum is 19491422
The reverse of 19491421 is 12419491
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	nineteen million four hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation	1.9491421 × 10^7
Engineering notation	1.9491421 × 10^6

Prime Factorization of 19491421

Prime Factorization 19491421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	19491421	Product of the distinct prime numbers

The prime factorization of 19491421 is 19491421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 6, 10, 84, 146, 100, 3858, 9022, 48632, 53140, 103968, 248184, 6038337, 4358451, 11799379, 6402810, 385004448, 352273533, 303201859, 6159452850

Basic calculations (n = 19491421)

Multiplication

n×y

n×2	38982842
n×3	58474263
n×4	77965684
n×5	97457105

Division

n÷y

n÷2	9745710.5
n÷3	6497140.3333333
n÷3	4872855.25
n÷5	3898284.2

Exponentiation

n^y

n²	379915492599241
n³	7.4050928106742E+21
n⁴	1.4433578151692E+29
n⁵	2.8133094829104E+36

Nth Root

^y√n

²√n	4414.9089458334
³√n	269.1211525229
⁴√n	66.444781178309
⁵√n	28.705736923715

Divisors of 19491421

1, 19491421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	19491422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9745711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4414.909059086	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998973908	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19491421 can be divided by 2 positive divisors. The sum of these divisors (counting 19491421) is 19491422, the average is 9745711.

Base conversion 19491421

Base	System	Value
2	Binary	1001010010110101001011101
3	Ternary	1100200021012111
4	Quaternary	1022112221131
5	Quinary	14442211141
6	Senary	1533434021
8	Octal	112265135
10	Decimal	19491421
12	Duodecimal	663b911
16	Hexadecimal	1296a5d
20	Vigesimal	61g8b1
36	Base36	blrod

Cryptographic Hash Functions

md5	3b636e91747d8c6ed2f0f9c67698c5c0
sha1	66ab87243b8f4d8f47b8de7448a85e1ec772b3c7
sha256	dbb31778d66638f21a55b01a10ac34f38f1fb49743d9f3d8ddce2f1395fc2aad
sha512	47fbcbc09ccb10f0d2486a8a4586f2e0ae179a82436380641f094a9e26fabbd93aa3aa9a3c45012e6d6454320a49d1ddeff538500cbdbfac73734a10170b6a1e
ripemd-160	74565c58c0f1edfe6fc60a3584fc62eeed23c3ec

19491421 as geometric shapes

Circle

Radius = n

Diameter	38982842
Circumference	122468210.04325
Area	1.1935397205347E+15

Sphere

Radius = n

Volume	3.1018380230886E+22
Surface area	4.7741588821389E+15
Circumference	122468210.04325

Square

Length = n

Perimeter	77965684
Area	379915492599241
Diagonal	27565031.928124

Cube

Length = n

Surface area	2279492955595446
Volume	7.4050928106742E+21
Space diagonal	33760131.483715

Equilateral Triangle

Length = n

Perimeter	58474263
Area	1.6450823394111E+14
Altitude	16880065.741857

Triangular Pyramid

Length = n

Surface area	1.6450823394111E+14
Volume	8.7269855695725E+20
Height	9188343.9760413