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

19871421 (number)

19871421 is an odd 8-digits composite number following 19871420 and preceding 19871422. In scientific notation, it is written as 1.9871421 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13030320 positive integers (up to 19871421) that are relatively prime to 19871421.

Interesting facts

19871421 has 8 divisors, whose sum is 26929824
The reverse of 19871421 is 12417891
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	nineteen million eight hundred seventy-one thousand four hundred twenty-one

Notation

Scientific notation	1.9871421 × 10^7
Engineering notation	1.9871421 × 10^6

Prime Factorization of 19871421

Prime Factorization 3 × 61 × 108587

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19871421	Product of the distinct prime numbers

The prime factorization of 19871421 is 3 × 61 × 108587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 40, 91, 70, 630, 8282, 3497, 9587, 54196, 792689, 764542, 8552943, 473501, 15868936, 11402644, 100828667, 761027485, 9326415447, 6682686680

Basic calculations (n = 19871421)

Multiplication

n×y

n×2	39742842
n×3	59614263
n×4	79485684
n×5	99357105

Division

n÷y

n÷2	9935710.5
n÷3	6623807
n÷3	4967855.25
n÷5	3974284.2

Exponentiation

n^y

n²	394873372559241
n³	7.8466950278145E+21
n⁴	1.5592498035631E+29
n⁵	3.0984509290769E+36

Nth Root

^y√n

²√n	4457.7372062516
³√n	270.85881545378
⁴√n	66.766287947224
⁵√n	28.816802160136

Divisors of 19871421

1, 3, 61, 183, 108587, 325761, 6623807, 19871421

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	-19871420	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 19871421 can be divided by 8 positive divisors. The sum of these divisors (counting 19871421) is 1, the average is 0.125.

Base conversion 19871421

Base	System	Value
2	Binary	1001011110011011010111101
3	Ternary	1101101120110120
4	Quaternary	1023303122331
5	Quinary	20041341141
6	Senary	1545525153
8	Octal	113633275
10	Decimal	19871421
12	Duodecimal	67a37b9
16	Hexadecimal	12f36bd
20	Vigesimal	643ib1
36	Base36	btwvx

Cryptographic Hash Functions

md5	edd08924fd501d2c116b743dece24ffd
sha1	22cc561bac11066894f428c5cff519dc76a3869e
sha256	aa5d7b9344642e6e7973bb94559e0296303b1fe9cca844f6907adc3535fcde7f
sha512	be201ea73e4d2ee03d4e0c04ae9bb877f1b8f6ab2ff25d1fbf3db30ad72fe4a3d90cc76a386e689d104ae3d9ed5e51b6ac945155d0f896090c15f91e8cbbed1a
ripemd-160	40c8d75f06ad42ffef82d854a128325ec12e6847

19871421 as geometric shapes

Circle

Radius = n

Diameter	39742842
Circumference	124855820.45998
Area	1.2405312863303E+15

Sphere

Radius = n

Volume	3.2868159272456E+22
Surface area	4.9621251453213E+15
Circumference	124855820.45998

Square

Length = n

Perimeter	79485684
Area	394873372559241
Diagonal	28102433.081826

Cube

Length = n

Surface area	2369240235355446
Volume	7.8466950278145E+21
Space diagonal	34418310.790591

Equilateral Triangle

Length = n

Perimeter	59614263
Area	1.7098518595717E+14
Altitude	17209155.395296

Triangular Pyramid

Length = n

Surface area	1.7098518595717E+14
Volume	9.2474187734507E+20
Height	9367477.6939418