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

21442387 (number)

21442387 is an odd 8-digits composite number following 21442386 and preceding 21442388. In scientific notation, it is written as 2.1442387 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 20921352 positive integers (up to 21442387) that are relatively prime to 21442387.

Interesting facts

21442387 has 8 divisors, whose sum is 21966336
The reverse of 21442387 is 78324412
Previous prime number is 907

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred forty-two thousand three hundred eighty-seven

Notation

Scientific notation	2.1442387 × 10^7
Engineering notation	2.1442387 × 10^6

Prime Factorization of 21442387

Prime Factorization 47 × 907 × 503

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21442387	Product of the distinct prime numbers

The prime factorization of 21442387 is 47 × 907 × 503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 34, 33, 835, 715, 7654, 8080, 89111, 63973, 645166, 326540, 4632964, 9655428, 96559705, 10629577, 942100829, 943775227, 2922937164, 2068326322

Basic calculations (n = 21442387)

Multiplication

n×y

n×2	42884774
n×3	64327161
n×4	85769548
n×5	107211935

Division

n÷y

n÷2	10721193.5
n÷3	7147462.3333333
n÷3	5360596.75
n÷5	4288477.4

Exponentiation

n^y

n²	459775960257769
n³	9.8586940731437E+21
n⁴	2.1139393363095E+29
n⁵	4.5327905343672E+36

Nth Root

^y√n

²√n	4630.5925106837
³√n	277.81629168498
⁴√n	68.048457077907
⁵√n	29.258673053773

Divisors of 21442387

1, 47, 503, 907, 23641, 42629, 456221, 21442387

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	-21442386	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 21442387 can be divided by 8 positive divisors. The sum of these divisors (counting 21442387) is 1, the average is 0.125.

Base conversion 21442387

Base	System	Value
2	Binary	1010001110010111101010011
3	Ternary	1111100101102111
4	Quaternary	1101302331103
5	Quinary	20442124022
6	Senary	2043330151
8	Octal	121627523
10	Decimal	21442387
12	Duodecimal	7220957
16	Hexadecimal	1472f53
20	Vigesimal	6e05j7
36	Base36	crl1v

Cryptographic Hash Functions

md5	ca9c5175e21fbf6dd3473858343f9c8b
sha1	96ae0cc209674093f411cabe8818665d45eb448c
sha256	d6b84d078ca5328a6ecf2af9a81f9f6ebbe4e6b4202c3fd284c31c36a877cfcf
sha512	f826a65a25db9b01f7fe49d47a07eebac7cc59cb320a615d5f171a28a037e273f9d6144464b68f8be2504599e31f2c54205b06ec2f1bfdde4a2d15e8de253913
ripemd-160	c4978542cb5e05e745a59442870de8d7ddd3d1bf

21442387 as geometric shapes

Circle

Radius = n

Diameter	42884774
Circumference	134726490.94926
Area	1.444428779043E+15

Sphere

Radius = n

Volume	4.129600116557E+22
Surface area	5.777715116172E+15
Circumference	134726490.94926

Square

Length = n

Perimeter	85769548
Area	459775960257769
Diagonal	30324114.505053

Cube

Length = n

Surface area	2758655761546614
Volume	9.8586940731437E+21
Space diagonal	37139303.719554

Equilateral Triangle

Length = n

Perimeter	64327161
Area	1.9908883081631E+14
Altitude	18569651.859777

Triangular Pyramid

Length = n

Surface area	1.9908883081631E+14
Volume	1.1618582387939E+21
Height	10108038.168351