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

21001438 (number)

21001438 is an even 8-digits composite number following 21001437 and preceding 21001439. In scientific notation, it is written as 2.1001438 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 10044144 positive integers (up to 21001438) that are relatively prime to 21001438.

Interesting facts

21001438 has 8 divisors, whose sum is 32871888
The reverse of 21001438 is 83410012
Previous prime number is 23

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty-one million one thousand four hundred thirty-eight

Notation

Scientific notation	2.1001438 × 10^7
Engineering notation	2.1001438 × 10^6

Prime Factorization of 21001438

Prime Factorization 2 × 23 × 456553

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21001438	Product of the distinct prime numbers

The prime factorization of 21001438 is 2 × 23 × 456553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 35, 37, 861, 613, 7455, 7492, 15640, 54669, 406924, 197455, 50611, 7425342, 6439097, 84868568, 720651767, 611572316, 2406502624, 2206855646

Basic calculations (n = 21001438)

Multiplication

n×y

n×2	42002876
n×3	63004314
n×4	84005752
n×5	105007190

Division

n÷y

n÷2	10500719
n÷3	7000479.3333333
n÷3	5250359.5
n÷5	4200287.6

Exponentiation

n^y

n²	441060398067844
n³	9.2629026042771E+21
n⁴	1.9453427474377E+29
n⁵	4.0854995099061E+36

Nth Root

^y√n

²√n	4582.7325909331
³√n	275.89871484829
⁴√n	67.695883116576
⁵√n	29.137333612089

Divisors of 21001438

1, 2, 23, 46, 456553, 913106, 10500719, 21001438

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	-21001437	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 21001438 can be divided by 8 positive divisors. The sum of these divisors (counting 21001438) is 1, the average is 0.125.

Base conversion 21001438

Base	System	Value
2	Binary	1010000000111010011011110
3	Ternary	1110111222120001
4	Quaternary	1100013103132
5	Quinary	20334021223
6	Senary	2030044514
8	Octal	120072336
10	Decimal	21001438
12	Duodecimal	704973a
16	Hexadecimal	14074de
20	Vigesimal	6b53bi
36	Base36	ci4ta

Cryptographic Hash Functions

md5	bc68355048922823e44557673ff71d5d
sha1	c722a605d37cd07da72dcbe57d56f63012edfaf0
sha256	234e6fdc35125fde4aaff7670c514da7be6353ceedf2a255de9fbea62f560b39
sha512	4adb269cf77ee3e29c66bc06aafea892af67183067a3da19aac01d85119a759c10b33d85ddebed2495cec420bd5a2240f9f3c2782a3b13cf068456708a5d69f6
ripemd-160	51d7f6fa34c51be71fee82c095b39fcb141500b4

21001438 as geometric shapes

Circle

Radius = n

Diameter	42002876
Circumference	131955926.67124
Area	1.3856321063593E+15

Sphere

Radius = n

Volume	3.8800355696686E+22
Surface area	5.5425284254373E+15
Circumference	131955926.67124

Square

Length = n

Perimeter	84005752
Area	441060398067844
Diagonal	29700518.448938

Cube

Length = n

Surface area	2646362388407064
Volume	9.2629026042771E+21
Space diagonal	36375557.648008

Equilateral Triangle

Length = n

Perimeter	63004314
Area	1.9098475466501E+14
Altitude	18187778.824004

Triangular Pyramid

Length = n

Surface area	1.9098475466501E+14
Volume	1.0916435408258E+21
Height	9900172.8163126