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

21431138 (number)

21431138 is an even 8-digits composite number following 21431137 and preceding 21431139. In scientific notation, it is written as 2.1431138 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10715568 positive integers (up to 21431138) that are relatively prime to 21431138.

Interesting facts

21431138 has 4 divisors, whose sum is 32146710
The reverse of 21431138 is 83113412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.1431138 × 10^7
Engineering notation	2.1431138 × 10^6

Prime Factorization of 21431138

Prime Factorization 2 × 10715569

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21431138	Product of the distinct prime numbers

The prime factorization of 21431138 is 2 × 10715569. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 54, 43, 627, 461, 1959, 846, 89853, 54432, 814369, 274344, 9774201, 8997964, 20631130, 77362038, 15818569, 808923644, 5793944713, 2158626760

Basic calculations (n = 21431138)

Multiplication

n×y

n×2	42862276
n×3	64293414
n×4	85724552
n×5	107155690

Division

n÷y

n÷2	10715569
n÷3	7143712.6666667
n÷3	5357784.5
n÷5	4286227.6

Exponentiation

n^y

n²	459293675975044
n³	9.8431861523485E+21
n⁴	2.1095068079067E+29
n⁵	4.5209131512188E+36

Nth Root

^y√n

²√n	4629.3777119609
³√n	277.76770097964
⁴√n	68.039530509556
⁵√n	29.255602501024

Divisors of 21431138

1, 2, 10715569, 21431138

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21431137	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431138 can be divided by 4 positive divisors. The sum of these divisors (counting 21431138) is 1, the average is 0.25.

Base conversion 21431138

Base	System	Value
2	Binary	1010001110000001101100010
3	Ternary	1111022210222212
4	Quaternary	1101300031202
5	Quinary	20441244023
6	Senary	2043202122
8	Octal	121601542
10	Decimal	21431138
12	Duodecimal	7216342
16	Hexadecimal	1470362
20	Vigesimal	6dihgi
36	Base36	crcde

Cryptographic Hash Functions

md5	2a345f61a408cfcdca76c27f54ec95e8
sha1	79ba6251dad6f58ebb4452bcd7d8b00576836bb0
sha256	efd2d0135a26b40a7d11a8a3a3b7d77088ea9efed446b741ce004512324a038b
sha512	d297df958ba6f12fa1315825cefaa7e97a2b97ddffa332b0d427a188bf0a6bbabf34a1285d7e74b3d0203b8b7364124d2eee27344f9d3742175ccef9e66e96a3
ripemd-160	aad038d54097f2c841322a302b1bf0f02035a63e

21431138 as geometric shapes

Circle

Radius = n

Diameter	42862276
Circumference	134655811.39774
Area	1.4429136382834E+15

Sphere

Radius = n

Volume	4.1231041738846E+22
Surface area	5.7716545531338E+15
Circumference	134655811.39774

Square

Length = n

Perimeter	85724552
Area	459293675975044
Diagonal	30308206.016689

Cube

Length = n

Surface area	2755762055850264
Volume	9.8431861523485E+21
Space diagonal	37119819.88002

Equilateral Triangle

Length = n

Perimeter	64293414
Area	1.9887999559596E+14
Altitude	18559909.94001

Triangular Pyramid

Length = n

Surface area	1.9887999559596E+14
Volume	1.1600306128012E+21
Height	10102735.338896