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

21697438 (number)

21697438 is an even 8-digits composite number following 21697437 and preceding 21697439. In scientific notation, it is written as 2.1697438 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9298896 positive integers (up to 21697438) that are relatively prime to 21697438.

Interesting facts

21697438 has 8 divisors, whose sum is 37195632
The reverse of 21697438 is 83479612
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million six hundred ninety-seven thousand four hundred thirty-eight

Notation

Scientific notation	2.1697438 × 10^7
Engineering notation	2.1697438 × 10^6

Prime Factorization of 21697438

Prime Factorization 2 × 7 × 1549817

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21697438	Product of the distinct prime numbers

The prime factorization of 21697438 is 2 × 7 × 1549817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 88, 65, 24, 526, 7948, 9704, 58306, 75872, 20190, 181600, 5777918, 9885123, 65090335, 82079719, 436111917, 487158550, 7393213919, 3954568907

Basic calculations (n = 21697438)

Multiplication

n×y

n×2	43394876
n×3	65092314
n×4	86789752
n×5	108487190

Division

n÷y

n÷2	10848719
n÷3	7232479.3333333
n÷3	5424359.5
n÷5	4339487.6

Exponentiation

n^y

n²	470778815763844
n³	1.0214694166749E+22
n⁴	2.2163269337201E+29
n⁵	4.8088616232121E+36

Nth Root

^y√n

²√n	4658.0508799282
³√n	278.91346776693
⁴√n	68.249914871216
⁵√n	29.327948919688

Divisors of 21697438

1, 2, 7, 14, 1549817, 3099634, 10848719, 21697438

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	-21697437	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 21697438 can be divided by 8 positive divisors. The sum of these divisors (counting 21697438) is 1, the average is 0.125.

Base conversion 21697438

Base	System	Value
2	Binary	1010010110001001110011110
3	Ternary	1111211100021211
4	Quaternary	1102301032132
5	Quinary	21023304223
6	Senary	2053015034
8	Octal	122611636
10	Decimal	21697438
12	Duodecimal	732447a
16	Hexadecimal	14b139e
20	Vigesimal	6fc3bi
36	Base36	cx1um

Cryptographic Hash Functions

md5	307ecc9c0a0f81ae40463dda056bc837
sha1	f0967c50c5d7d14f53513cfef4156ccb23b9a106
sha256	0b9e5bfc0e559b623bc6a40a06b9e728641e6f70471ee7cc3c42fa72458e9dbe
sha512	1925487054071f90370af9c95ce987f88eeccecf388fd57cb70ef4e040218f7e3513999d9c17a2166d1bd8740d9a066e47d1a54182a712618cd6013ba44ff2b0
ripemd-160	ae1fbe59391218f0227057418c6fdba4e9f08928

21697438 as geometric shapes

Circle

Radius = n

Diameter	43394876
Circumference	136329023.64504
Area	1.4789952690694E+15

Sphere

Radius = n

Volume	4.2787210870569E+22
Surface area	5.9159810762776E+15
Circumference	136329023.64504

Square

Length = n

Perimeter	86789752
Area	470778815763844
Diagonal	30684811.088349

Cube

Length = n

Surface area	2824672894583064
Volume	1.0214694166749E+22
Space diagonal	37581065.010076

Equilateral Triangle

Length = n

Perimeter	65092314
Area	2.0385320700752E+14
Altitude	18790532.505038

Triangular Pyramid

Length = n

Surface area	2.0385320700752E+14
Volume	1.2038132521759E+21
Height	10228270.362783