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

21497839 (number)

21497839 is an odd 8-digits composite number following 21497838 and preceding 21497840. In scientific notation, it is written as 2.1497839 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 19543480 positive integers (up to 21497839) that are relatively prime to 21497839.

Interesting facts

21497839 has 4 divisors, whose sum is 23452200
The reverse of 21497839 is 93879412
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.1497839 × 10^7
Engineering notation	2.1497839 × 10^6

Prime Factorization of 21497839

Prime Factorization 11 × 1954349

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21497839	Product of the distinct prime numbers

The prime factorization of 21497839 is 11 × 1954349. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 42, 77, 567, 186, 4891, 9476, 51308, 34230, 601772, 858971, 8673216, 2844349, 8209987, 87344480, 182066219, 116255579, 2500962272, 8882074609

Basic calculations (n = 21497839)

Multiplication

n×y

n×2	42995678
n×3	64493517
n×4	85991356
n×5	107489195

Division

n÷y

n÷2	10748919.5
n÷3	7165946.3333333
n÷3	5374459.75
n÷5	4299567.8

Exponentiation

n^y

n²	462157081669921
n³	9.9353785344498E+21
n⁴	2.1358916813766E+29
n⁵	4.5917055487673E+36

Nth Root

^y√n

²√n	4636.5762152692
³√n	278.05557176238
⁴√n	68.092409380703
⁵√n	29.273790551776

Divisors of 21497839

1, 11, 1954349, 21497839

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	-21497838	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 21497839 can be divided by 4 positive divisors. The sum of these divisors (counting 21497839) is 1, the average is 0.25.

Base conversion 21497839

Base	System	Value
2	Binary	1010010000000011111101111
3	Ternary	1111110012111021
4	Quaternary	1102000133233
5	Quinary	21000412324
6	Senary	2044435011
8	Octal	122003757
10	Decimal	21497839
12	Duodecimal	7248a67
16	Hexadecimal	14807ef
20	Vigesimal	6e74bj
36	Base36	csru7

Cryptographic Hash Functions

md5	f482a37c266a616682f8c30df5fc76ad
sha1	4964a6363f8dcccb3bf1c7714c45fa0533273bc2
sha256	8650bf5a257b1aee83d777c70be2408c12c0916f4d7e8521de7013c5159b4166
sha512	cb3d9fe76cdaf3c57241b1bbc6891cd12595add566e6d0dc934754e7b5e6ab18070e890cef9bda7eeafa158c03e1a179a3b9caed750895f33752994f83f7a45e
ripemd-160	e09c6b0b1f61e0b02afc4f26d01d8f3311c04a9b

21497839 as geometric shapes

Circle

Radius = n

Diameter	42995678
Circumference	135074906.14091
Area	1.4519092925787E+15

Sphere

Radius = n

Volume	4.1617216285948E+22
Surface area	5.8076371703149E+15
Circumference	135074906.14091

Square

Length = n

Perimeter	85991356
Area	462157081669921
Diagonal	30402535.475513

Cube

Length = n

Surface area	2772942490019526
Volume	9.9353785344498E+21
Space diagonal	37235349.400936

Equilateral Triangle

Length = n

Perimeter	64493517
Area	2.0011988663252E+14
Altitude	18617674.700468

Triangular Pyramid

Length = n

Surface area	2.0011988663252E+14
Volume	1.1708955892275E+21
Height	10134178.491838