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

21497739 (number)

21497739 is an odd 8-digits composite number following 21497738 and preceding 21497740. In scientific notation, it is written as 2.1497739 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14331824 positive integers (up to 21497739) that are relatively prime to 21497739.

Interesting facts

21497739 has 4 divisors, whose sum is 28663656
The reverse of 21497739 is 93779412
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.1497739 × 10^7
Engineering notation	2.1497739 × 10^6

Prime Factorization of 21497739

Prime Factorization 3 × 7165913

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21497739	Product of the distinct prime numbers

The prime factorization of 21497739 is 3 × 7165913. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 53, 27, 790, 138, 6235, 1800, 61004, 94851, 608267, 99867, 9771191, 6811564, 79434142, 59184496, 216180813, 377344304, 1631986768, 731382659

Basic calculations (n = 21497739)

Multiplication

n×y

n×2	42995478
n×3	64493217
n×4	85990956
n×5	107488695

Division

n÷y

n÷2	10748869.5
n÷3	7165913
n÷3	5374434.75
n÷5	4299547.8

Exponentiation

n^y

n²	462152782112121
n³	9.9352398879702E+21
n⁴	2.1358519401397E+29
n⁵	4.5915987551768E+36

Nth Root

^y√n

²√n	4636.5654314374
³√n	278.05514062447
⁴√n	68.092330195385
⁵√n	29.273763317555

Divisors of 21497739

1, 3, 7165913, 21497739

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	-21497738	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 21497739 can be divided by 4 positive divisors. The sum of these divisors (counting 21497739) is 1, the average is 0.25.

Base conversion 21497739

Base	System	Value
2	Binary	1010010000000011110001011
3	Ternary	1111110012100120
4	Quaternary	1102000132023
5	Quinary	21000411424
6	Senary	2044434323
8	Octal	122003613
10	Decimal	21497739
12	Duodecimal	72489a3
16	Hexadecimal	148078b
20	Vigesimal	6e746j
36	Base36	csrrf

Cryptographic Hash Functions

md5	cc67115b5d2385e065330f396fc998ff
sha1	ee7287e2735a0cea12900a5ee5ed57f6e4473eeb
sha256	80f5a7b9575ead22a1abaa6c22153915a3a80e3dea7b61b0be49236159a85c9f
sha512	d70ce402b276205bf8f38b2eac9fd311df14d1f02fe314d74f7a0e27284ea8e2a5b4a86973c6af56c21ffd651f001fc3b6ff212b2d07c2780a3d6cf51f672be4
ripemd-160	820fba1e81e52ccb75597dd727feb4a8861ef34e

21497739 as geometric shapes

Circle

Radius = n

Diameter	42995478
Circumference	135074277.82238
Area	1.4518957851195E+15

Sphere

Radius = n

Volume	4.1616635524933E+22
Surface area	5.8075831404781E+15
Circumference	135074277.82238

Square

Length = n

Perimeter	85990956
Area	462152782112121
Diagonal	30402394.054157

Cube

Length = n

Surface area	2772916692672726
Volume	9.9352398879702E+21
Space diagonal	37235176.195855

Equilateral Triangle

Length = n

Perimeter	64493217
Area	2.0011802486938E+14
Altitude	18617588.097927

Triangular Pyramid

Length = n

Surface area	2.0011802486938E+14
Volume	1.1708792495831E+21
Height	10134131.351386