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

21242457 (number)

21242457 is an odd 8-digits composite number following 21242456 and preceding 21242458. In scientific notation, it is written as 2.1242457 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13929120 positive integers (up to 21242457) that are relatively prime to 21242457.

Interesting facts

21242457 has 8 divisors, whose sum is 23990280
The reverse of 21242457 is 75424212
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million two hundred forty-two thousand four hundred fifty-seven

Notation

Scientific notation	2.1242457 × 10^7
Engineering notation	2.1242457 × 10^6

Prime Factorization of 21242457

Prime Factorization 9 × 61 × 38693

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21242457	Product of the distinct prime numbers

The prime factorization of 21242457 is 9 × 61 × 38693. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 59, 100, 486, 853, 2679, 797, 7291, 50291, 623285, 741883, 87979, 4442343, 86015806, 14331046, 741171668, 609163564, 8014117278, 1514999851

Basic calculations (n = 21242457)

Multiplication

n×y

n×2	42484914
n×3	63727371
n×4	84969828
n×5	106212285

Division

n÷y

n÷2	10621228.5
n÷3	7080819
n÷3	5310614.25
n÷5	4248491.4

Exponentiation

n^y

n²	451241979396849
n³	9.5854883439325E+21
n⁴	2.0361932396999E+29
n⁵	4.3253747338015E+36

Nth Root

^y√n

²√n	4608.954002808
³√n	276.95013590647
⁴√n	67.889277524569
⁵√n	29.203906516071

Divisors of 21242457

1, 9, 61, 549, 38693, 348237, 2360273, 21242457

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	-21242456	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 21242457 can be divided by 8 positive divisors. The sum of these divisors (counting 21242457) is 1, the average is 0.125.

Base conversion 21242457

Base	System	Value
2	Binary	1010001000010001001011001
3	Ternary	1110222020011200
4	Quaternary	1101002021121
5	Quinary	20414224312
6	Senary	2035144413
8	Octal	121021131
10	Decimal	21242457
12	Duodecimal	7145109
16	Hexadecimal	1442259
20	Vigesimal	6cf62h
36	Base36	cnas9

Cryptographic Hash Functions

md5	36797acc42c5214d0e7dd19929c76f38
sha1	5c92b91c4c4fe2b816bde2d67e40ee0489d2ff9b
sha256	89b725f81e46560417de1a200ea4e52068303bc5b9d8839fa47a8a7d9980b1de
sha512	3c45fcc940430cdf976584a7cfb0ec63f249eb21ae442b1649f78e7bb8044bb954efbe7cdcf220139b121a4eba3fbb3f583ec114fd662e7aa455cdd011097363
ripemd-160	d7d9f4fab6baad81a105993585ee48d6963dbb63

21242457 as geometric shapes

Circle

Radius = n

Diameter	42484914
Circumference	133470293.71079
Area	1.4176184874645E+15

Sphere

Radius = n

Volume	4.0151599683158E+22
Surface area	5.6704739498578E+15
Circumference	133470293.71079

Square

Length = n

Perimeter	84969828
Area	451241979396849
Diagonal	30041370.787527

Cube

Length = n

Surface area	2707451876381094
Volume	9.5854883439325E+21
Space diagonal	36793014.801597

Equilateral Triangle

Length = n

Perimeter	63727371
Area	1.9539350870582E+14
Altitude	18396507.400799

Triangular Pyramid

Length = n

Surface area	1.9539350870582E+14
Volume	1.1296606348299E+21
Height	10013790.262509