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

21491402 (number)

21491402 is an even 8-digits composite number following 21491401 and preceding 21491403. In scientific notation, it is written as 2.1491402 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 10697292 positive integers (up to 21491402) that are relatively prime to 21491402.

Interesting facts

21491402 has 8 divisors, whose sum is 32382336
The reverse of 21491402 is 20419412
Previous prime number is 223

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 ninety-one thousand four hundred two

Notation

Scientific notation	2.1491402 × 10^7
Engineering notation	2.1491402 × 10^6

Prime Factorization of 21491402

Prime Factorization 2 × 223 × 48187

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491402	Product of the distinct prime numbers

The prime factorization of 21491402 is 2 × 223 × 48187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 57, 21, 235, 50, 2522, 9150, 20187, 98439, 475929, 758813, 7846772, 3495123, 9416828, 77391974, 640855475, 814158038, 1946078882, 6130392448

Basic calculations (n = 21491402)

Multiplication

n×y

n×2	42982804
n×3	64474206
n×4	85965608
n×5	107457010

Division

n÷y

n÷2	10745701
n÷3	7163800.6666667
n÷3	5372850.5
n÷5	4298280.4

Exponentiation

n^y

n²	461880359925604
n³	9.9264564910658E+21
n⁴	2.1333346688501E+29
n⁵	4.5848352968793E+36

Nth Root

^y√n

²√n	4635.8820088523
³√n	278.02781668761
⁴√n	68.087311658284
⁵√n	29.272037278223

Divisors of 21491402

1, 2, 223, 446, 48187, 96374, 10745701, 21491402

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	-21491401	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 21491402 can be divided by 8 positive divisors. The sum of these divisors (counting 21491402) is 1, the average is 0.125.

Base conversion 21491402

Base	System	Value
2	Binary	1010001111110111011001010
3	Ternary	1111102212122212
4	Quaternary	1101332323022
5	Quinary	21000211102
6	Senary	2044345122
8	Octal	121767312
10	Decimal	21491402
12	Duodecimal	72451a2
16	Hexadecimal	147eeca
20	Vigesimal	6e68a2
36	Base36	csmve

Cryptographic Hash Functions

md5	64f578563694052fa26bd196c9cf92c1
sha1	746000784d87f7600600c4f1816482d7b78bca71
sha256	3670db94613b75b5923ff3e147ee6039624b9ade5bc9efc74f88f1845041eae7
sha512	6f050c7b1a40c79f6855d62e8897a49d61d41f498c1d98fcbe79820757ab09237437cab6eb63896bc4185de09560b10e199851369996e063e1e4dce03aad7e55
ripemd-160	a5ce74974a0bfddd657b80a413fd2f971162e8d7

21491402 as geometric shapes

Circle

Radius = n

Diameter	42982804
Circumference	135034461.27709
Area	1.4510399455797E+15

Sphere

Radius = n

Volume	4.1579843718015E+22
Surface area	5.8041597823187E+15
Circumference	135034461.27709

Square

Length = n

Perimeter	85965608
Area	461880359925604
Diagonal	30393432.182812

Cube

Length = n

Surface area	2771282159553624
Volume	9.9264564910658E+21
Space diagonal	37224200.189887

Equilateral Triangle

Length = n

Perimeter	64474206
Area	2.0000006260234E+14
Altitude	18612100.094944

Triangular Pyramid

Length = n

Surface area	2.0000006260234E+14
Volume	1.169844116331E+21
Height	10131144.060937