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

21491354 (number)

21491354 is an even 8-digits composite number following 21491353 and preceding 21491355. In scientific notation, it is written as 2.1491354 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10745676 positive integers (up to 21491354) that are relatively prime to 21491354.

Interesting facts

21491354 has 4 divisors, whose sum is 32237034
The reverse of 21491354 is 45319412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million four hundred ninety-one thousand three hundred fifty-four

Notation

Scientific notation	2.1491354 × 10^7
Engineering notation	2.1491354 × 10^6

Prime Factorization of 21491354

Prime Factorization 2 × 10745677

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491354	Product of the distinct prime numbers

The prime factorization of 21491354 is 2 × 10745677. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 84, 5, 358, 894, 7623, 5303, 57279, 4624, 837208, 702668, 4719229, 6628888, 17527845, 17063778, 679462858, 839940587, 7592556785, 6122063182

Basic calculations (n = 21491354)

Multiplication

n×y

n×2	42982708
n×3	64474062
n×4	85965416
n×5	107456770

Division

n÷y

n÷2	10745677
n÷3	7163784.6666667
n÷3	5372838.5
n÷5	4298270.8

Exponentiation

n^y

n²	461878296753316
n³	9.9263899804426E+21
n⁴	2.1333156101174E+29
n⁵	4.584784097076E+36

Nth Root

^y√n

²√n	4635.876831841
³√n	278.02760970026
⁴√n	68.087273640828
⁵√n	29.272024202677

Divisors of 21491354

1, 2, 10745677, 21491354

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	-21491353	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 21491354 can be divided by 4 positive divisors. The sum of these divisors (counting 21491354) is 1, the average is 0.25.

Base conversion 21491354

Base	System	Value
2	Binary	1010001111110111010011010
3	Ternary	1111102212121002
4	Quaternary	1101332322122
5	Quinary	21000210404
6	Senary	2044345002
8	Octal	121767232
10	Decimal	21491354
12	Duodecimal	7245162
16	Hexadecimal	147ee9a
20	Vigesimal	6e687e
36	Base36	csmu2

Cryptographic Hash Functions

md5	ef1ec05bd2bbcf3a76707cdeee48291c
sha1	1a037e200b04cc9910dfa4f7bc1ec0b8096d2003
sha256	e13f3ed01ef09e7c27245d46198cd376bdab9314256f49ae8e71cad5fe06f864
sha512	94120188ec496a77817a1c0becf09f15f0b0c288b2716d974e793d643ddf486f04b63e4ed3c38e8b724b776a2e570e0bed600818e4898ad1fba7aeed893038ad
ripemd-160	64cbe5d2f1776fc4ff15fd6a65f823535b5405e9

21491354 as geometric shapes

Circle

Radius = n

Diameter	42982708
Circumference	135034159.6842
Area	1.4510334639328E+15

Sphere

Radius = n

Volume	4.1579565118968E+22
Surface area	5.8041338557311E+15
Circumference	135034159.6842

Square

Length = n

Perimeter	85965416
Area	461878296753316
Diagonal	30393364.300561

Cube

Length = n

Surface area	2771269780519896
Volume	9.9263899804426E+21
Space diagonal	37224117.051449

Equilateral Triangle

Length = n

Perimeter	64474062
Area	1.9999916922253E+14
Altitude	18612058.525724

Triangular Pyramid

Length = n

Surface area	1.9999916922253E+14
Volume	1.1698362779789E+21
Height	10131121.43352