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

21492681 (number)

21492681 is an odd 8-digits composite number following 21492680 and preceding 21492682. In scientific notation, it is written as 2.1492681 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12281520 positive integers (up to 21492681) that are relatively prime to 21492681.

Interesting facts

21492681 has 8 divisors, whose sum is 32750784
The reverse of 21492681 is 18629412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million four hundred ninety-two thousand six hundred eighty-one

Notation

Scientific notation	2.1492681 × 10^7
Engineering notation	2.1492681 × 10^6

Prime Factorization of 21492681

Prime Factorization 3 × 7 × 1023461

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492681	Product of the distinct prime numbers

The prime factorization of 21492681 is 3 × 7 × 1023461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 96, 18, 699, 938, 2808, 2296, 66824, 33022, 721336, 937413, 454572, 9701625, 6264457, 35981924, 590984680, 422234555, 4880468446, 4747975214

Basic calculations (n = 21492681)

Multiplication

n×y

n×2	42985362
n×3	64478043
n×4	85970724
n×5	107463405

Division

n÷y

n÷2	10746340.5
n÷3	7164227
n÷3	5373170.25
n÷5	4298536.2

Exponentiation

n^y

n²	461935336567761
n³	9.9282288314785E+21
n⁴	2.1338425516997E+29
n⁵	4.5861997267908E+36

Nth Root

^y√n

²√n	4636.0199525024
³√n	278.03333192457
⁴√n	68.088324641618
⁵√n	29.27238567843

Divisors of 21492681

1, 3, 7, 21, 1023461, 3070383, 7164227, 21492681

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	-21492680	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 21492681 can be divided by 8 positive divisors. The sum of these divisors (counting 21492681) is 1, the average is 0.125.

Base conversion 21492681

Base	System	Value
2	Binary	1010001111111001111001001
3	Ternary	1111102221102020
4	Quaternary	1101333033021
5	Quinary	21000231211
6	Senary	2044355053
8	Octal	121771711
10	Decimal	21492681
12	Duodecimal	7245a89
16	Hexadecimal	147f3c9
20	Vigesimal	6e6be1
36	Base36	csnux

Cryptographic Hash Functions

md5	ccfd4098eed317b4cf8c572774f8d232
sha1	f4d982c8ca06dfc19e4bfda42512775ccca732e8
sha256	aeb9cc81b585d859a67c4318193ca83d9a98855a763385ca99c4bbb382f8f5f6
sha512	39790cac40b622cfd31584e7bdc1fd03c8f57748ed0fc227959ea86de661fc10e1f716d311224ef7439b626389ccdaa59ada5514be308f6dff6485e54446ab3d
ripemd-160	1856ce89b35a89491ca63f53b6eca9f48ac6a3d4

21492681 as geometric shapes

Circle

Radius = n

Diameter	42985362
Circumference	135042497.4711
Area	1.4512126597948E+15

Sphere

Radius = n

Volume	4.1587267680175E+22
Surface area	5.8048506391792E+15
Circumference	135042497.4711

Square

Length = n

Perimeter	85970724
Area	461935336567761
Diagonal	30395240.961959

Cube

Length = n

Surface area	2771612019406566
Volume	9.9282288314785E+21
Space diagonal	37226415.48287

Equilateral Triangle

Length = n

Perimeter	64478043
Area	2.000238681867E+14
Altitude	18613207.741435

Triangular Pyramid

Length = n

Surface area	2.000238681867E+14
Volume	1.1700529886517E+21
Height	10131746.98732