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

21492561 (number)

21492561 is an odd 8-digits composite number following 21492560 and preceding 21492562. In scientific notation, it is written as 2.1492561 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13995072 positive integers (up to 21492561) that are relatively prime to 21492561.

Interesting facts

21492561 has 8 divisors, whose sum is 29323360
The reverse of 21492561 is 16529412
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million four hundred ninety-two thousand five hundred sixty-one

Notation

Scientific notation	2.1492561 × 10^7
Engineering notation	2.1492561 × 10^6

Prime Factorization of 21492561

Prime Factorization 3 × 43 × 166609

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492561	Product of the distinct prime numbers

The prime factorization of 21492561 is 3 × 43 × 166609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 39, 62, 764, 516, 8137, 7616, 42508, 64373, 986575, 879887, 2725225, 7255859, 88283819, 1862236, 951505347, 586274626, 7936330796, 6793755982

Basic calculations (n = 21492561)

Multiplication

n×y

n×2	42985122
n×3	64477683
n×4	85970244
n×5	107462805

Division

n÷y

n÷2	10746280.5
n÷3	7164187
n÷3	5373140.25
n÷5	4298512.2

Exponentiation

n^y

n²	461930178338721
n³	9.9280625356858E+21
n⁴	2.1337948966004E+29
n⁵	4.5860716976673E+36

Nth Root

^y√n

²√n	4636.0070103485
³√n	278.03281447614
⁴√n	68.088229602101
⁵√n	29.272352991078

Divisors of 21492561

1, 3, 43, 129, 166609, 499827, 7164187, 21492561

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	-21492560	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 21492561 can be divided by 8 positive divisors. The sum of these divisors (counting 21492561) is 1, the average is 0.125.

Base conversion 21492561

Base	System	Value
2	Binary	1010001111111001101010001
3	Ternary	1111102221020210
4	Quaternary	1101333031101
5	Quinary	21000230221
6	Senary	2044354333
8	Octal	121771521
10	Decimal	21492561
12	Duodecimal	72459a9
16	Hexadecimal	147f351
20	Vigesimal	6e6b81
36	Base36	csnrl

Cryptographic Hash Functions

md5	6fc606c6101f99bab50877311eb0ae3c
sha1	fd64b29a78448f9f94f82d96229ddad665c4a64e
sha256	82c5ee094d3d43b7ed710a7d85df601d3f7e47345d1bc04f952046b9e2fde951
sha512	d51ac8b7ce1e25c80b2b3de6710b6635b91b4c2169678a3d1a9302fd5fb4314e4afa5e5aa045da8a45527d6fc41edc081ca7fd7d27f0b46ecdeeccef55b424f8
ripemd-160	bb7e4e130cae18326d485bd684f43dbae9242e93

21492561 as geometric shapes

Circle

Radius = n

Diameter	42985122
Circumference	135041743.48886
Area	1.4511964547403E+15

Sphere

Radius = n

Volume	4.1586571101988E+22
Surface area	5.8047858189614E+15
Circumference	135041743.48886

Square

Length = n

Perimeter	85970244
Area	461930178338721
Diagonal	30395071.256331

Cube

Length = n

Surface area	2771581070032326
Volume	9.9280625356858E+21
Space diagonal	37226207.636773

Equilateral Triangle

Length = n

Perimeter	64477683
Area	2.00021634608E+14
Altitude	18613103.818387

Triangular Pyramid

Length = n

Surface area	2.00021634608E+14
Volume	1.1700333905046E+21
Height	10131690.418777