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

21492090 (number)

21492090 is an even 8-digits composite number following 21492089 and preceding 21492091. In scientific notation, it is written as 2.1492090 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 5731200 positive integers (up to 21492090) that are relatively prime to 21492090.

Interesting facts

21492090 has 8 divisors, whose sum is 32954676
The reverse of 21492090 is 09029412
Previous prime number is 45

Basic properties

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

Name

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

Notation

Scientific notation	2.1492090 × 10^7
Engineering notation	2.1492090 × 10^6

Prime Factorization of 21492090

Prime Factorization 2 × 45 × 238801

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492090	Product of the distinct prime numbers

The prime factorization of 21492090 is 2 × 45 × 238801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 46, 87, 403, 455, 5187, 2650, 11712, 37556, 181622, 170015, 4385641, 1549075, 11989719, 34475076, 430185936, 714324807, 3396545815, 2953246643

Basic calculations (n = 21492090)

Multiplication

n×y

n×2	42984180
n×3	64476270
n×4	85968360
n×5	107460450

Division

n÷y

n÷2	10746045
n÷3	7164030
n÷3	5373022.5
n÷5	4298418

Exponentiation

n^y

n²	461909932568100
n³	9.9274098426475E+21
n⁴	2.1336078580507E+29
n⁵	4.5855692109932E+36

Nth Root

^y√n

²√n	4635.9562120451
³√n	278.03078347245
⁴√n	68.087856568151
⁵√n	29.272224691811

Divisors of 21492090

1, 2, 45, 90, 238801, 477602, 10746045, 21492090

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	-21492089	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 21492090 can be divided by 8 positive divisors. The sum of these divisors (counting 21492090) is 1, the average is 0.125.

Base conversion 21492090

Base	System	Value
2	Binary	1010001111111000101111010
3	Ternary	1111102220121100
4	Quaternary	1101333011322
5	Quinary	21000221330
6	Senary	2044352230
8	Octal	121770572
10	Decimal	21492090
12	Duodecimal	7245676
16	Hexadecimal	147f17a
20	Vigesimal	6e6a4a
36	Base36	csnei

Cryptographic Hash Functions

md5	d422538a7332b71d86d01e7e955ee065
sha1	a68e78d8f4e671a9a9e976b6c4f9216c1e83ef2b
sha256	a6190d76f50092cf800efb46c8018fe97b6ff59c7a28c24c7a9b8097f3d82d5b
sha512	6d6e8e86f8307c6fd4d2231c0192ef6b32d51272f51f51d2d876e61ca494a96b1ad22e0ec8b6e8b1ec022fede1aa12beb0b823e3c4f7191a230e1ed576fb8b9e
ripemd-160	ec6ba15ac423a5ff22df8dd8627de539f42c19ef

21492090 as geometric shapes

Circle

Radius = n

Diameter	42984180
Circumference	135038784.10858
Area	1.4511328507761E+15

Sphere

Radius = n

Volume	4.1583837107782E+22
Surface area	5.8045314031044E+15
Circumference	135038784.10858

Square

Length = n

Perimeter	85968360
Area	461909932568100
Diagonal	30394405.161743

Cube

Length = n

Surface area	2771459595408600
Volume	9.9274098426475E+21
Space diagonal	37225391.840843

Equilateral Triangle

Length = n

Perimeter	64476270
Area	2.0001286793217E+14
Altitude	18612695.920421

Triangular Pyramid

Length = n

Surface area	2.0001286793217E+14
Volume	1.1699564698924E+21
Height	10131468.387248