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

21493491 (number)

21493491 is an odd 8-digits composite number following 21493490 and preceding 21493492. In scientific notation, it is written as 2.1493491 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13392000 positive integers (up to 21493491) that are relatively prime to 21493491.

Interesting facts

21493491 has 8 divisors, whose sum is 28679424
The reverse of 21493491 is 19439412
Previous prime number is 2567

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-three thousand four hundred ninety-one

Notation

Scientific notation	2.1493491 × 10^7
Engineering notation	2.1493491 × 10^6

Prime Factorization of 21493491

Prime Factorization 3 × 2567 × 2791

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493491	Product of the distinct prime numbers

The prime factorization of 21493491 is 3 × 2567 × 2791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 79, 46, 427, 694, 9421, 2442, 68164, 76196, 494268, 193026, 5251989, 8316297, 24136102, 70597439, 211515209, 459974541, 1104387416, 1582239817

Basic calculations (n = 21493491)

Multiplication

n×y

n×2	42986982
n×3	64480473
n×4	85973964
n×5	107467455

Division

n÷y

n÷2	10746745.5
n÷3	7164497
n÷3	5373372.75
n÷5	4298698.2

Exponentiation

n^y

n²	461970155367081
n³	9.929351376651E+21
n⁴	2.1341642444988E+29
n⁵	4.5870639981658E+36

Nth Root

^y√n

²√n	4636.1073110962
³√n	278.03682465107
⁴√n	68.088966147947
⁵√n	29.272606314236

Divisors of 21493491

1, 3, 2567, 2791, 7701, 8373, 7164497, 21493491

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	-21493490	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 21493491 can be divided by 8 positive divisors. The sum of these divisors (counting 21493491) is 1, the average is 0.125.

Base conversion 21493491

Base	System	Value
2	Binary	1010001111111011011110011
3	Ternary	1111102222112020
4	Quaternary	1101333123303
5	Quinary	21000242431
6	Senary	2044402523
8	Octal	121773363
10	Decimal	21493491
12	Duodecimal	7246443
16	Hexadecimal	147f6f3
20	Vigesimal	6e6deb
36	Base36	csohf

Cryptographic Hash Functions

md5	675c64adfffe09cc4b1e01d208cc3027
sha1	c02e76186550261d4d2ecc0a117640984846187c
sha256	40d0dc3430c2c34461af611c06b02613f6bff635abab0dcb3d260cbd30e919ec
sha512	a48fd54d7581f28ba1262e6bd745f4b01314d3b38d1c2cb5d1b44bbd1599b8e7f6177196a477f2328bf9b14fe6acdbf59373069f363e4e422742d7ec790660ba
ripemd-160	733bc6bd61ea61f4334b2784e836272d7899dc47

21493491 as geometric shapes

Circle

Radius = n

Diameter	42986982
Circumference	135047586.8512
Area	1.451322046279E+15

Sphere

Radius = n

Volume	4.1591969786398E+22
Surface area	5.8052881851158E+15
Circumference	135047586.8512

Square

Length = n

Perimeter	85973964
Area	461970155367081
Diagonal	30396386.474944

Cube

Length = n

Surface area	2771820932202486
Volume	9.929351376651E+21
Space diagonal	37227818.444024

Equilateral Triangle

Length = n

Perimeter	64480473
Area	2.0003894516907E+14
Altitude	18613909.222012

Triangular Pyramid

Length = n

Surface area	2.0003894516907E+14
Volume	1.170185281869E+21
Height	10132128.824981