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

21491285 (number)

21491285 is an odd 8-digits composite number following 21491284 and preceding 21491286. In scientific notation, it is written as 2.1491285 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17022400 positive integers (up to 21491285) that are relatively prime to 21491285.

Interesting facts

21491285 has 8 divisors, whose sum is 26045496
The reverse of 21491285 is 58219412
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.1491285 × 10^7
Engineering notation	2.1491285 × 10^6

Prime Factorization of 21491285

Prime Factorization 5 × 101 × 42557

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491285	Product of the distinct prime numbers

The prime factorization of 21491285 is 5 × 101 × 42557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 14, 5, 585, 173, 7802, 6535, 68016, 19471, 971958, 553438, 3650966, 3548211, 86719847, 49776968, 883551417, 700697758, 7845724458, 7712818254

Basic calculations (n = 21491285)

Multiplication

n×y

n×2	42982570
n×3	64473855
n×4	85965140
n×5	107456425

Division

n÷y

n÷2	10745642.5
n÷3	7163761.6666667
n÷3	5372821.25
n÷5	4298257

Exponentiation

n^y

n²	461875330951225
n³	9.9262943719421E+21
n⁴	2.133288213413E+29
n⁵	4.58471049816E+36

Nth Root

^y√n

²√n	4635.8693898772
³√n	278.0273121554
⁴√n	68.087218990624
⁵√n	29.27200540654

Divisors of 21491285

1, 5, 101, 505, 42557, 212785, 4298257, 21491285

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	-21491284	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 21491285 can be divided by 8 positive divisors. The sum of these divisors (counting 21491285) is 1, the average is 0.125.

Base conversion 21491285

Base	System	Value
2	Binary	1010001111110111001010101
3	Ternary	1111102212111112
4	Quaternary	1101332321111
5	Quinary	21000210120
6	Senary	2044344405
8	Octal	121767125
10	Decimal	21491285
12	Duodecimal	7245105
16	Hexadecimal	147ee55
20	Vigesimal	6e6845
36	Base36	csms5

Cryptographic Hash Functions

md5	f3a8f8342413eba2bb0ed321b47903aa
sha1	b9388973f20adb4741dd3d310afbe1a02aab71ee
sha256	debf9b95ecff0cf799ed2a6c888c81e3c29eabdb5441e453ece97583ca48c53b
sha512	d9f6012f06e7e583f97f65afe864518f516a5b52bbe0f31b5da8615c7e600f660a614eb8265c13d67af5d2978ff40381e8c76e1db3bdb60ff46b002b2a6b1c1d
ripemd-160	3d7b67d30d69ae2240c828f681da6e49837f3ed8

21491285 as geometric shapes

Circle

Radius = n

Diameter	42982570
Circumference	135033726.14441
Area	1.4510241465907E+15

Sphere

Radius = n

Volume	4.1579164635017E+22
Surface area	5.8040965863629E+15
Circumference	135033726.14441

Square

Length = n

Perimeter	85965140
Area	461875330951225
Diagonal	30393266.719825

Cube

Length = n

Surface area	2771251985707350
Volume	9.9262943719421E+21
Space diagonal	37223997.539943

Equilateral Triangle

Length = n

Perimeter	64473855
Area	1.9999788499255E+14
Altitude	18611998.769971

Triangular Pyramid

Length = n

Surface area	1.9999788499255E+14
Volume	1.169825010409E+21
Height	10131088.906608