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

21478021 (number)

21478021 is an odd 8-digits composite number following 21478020 and preceding 21478022. In scientific notation, it is written as 2.1478021 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 19160064 positive integers (up to 21478021) that are relatively prime to 21478021.

Interesting facts

21478021 has 16 divisors, whose sum is 23946624
The reverse of 21478021 is 12087412
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million four hundred seventy-eight thousand twenty-one

Notation

Scientific notation	2.1478021 × 10^7
Engineering notation	2.1478021 × 10^6

Prime Factorization of 21478021

Prime Factorization 17 × 23 × 163 × 337

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21478021	Product of the distinct prime numbers

The prime factorization of 21478021 is 17 × 23 × 163 × 337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 49, 33, 55, 657, 1364, 3042, 46420, 76909, 478758, 190928, 627238, 4707002, 78240047, 74549232, 296753015, 126172436, 5125048854, 626828390

Basic calculations (n = 21478021)

Multiplication

n×y

n×2	42956042
n×3	64434063
n×4	85912084
n×5	107390105

Division

n÷y

n÷2	10739010.5
n÷3	7159340.3333333
n÷3	5369505.25
n÷5	4295604.2

Exponentiation

n^y

n²	461305386076441
n³	9.9079267695629E+21
n⁴	2.1280265922313E+29
n⁵	4.5705799836503E+36

Nth Root

^y√n

²√n	4634.438585201
³√n	277.97010271448
⁴√n	68.076711033958
⁵√n	29.268391292569

Divisors of 21478021

1, 17, 23, 163, 337, 391, 2771, 3749, 5729, 7751, 54931, 63733, 131767, 933827, 1263413, 21478021

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21478020	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21478021 can be divided by 16 positive divisors. The sum of these divisors (counting 21478021) is 1, the average is 0.0625.

Base conversion 21478021

Base	System	Value
2	Binary	1010001111011101010000101
3	Ternary	1111102012022021
4	Quaternary	1101323222011
5	Quinary	20444244041
6	Senary	2044203141
8	Octal	121735205
10	Decimal	21478021
12	Duodecimal	72394b1
16	Hexadecimal	147ba85
20	Vigesimal	6e4f11
36	Base36	cscjp

Cryptographic Hash Functions

md5	22ab0cb80a83874e32b2fa23e7f5e3ab
sha1	0ac66c290ee11c29b4d0bfe34cb00da11344590e
sha256	248cb07022ccc3b916bbbb3bec1876119b20ecff5182d04ec07da6d2b36c0861
sha512	d01ac1c81bbaf7c55a1b926bdababf4a2597561f418b0aa76641a62401f637135b47824e825334e5253110c76a3e3290b3da4fbc20017c6625490bf80ce91ff0
ripemd-160	6621c81490b44d7b890297f4c6cd8b9a27fedca7

21478021 as geometric shapes

Circle

Radius = n

Diameter	42956042
Circumference	134950385.97449
Area	1.4492336119592E+15

Sphere

Radius = n

Volume	4.1502226602086E+22
Surface area	5.7969344478366E+15
Circumference	134950385.97449

Square

Length = n

Perimeter	85912084
Area	461305386076441
Diagonal	30374508.591134

Cube

Length = n

Surface area	2767832316458646
Volume	9.9079267695629E+21
Space diagonal	37201023.618031

Equilateral Triangle

Length = n

Perimeter	64434063
Area	1.9975109162239E+14
Altitude	18600511.809016

Triangular Pyramid

Length = n

Surface area	1.9975109162239E+14
Volume	1.1676603677096E+21
Height	10124836.197045