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

21082881 (number)

21082881 is an odd 8-digits composite number following 21082880 and preceding 21082882. In scientific notation, it is written as 2.1082881 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13221120 positive integers (up to 21082881) that are relatively prime to 21082881.

Interesting facts

21082881 has 16 divisors, whose sum is 29819520
The reverse of 21082881 is 18828012
Previous prime number is 61

Basic properties

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

Name

Name	twenty-one million eighty-two thousand eight hundred eighty-one

Notation

Scientific notation	2.1082881 × 10^7
Engineering notation	2.1082881 × 10^6

Prime Factorization of 21082881

Prime Factorization 3 × 23 × 61 × 5009

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21082881	Product of the distinct prime numbers

The prime factorization of 21082881 is 3 × 23 × 61 × 5009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 87, 47, 599, 348, 4524, 4644, 21362, 6454, 698414, 802476, 9843917, 7770687, 21526654, 68764032, 56017579, 105973668, 183455316, 1398072200

Basic calculations (n = 21082881)

Multiplication

n×y

n×2	42165762
n×3	63248643
n×4	84331524
n×5	105414405

Division

n÷y

n÷2	10541440.5
n÷3	7027627
n÷3	5270720.25
n÷5	4216576.2

Exponentiation

n^y

n²	444487871260161
n³	9.3710848957213E+21
n⁴	1.9756946769739E+29
n⁵	4.1653335766974E+36

Nth Root

^y√n

²√n	4591.6098484083
³√n	276.25489736955
⁴√n	67.761418583205
⁵√n	29.159897394456

Divisors of 21082881

1, 3, 23, 61, 69, 183, 1403, 4209, 5009, 15027, 115207, 305549, 345621, 916647, 7027627, 21082881

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	-21082880	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 21082881 can be divided by 16 positive divisors. The sum of these divisors (counting 21082881) is 1, the average is 0.0625.

Base conversion 21082881

Base	System	Value
2	Binary	1010000011011001100000001
3	Ternary	1110200010021110
4	Quaternary	1100123030001
5	Quinary	20344123011
6	Senary	2031513533
8	Octal	120331401
10	Decimal	21082881
12	Duodecimal	70888a9
16	Hexadecimal	141b301
20	Vigesimal	6bf741
36	Base36	cjvnl

Cryptographic Hash Functions

md5	f6fff5a100a9ad43fbceddce3820113f
sha1	96c16c052d199ead53d6fd0a892860a9049a2ee2
sha256	168e77288f31500fbcbce4c92abdf038eef3eb2e8901d9394c4ed61c766893cb
sha512	636180f91f7916a1b17734792edee823306704696e11b592a045c38fd920d403c84d9c6e8d49c9806c2eb2529c0c0ae76aaca0a2c582b44f51965916cd3b7a2f
ripemd-160	bfdefe0e7fead6929332eb7837c3fab782cf0c74

21082881 as geometric shapes

Circle

Radius = n

Diameter	42165762
Circumference	132467648.13222
Area	1.3963998309607E+15

Sphere

Radius = n

Volume	3.9253508619419E+22
Surface area	5.5855993238428E+15
Circumference	132467648.13222

Square

Length = n

Perimeter	84331524
Area	444487871260161
Diagonal	29815696.244098

Cube

Length = n

Surface area	2666927227560966
Volume	9.3710848957213E+21
Space diagonal	36516621.061929

Equilateral Triangle

Length = n

Perimeter	63248643
Area	1.9246889409268E+14
Altitude	18258310.530964

Triangular Pyramid

Length = n

Surface area	1.9246889409268E+14
Volume	1.1043929461399E+21
Height	9938565.4146993