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

21081839 (number)

21081839 is an odd 8-digits composite number following 21081838 and preceding 21081840. In scientific notation, it is written as 2.1081839 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21064560 positive integers (up to 21081839) that are relatively prime to 21081839.

Interesting facts

21081839 has 4 divisors, whose sum is 21099120
The reverse of 21081839 is 93818012
Previous prime number is 1321

Basic properties

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

Name

Name	twenty-one million eighty-one thousand eight hundred thirty-nine

Notation

Scientific notation	2.1081839 × 10^7
Engineering notation	2.1081839 × 10^6

Prime Factorization of 21081839

Prime Factorization 1321 × 15959

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21081839	Product of the distinct prime numbers

The prime factorization of 21081839 is 1321 × 15959. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 34, 93, 299, 791, 5788, 944, 32186, 17180, 173921, 479934, 7185554, 7463228, 76172543, 51108109, 611749392, 878787212, 3581516182, 6009250878

Basic calculations (n = 21081839)

Multiplication

n×y

n×2	42163678
n×3	63245517
n×4	84327356
n×5	105409195

Division

n÷y

n÷2	10540919.5
n÷3	7027279.6666667
n÷3	5270459.75
n÷5	4216367.8

Exponentiation

n^y

n²	444443935621921
n³	9.3696954953077E+21
n⁴	1.975304119111E+29
n⁵	4.1643043415135E+36

Nth Root

^y√n

²√n	4591.4963791775
³√n	276.25034608858
⁴√n	67.760581307848
⁵√n	29.15960914909

Divisors of 21081839

1, 1321, 15959, 21081839

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21081838	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081839 can be divided by 4 positive divisors. The sum of these divisors (counting 21081839) is 1, the average is 0.25.

Base conversion 21081839

Base	System	Value
2	Binary	1010000011010111011101111
3	Ternary	1110200001211212
4	Quaternary	1100122323233
5	Quinary	20344104324
6	Senary	2031505035
8	Octal	120327357
10	Decimal	21081839
12	Duodecimal	708817b
16	Hexadecimal	141aeef
20	Vigesimal	6bf4bj
36	Base36	cjuun

Cryptographic Hash Functions

md5	5174b400aa06d724a10a748d3d59bcf9
sha1	33601d18a8e6e726c0ca334dcd5f0dcd011a299b
sha256	aed0f2306d239fb39cff293d8dcac3805be1e19717edd24572f7d04a1a03bc09
sha512	4fc6388a793965510f2e716e17ec22f69f45f3907ac3e886d7a1b28624b616016d37f9999086aace38ca7027ca5f86b908aebecef6117298ab65f3a8c9ffec90
ripemd-160	11300af178f4782ead1ad8ee0adb4aff2cd1f15c

21081839 as geometric shapes

Circle

Radius = n

Diameter	42163678
Circumference	132461101.05313
Area	1.3962618030824E+15

Sphere

Radius = n

Volume	3.9247688712576E+22
Surface area	5.5850472123294E+15
Circumference	132461101.05313

Square

Length = n

Perimeter	84327356
Area	444443935621921
Diagonal	29814222.633566

Cube

Length = n

Surface area	2666663613731526
Volume	9.3696954953077E+21
Space diagonal	36514816.264987

Equilateral Triangle

Length = n

Perimeter	63245517
Area	1.9244986940326E+14
Altitude	18257408.132494

Triangular Pyramid

Length = n

Surface area	1.9244986940326E+14
Volume	1.1042292037309E+21
Height	9938074.2111887