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

21856871 (number)

21856871 is an odd 8-digits composite number following 21856870 and preceding 21856872. In scientific notation, it is written as 2.1856871 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21807744 positive integers (up to 21856871) that are relatively prime to 21856871.

Interesting facts

21856871 has 4 divisors, whose sum is 21906000
The reverse of 21856871 is 17865812
Previous prime number is 48679

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million eight hundred fifty-six thousand eight hundred seventy-one

Notation

Scientific notation	2.1856871 × 10^7
Engineering notation	2.1856871 × 10^6

Prime Factorization of 21856871

Prime Factorization 48679 × 449

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21856871	Product of the distinct prime numbers

The prime factorization of 21856871 is 48679 × 449. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 60, 97, 331, 791, 6944, 8050, 42576, 27631, 841730, 317351, 3861558, 6549226, 26910324, 50767486, 856742208, 940874098, 5985555144, 216552067

Basic calculations (n = 21856871)

Multiplication

n×y

n×2	43713742
n×3	65570613
n×4	87427484
n×5	109284355

Division

n÷y

n÷2	10928435.5
n÷3	7285623.6666667
n÷3	5464217.75
n÷5	4371374.2

Exponentiation

n^y

n²	477722809910641
n³	1.0441525829974E+22
n⁴	2.2821908310892E+29
n⁵	4.9881550592499E+36

Nth Root

^y√n

²√n	4675.1332601328
³√n	279.59495431278
⁴√n	68.374946143546
⁵√n	29.370923209138

Divisors of 21856871

1, 449, 48679, 21856871

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	-21856870	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 21856871 can be divided by 4 positive divisors. The sum of these divisors (counting 21856871) is 1, the average is 0.25.

Base conversion 21856871

Base	System	Value
2	Binary	1010011011000001001100111
3	Ternary	1112010102222202
4	Quaternary	1103120021213
5	Quinary	21043404441
6	Senary	2100245115
8	Octal	123301147
10	Decimal	21856871
12	Duodecimal	73a079b
16	Hexadecimal	14d8267
20	Vigesimal	6gc23b
36	Base36	d0gvb

Cryptographic Hash Functions

md5	0446471530b4a23022789dbf4d89a54d
sha1	d6a0d1f555906862309f3d25e00f6f2b25bb7bce
sha256	4f164f870abc0b84735639a43c411883b092862aba93c8feda15a15ab1f488b0
sha512	3c9b4a5bb1822db7c7f213ab5303bbf1f2c44a8e26403d7df7b1bfb0f7ff2d91e6d19f5c205c9b8dd9a5f20cfbd8de9dab5c8ca3af3e0acd1deb5e6b8d3670bb
ripemd-160	0f50d49c28a9cfa50786bd178d3fd564e398528f

21856871 as geometric shapes

Circle

Radius = n

Diameter	43713742
Circumference	137330770.72812
Area	1.5008104700675E+15

Sphere

Radius = n

Volume	4.3737361119621E+22
Surface area	6.0032418802702E+15
Circumference	137330770.72812

Square

Length = n

Perimeter	87427484
Area	477722809910641
Diagonal	30910283.399239

Cube

Length = n

Surface area	2866336859463846
Volume	1.0441525829974E+22
Space diagonal	37857211.066479

Equilateral Triangle

Length = n

Perimeter	65570613
Area	2.0686004467495E+14
Altitude	18928605.533239

Triangular Pyramid

Length = n

Surface area	2.0686004467495E+14
Volume	1.2305456200516E+21
Height	10303427.799746