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

21871490 (number)

21871490 is an even 8-digits composite number following 21871489 and preceding 21871491. In scientific notation, it is written as 2.1871490 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8748592 positive integers (up to 21871490) that are relatively prime to 21871490.

Interesting facts

21871490 has 8 divisors, whose sum is 39368700
The reverse of 21871490 is 09417812
Previous prime number is 5

Basic properties

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

Name

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

Notation

Scientific notation	2.1871490 × 10^7
Engineering notation	2.1871490 × 10^6

Prime Factorization of 21871490

Prime Factorization 2 × 5 × 2187149

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21871490	Product of the distinct prime numbers

The prime factorization of 21871490 is 2 × 5 × 2187149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 58, 50, 796, 26, 9210, 600, 76886, 85826, 306452, 511868, 7409832, 5285305, 8240827, 97150793, 269727461, 724722593, 5933026664, 2079146065

Basic calculations (n = 21871490)

Multiplication

n×y

n×2	43742980
n×3	65614470
n×4	87485960
n×5	109357450

Division

n÷y

n÷2	10935745
n÷3	7290496.6666667
n÷3	5467872.5
n÷5	4374298

Exponentiation

n^y

n²	478362074820100
n³	1.0462491335807E+22
n⁴	2.2883027462619E+29
n⁵	5.004859063184E+36

Nth Root

^y√n

²√n	4676.6964836303
³√n	279.65727625093
⁴√n	68.386376447581
⁵√n	29.374851115357

Divisors of 21871490

1, 2, 5, 10, 2187149, 4374298, 10935745, 21871490

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	-21871489	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 21871490 can be divided by 8 positive divisors. The sum of these divisors (counting 21871490) is 1, the average is 0.125.

Base conversion 21871490

Base	System	Value
2	Binary	1010011011011101110000010
3	Ternary	1112011012001012
4	Quaternary	1103123232002
5	Quinary	21044341430
6	Senary	2100440522
8	Octal	123335602
10	Decimal	21871490
12	Duodecimal	73a9142
16	Hexadecimal	14dbb82
20	Vigesimal	6gdiea
36	Base36	d0s5e

Cryptographic Hash Functions

md5	43d259612a370e073a12c2559cf5d272
sha1	d5c1f333909ffdbf6d7f9aac1b363ae910f10e50
sha256	c3f108619da2e6eb68e31d241d52ee0fef752c8e50863bdbf4834c9e1153e873
sha512	ff1619819cfdb35888855bf985470bb18f8b83b5ec4fdd53b9ccde6ffc78993de381786ee69e4e86a3f530e5233bf86b8d2fdbbd2c74f9a232f510c0ea17516e
ripemd-160	c26baa3fa9eda55c1d130d4ad2c1a4bd08d02014

21871490 as geometric shapes

Circle

Radius = n

Diameter	43742980
Circumference	137422624.61413
Area	1.5028187800108E+15

Sphere

Radius = n

Volume	4.3825181225091E+22
Surface area	6.0112751200432E+15
Circumference	137422624.61413

Square

Length = n

Perimeter	87485960
Area	478362074820100
Diagonal	30930957.787308

Cube

Length = n

Surface area	2870172448920600
Volume	1.0462491335807E+22
Space diagonal	37882531.917235

Equilateral Triangle

Length = n

Perimeter	65614470
Area	2.0713685450062E+14
Altitude	18941265.958617

Triangular Pyramid

Length = n

Surface area	2.0713685450062E+14
Volume	1.2330164286091E+21
Height	10310319.262436