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

21431187 (number)

21431187 is an odd 8-digits composite number following 21431186 and preceding 21431188. In scientific notation, it is written as 2.1431187 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14287452 positive integers (up to 21431187) that are relatively prime to 21431187.

Interesting facts

21431187 has 4 divisors, whose sum is 23812440
The reverse of 21431187 is 78113412
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million four hundred thirty-one thousand one hundred eighty-seven

Notation

Scientific notation	2.1431187 × 10^7
Engineering notation	2.1431187 × 10^6

Prime Factorization of 21431187

Prime Factorization 9 × 2381243

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21431187	Product of the distinct prime numbers

The prime factorization of 21431187 is 9 × 2381243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 12, 78, 187, 408, 5961, 4372, 19500, 29240, 447210, 537236, 1109654, 1609308, 40848612, 25118060, 552727794, 392893775, 5051647487, 6487806578

Basic calculations (n = 21431187)

Multiplication

n×y

n×2	42862374
n×3	64293561
n×4	85724748
n×5	107155935

Division

n÷y

n÷2	10715593.5
n÷3	7143729
n÷3	5357796.75
n÷5	4286237.4

Exponentiation

n^y

n²	459295776228969
n³	9.8432536686732E+21
n⁴	2.1095261006177E+29
n⁵	4.5209648343719E+36

Nth Root

^y√n

²√n	4629.3830042458
³√n	277.76791267484
⁴√n	68.039569400797
⁵√n	29.255615878972

Divisors of 21431187

1, 9, 2381243, 21431187

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	-21431186	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 21431187 can be divided by 4 positive divisors. The sum of these divisors (counting 21431187) is 1, the average is 0.25.

Base conversion 21431187

Base	System	Value
2	Binary	1010001110000001110010011
3	Ternary	1111022211001200
4	Quaternary	1101300032103
5	Quinary	20441244222
6	Senary	2043202243
8	Octal	121601623
10	Decimal	21431187
12	Duodecimal	7216383
16	Hexadecimal	1470393
20	Vigesimal	6dihj7
36	Base36	crcer

Cryptographic Hash Functions

md5	7d521b1a7dbb2f7cc4b97bdf2acff587
sha1	715a44acd29b52b7a94bf3d63183aa5707a69520
sha256	8769c39948e4397429d3210512a07b569087679f4d99caa96c9b00c5df4b6c61
sha512	6389906dd633892018299ef0dfe0a0a5943d9e0a163b3e0968e3caf6ef811b25408bf827bee2958d58816ddae71a8d9a2fdc4e68c24d25e5c55fefc626164eab
ripemd-160	a14e1be09c603f1b1f6fadddf40b72386654c363

21431187 as geometric shapes

Circle

Radius = n

Diameter	42862374
Circumference	134656119.27382
Area	1.4429202364258E+15

Sphere

Radius = n

Volume	4.1231324550566E+22
Surface area	5.771680945703E+15
Circumference	134656119.27382

Square

Length = n

Perimeter	85724748
Area	459295776228969
Diagonal	30308275.313154

Cube

Length = n

Surface area	2755774657373814
Volume	9.8432536686732E+21
Space diagonal	37119904.75051

Equilateral Triangle

Length = n

Perimeter	64293561
Area	1.9888090503259E+14
Altitude	18559952.375255

Triangular Pyramid

Length = n

Surface area	1.9888090503259E+14
Volume	1.1600385696764E+21
Height	10102758.437718