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

21151231 (number)

21151231 is an odd 8-digits composite number following 21151230 and preceding 21151232. In scientific notation, it is written as 2.1151231 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 21087000 positive integers (up to 21151231) that are relatively prime to 21151231.

Interesting facts

21151231 has 4 divisors, whose sum is 21215464
The reverse of 21151231 is 13215112
Previous prime number is 331

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million one hundred fifty-one thousand two hundred thirty-one

Notation

Scientific notation	2.1151231 × 10^7
Engineering notation	2.1151231 × 10^6

Prime Factorization of 21151231

Prime Factorization 331 × 63901

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21151231	Product of the distinct prime numbers

The prime factorization of 21151231 is 331 × 63901. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 18, 6, 52, 171, 6544, 8104, 47684, 18833, 137256, 436501, 3131286, 8305587, 56296695, 26103790, 111822299, 576663908, 1702222694, 4700201427

Basic calculations (n = 21151231)

Multiplication

n×y

n×2	42302462
n×3	63453693
n×4	84604924
n×5	105756155

Division

n÷y

n÷2	10575615.5
n÷3	7050410.3333333
n÷3	5287807.75
n÷5	4230246.2

Exponentiation

n^y

n²	447374572815361
n³	9.462522933144E+21
n⁴	2.0014400840173E+29
n⁵	4.2332921549709E+36

Nth Root

^y√n

²√n	4599.0467490557
³√n	276.5531117351
⁴√n	67.816272007946
⁵√n	29.178780007366

Divisors of 21151231

1, 331, 63901, 21151231

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	-21151230	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 21151231 can be divided by 4 positive divisors. The sum of these divisors (counting 21151231) is 1, the average is 0.25.

Base conversion 21151231

Base	System	Value
2	Binary	1010000101011110111111111
3	Ternary	1110210121000221
4	Quaternary	1100223313333
5	Quinary	20403314411
6	Senary	2033202211
8	Octal	120536777
10	Decimal	21151231
12	Duodecimal	7100367
16	Hexadecimal	142bdff
20	Vigesimal	6c3i1b
36	Base36	clce7

Cryptographic Hash Functions

md5	8361385ace6bdd42fcdf0b23e45b09e4
sha1	99aa54221153564f8757b110df2f52e33113e53d
sha256	0c5d9740802b757df894926f2ca9c110e06ccd6e001451f2938b1ae2498b3e4a
sha512	041c4a10b2b6d2261266381af516263c7a5b69778b42ce12e24ecd297653463205675a7688ada0cd004d13ed5f18f25d6d38c1109697f23382d1c45b5f59d28d
ripemd-160	9564e228226da4375f80481dc6f7c13b523b2537

21151231 as geometric shapes

Circle

Radius = n

Diameter	42302462
Circumference	132897103.84796
Area	1.4054686713596E+15

Sphere

Radius = n

Volume	3.963652337492E+22
Surface area	5.6218746854384E+15
Circumference	132897103.84796

Square

Length = n

Perimeter	84604924
Area	447374572815361
Diagonal	29912357.741086

Cube

Length = n

Surface area	2684247436892166
Volume	9.462522933144E+21
Space diagonal	36635006.734626

Equilateral Triangle

Length = n

Perimeter	63453693
Area	1.9371887253266E+14
Altitude	18317503.367313

Triangular Pyramid

Length = n

Surface area	1.9371887253266E+14
Volume	1.1151690221932E+21
Height	9970785.9136954