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

21531946 (number)

21531946 is an even 8-digits composite number following 21531945 and preceding 21531947. In scientific notation, it is written as 2.1531946 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10683660 positive integers (up to 21531946) that are relatively prime to 21531946.

Interesting facts

21531946 has 8 divisors, whose sum is 32544864
The reverse of 21531946 is 64913512
Previous prime number is 131

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million five hundred thirty-one thousand nine hundred forty-six

Notation

Scientific notation	2.1531946 × 10^7
Engineering notation	2.1531946 × 10^6

Prime Factorization of 21531946

Prime Factorization 2 × 131 × 82183

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21531946	Product of the distinct prime numbers

The prime factorization of 21531946 is 2 × 131 × 82183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 17, 53, 824, 896, 8036, 1698, 42139, 44596, 696494, 270076, 1186199, 7392768, 31977341, 6294536, 266579975, 752473482, 9355176471, 1339903131

Basic calculations (n = 21531946)

Multiplication

n×y

n×2	43063892
n×3	64595838
n×4	86127784
n×5	107659730

Division

n÷y

n÷2	10765973
n÷3	7177315.3333333
n÷3	5382986.5
n÷5	4306389.2

Exponentiation

n^y

n²	463624698546916
n³	9.9827419733785E+21
n⁴	2.1494786110272E+29
n⁵	4.6282457380792E+36

Nth Root

^y√n

²√n	4640.2527948378
³√n	278.20254204525
⁴√n	68.119401016434
⁵√n	29.283073421123

Divisors of 21531946

1, 2, 131, 262, 82183, 164366, 10765973, 21531946

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	-21531945	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 21531946 can be divided by 8 positive divisors. The sum of these divisors (counting 21531946) is 1, the average is 0.125.

Base conversion 21531946

Base	System	Value
2	Binary	1010010001000110100101010
3	Ternary	1111111221021111
4	Quaternary	1102020310222
5	Quinary	21003010241
6	Senary	2045300534
8	Octal	122106452
10	Decimal	21531946
12	Duodecimal	726474a
16	Hexadecimal	1488d2a
20	Vigesimal	6eb9h6
36	Base36	cti5m

Cryptographic Hash Functions

md5	d9125c3e4d3bea28af78b86d8b5c5a4f
sha1	2e6b46d8ff3d8362d4951c2308beeae12252e2fa
sha256	ff67d7c16da1a83f2581654750409cf2cd54968ac51c72555f18d490ac8ea134
sha512	72dba18696ecbb56fae3fd8cc6b5c4688900563f6af661eb6201de6ca6ace44a2c7b1b6ef991c1c852b8a3a1635b307523f9c258a68ddfc9069b822bd3fbfde1
ripemd-160	8cf719a5af9b320e8257f48841c462ed22053cdb

21531946 as geometric shapes

Circle

Radius = n

Diameter	43063892
Circumference	135289206.74218
Area	1.4565199469778E+15

Sphere

Radius = n

Volume	4.1815611794998E+22
Surface area	5.8260797879111E+15
Circumference	135289206.74218

Square

Length = n

Perimeter	86127784
Area	463624698546916
Diagonal	30450770.057485

Cube

Length = n

Surface area	2781748191281496
Volume	9.9827419733785E+21
Space diagonal	37294424.457829

Equilateral Triangle

Length = n

Perimeter	64595838
Area	2.0075538338177E+14
Altitude	18647212.228915

Triangular Pyramid

Length = n

Surface area	2.0075538338177E+14
Volume	1.1764774240352E+21
Height	10150256.685828