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

21681189 (number)

21681189 is an odd 8-digits composite number following 21681188 and preceding 21681190. In scientific notation, it is written as 2.1681189 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 8 positive divisors. There are 14453640 positive integers (up to 21681189) that are relatively prime to 21681189.

Interesting facts

21681189 has 8 divisors, whose sum is 24388440
The reverse of 21681189 is 98118612
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million six hundred eighty-one thousand one hundred eighty-nine

Notation

Scientific notation	2.1681189 × 10^7
Engineering notation	2.1681189 × 10^6

Prime Factorization of 21681189

Prime Factorization 9 × 9 × 9 × 29741

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	267669	Product of the distinct prime numbers

The prime factorization of 21681189 is 9 × 9 × 9 × 29741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 38, 1, 12, 649, 6602, 3811, 26193, 16744, 880705, 883242, 317364, 5474962, 90717096, 44268983, 140231791, 944087537, 3380821927, 3954593107

Basic calculations (n = 21681189)

Multiplication

n×y

n×2	43362378
n×3	65043567
n×4	86724756
n×5	108405945

Division

n÷y

n÷2	10840594.5
n÷3	7227063
n÷3	5420297.25
n÷5	4336237.8

Exponentiation

n^y

n²	470073956453721
n³	1.0191762293851E+22
n⁴	2.2096952453605E+29
n⁵	4.7908820247063E+36

Nth Root

^y√n

²√n	4656.3063687863
³√n	278.84382518596
⁴√n	68.237133357039
⁵√n	29.323554920179

Divisors of 21681189

1, 9, 81, 729, 29741, 267669, 2409021, 21681189

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	-21681188	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 21681189 can be divided by 8 positive divisors. The sum of these divisors (counting 21681189) is 1, the average is 0.125.

Base conversion 21681189

Base	System	Value
2	Binary	1010010101101010000100101
3	Ternary	1111210112000000
4	Quaternary	1102231100211
5	Quinary	21022244224
6	Senary	2052411513
8	Octal	122552045
10	Decimal	21681189
12	Duodecimal	7316b99
16	Hexadecimal	14ad425
20	Vigesimal	6fa2j9
36	Base36	cwpb9

Cryptographic Hash Functions

md5	a309f98c9f2b002e3523843904e4a4cd
sha1	ba0da07e7c0cd024f7ba8083abff11542db88738
sha256	bdaeed0989029ae1ecb3f4ca9d41dc2f57a527c8e517df79e61c03e5f2abd9de
sha512	eb4706369fa04df5806c392f02839c8ac1d0dc5c4a580600c568caf668d8c3b7ae057d23a59da4c5a93423cbcd61ae8555e16fda4d489e5db5d3a86e828c409c
ripemd-160	1c12eafdf2e00e686588073becf3d4835e3f9781

21681189 as geometric shapes

Circle

Radius = n

Diameter	43362378
Circumference	136226928.16698
Area	1.4767808882389E+15

Sphere

Radius = n

Volume	4.2691154065994E+22
Surface area	5.9071235529556E+15
Circumference	136226928.16698

Square

Length = n

Perimeter	86724756
Area	470073956453721
Diagonal	30661831.532174

Cube

Length = n

Surface area	2820443738722326
Volume	1.0191762293851E+22
Space diagonal	37552920.916503

Equilateral Triangle

Length = n

Perimeter	65043567
Area	2.0354799397319E+14
Altitude	18776460.458252

Triangular Pyramid

Length = n

Surface area	2.0354799397319E+14
Volume	1.2011107050372E+21
Height	10220610.510725