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

21861009 (number)

21861009 is an odd 8-digits composite number following 21861008 and preceding 21861010. In scientific notation, it is written as 2.1861009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 14573844 positive integers (up to 21861009) that are relatively prime to 21861009.

Interesting facts

21861009 has 12 divisors, whose sum is 32746896
The reverse of 21861009 is 90016812
Previous prime number is 3

Basic properties

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

Name

Name	twenty-one million eight hundred sixty-one thousand nine

Notation

Scientific notation	2.1861009 × 10^7
Engineering notation	2.1861009 × 10^6

Prime Factorization of 21861009

Prime Factorization 3 × 27 × 3 × 89963

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	7287003	Product of the distinct prime numbers

The prime factorization of 21861009 is 3 × 27 × 3 × 89963. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 29, 99, 120, 880, 7641, 9049, 88830, 76860, 401905, 401521, 7294158, 7259159, 60727871, 32860783, 29802265, 47461090, 140140277, 7381487186

Basic calculations (n = 21861009)

Multiplication

n×y

n×2	43722018
n×3	65583027
n×4	87444036
n×5	109305045

Division

n÷y

n÷2	10930504.5
n÷3	7287003
n÷3	5465252.25
n÷5	4372201.8

Exponentiation

n^y

n²	477903714498081
n³	1.0447457403776E+22
n⁴	2.2839196033106E+29
n⁵	4.992878700325E+36

Nth Root

^y√n

²√n	4675.5757934184
³√n	279.6125977488
⁴√n	68.378182144734
⁵√n	29.372035240933

Divisors of 21861009

1, 3, 9, 27, 81, 243, 89963, 269889, 809667, 2429001, 7287003, 21861009

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21861008	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861009 can be divided by 12 positive divisors. The sum of these divisors (counting 21861009) is 1, the average is 0.083333333333333.

Base conversion 21861009

Base	System	Value
2	Binary	1010011011001001010010001
3	Ternary	1112010122200000
4	Quaternary	1103121022101
5	Quinary	21044023014
6	Senary	2100320213
8	Octal	123311221
10	Decimal	21861009
12	Duodecimal	73a3069
16	Hexadecimal	14d9291
20	Vigesimal	6gcca9
36	Base36	d0k29

Cryptographic Hash Functions

md5	4e5501721258df28bf0ac815cf158b9a
sha1	fa76501d4a83e5b5b407338817b564b485ef7a44
sha256	454f2f06a87409876caab7a69006ae0873eaddab8b1f03c567f3d287797f3a4f
sha512	eddb41a236b10ea1a77c91864b36a2a0bde292913f0f688c1e40e1b57255a2841da000081794b68ec2419933b95e9f035c87622153f19f9afd644487317530af
ripemd-160	b7efbb0d4d890096b9429fb14f4161e922332ced

21861009 as geometric shapes

Circle

Radius = n

Diameter	43722018
Circumference	137356770.54892
Area	1.5013787985904E+15

Sphere

Radius = n

Volume	4.376220723786E+22
Surface area	6.0055151943618E+15
Circumference	137356770.54892

Square

Length = n

Perimeter	87444036
Area	477903714498081
Diagonal	30916135.41496

Cube

Length = n

Surface area	2867422286988486
Volume	1.0447457403776E+22
Space diagonal	37864378.29272

Equilateral Triangle

Length = n

Perimeter	65583027
Area	2.0693837865914E+14
Altitude	18932189.14636

Triangular Pyramid

Length = n

Surface area	2.0693837865914E+14
Volume	1.2312446627279E+21
Height	10305378.471653