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

21681091 (number)

21681091 is an odd 8-digits prime number following 21681090 and preceding 21681092. In scientific notation, it is written as 2.1681091 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 21681090 positive integers (up to 21681091) that are relatively prime to 21681091.

Interesting facts

21681091 has 2 divisors, whose sum is 21681092
The reverse of 21681091 is 19018612
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1681091 × 10^7
Engineering notation	2.1681091 × 10^6

Prime Factorization of 21681091

Prime Factorization 21681091

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21681091	Product of the distinct prime numbers

The prime factorization of 21681091 is 21681091. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 6, 48, 89, 496, 592, 280, 7335, 18020, 31853, 973150, 75854, 4442666, 8193679, 13702373, 12350426, 838328362, 960974965, 7059701242, 6095996448

Basic calculations (n = 21681091)

Multiplication

n×y

n×2	43362182
n×3	65043273
n×4	86724364
n×5	108405455

Division

n÷y

n÷2	10840545.5
n÷3	7227030.3333333
n÷3	5420272.75
n÷5	4336218.2

Exponentiation

n^y

n²	470069706950281
n³	1.0191624092732E+22
n⁴	2.2096552939232E+29
n⁵	4.7907737506181E+36

Nth Root

^y√n

²√n	4656.2958454119
³√n	278.84340505623
⁴√n	68.23705624814
⁵√n	29.32352841136

Divisors of 21681091

1, 21681091

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21681092	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10840546	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4656.2959527934	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999077537	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21681091 can be divided by 2 positive divisors. The sum of these divisors (counting 21681091) is 21681092, the average is 10840546.

Base conversion 21681091

Base	System	Value
2	Binary	1010010101101001111000011
3	Ternary	1111210111212101
4	Quaternary	1102231033003
5	Quinary	21022243331
6	Senary	2052411231
8	Octal	122551703
10	Decimal	21681091
12	Duodecimal	7316b17
16	Hexadecimal	14ad3c3
20	Vigesimal	6fa2eb
36	Base36	cwp8j

Cryptographic Hash Functions

md5	aed9e4c9badf96a3dbb4612be8d5d188
sha1	67668af7280c05688d9e55efd445dc114982767a
sha256	62da0cd6a16b15ce04ef4c6753dd333cec391c377da4caaed0608b4cf28787d2
sha512	ff0a9da2c60310df6e5b0c6b26cf122973bd904a8b5c573fb66ee2365af51f95e182e1790ba087fb0f8a9f6f3586e67d3e048c53ffc1bbece23afdc0e6c2a326
ripemd-160	6025946e884bde22651e1b154d57a21e1683de26

21681091 as geometric shapes

Circle

Radius = n

Diameter	43362182
Circumference	136226312.41482
Area	1.4767675380301E+15

Sphere

Radius = n

Volume	4.2690575170502E+22
Surface area	5.9070701521204E+15
Circumference	136226312.41482

Square

Length = n

Perimeter	86724364
Area	470069706950281
Diagonal	30661692.939245

Cube

Length = n

Surface area	2820418241701686
Volume	1.0191624092732E+22
Space diagonal	37552751.175524

Equilateral Triangle

Length = n

Perimeter	65043273
Area	2.0354615388422E+14
Altitude	18776375.587762

Triangular Pyramid

Length = n

Surface area	2.0354615388422E+14
Volume	1.2010944178792E+21
Height	10220564.313082