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

21691271 (number)

21691271 is an odd 8-digits composite number following 21691270 and preceding 21691272. In scientific notation, it is written as 2.1691271 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 18461520 positive integers (up to 21691271) that are relatively prime to 21691271.

Interesting facts

21691271 has 12 divisors, whose sum is 25410600
The reverse of 21691271 is 17219612
Previous prime number is 149

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million six hundred ninety-one thousand two hundred seventy-one

Notation

Scientific notation	2.1691271 × 10^7
Engineering notation	2.1691271 × 10^6

Prime Factorization of 21691271

Prime Factorization 7 × 7 × 149 × 2971

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	3098753	Product of the distinct prime numbers

The prime factorization of 21691271 is 7 × 7 × 149 × 2971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 15, 32, 447, 678, 6071, 6811, 16547, 37808, 345085, 752214, 6400998, 1198518, 56840552, 35662829, 982267093, 403930405, 4372759128, 4482727663

Basic calculations (n = 21691271)

Multiplication

n×y

n×2	43382542
n×3	65073813
n×4	86765084
n×5	108456355

Division

n÷y

n÷2	10845635.5
n÷3	7230423.6666667
n÷3	5422817.75
n÷5	4338254.2

Exponentiation

n^y

n²	470511237595441
n³	1.0205986763228E+22
n⁴	2.2138082470359E+29
n⁵	4.8020314628491E+36

Nth Root

^y√n

²√n	4657.3888607244
³√n	278.88704034043
⁴√n	68.245064735294
⁵√n	29.326281570508

Divisors of 21691271

1, 7, 49, 149, 1043, 2971, 7301, 20797, 145579, 442679, 3098753, 21691271

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	-21691270	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 21691271 can be divided by 12 positive divisors. The sum of these divisors (counting 21691271) is 1, the average is 0.083333333333333.

Base conversion 21691271

Base	System	Value
2	Binary	1010010101111101110000111
3	Ternary	1111211000211102
4	Quaternary	1102233232013
5	Quinary	21023110041
6	Senary	2052530315
8	Octal	122575607
10	Decimal	21691271
12	Duodecimal	732099b
16	Hexadecimal	14afb87
20	Vigesimal	6fb83b
36	Base36	cwx3b

Cryptographic Hash Functions

md5	d58d023a47a0bdd181d05424c651f8b6
sha1	24daefc4b8924ee5581bdef6059ce107556a6aeb
sha256	8a2c046793c3da0e46f7f2bf58489f42582271c08f51f467b4282baec9a858eb
sha512	d20dbcd348237a4e96e6c51cd70bcf70ae9a1740f8f13e67e73ed6a914e1fb1bb5b0334930994666811792f45c4b545e2f1b810e244a861150816d788af2adf9
ripemd-160	a2c76da1de4b97d4632693c0cf378f001782a2a3

21691271 as geometric shapes

Circle

Radius = n

Diameter	43382542
Circumference	136290275.24125
Area	1.4781546474613E+15

Sphere

Radius = n

Volume	4.2750737383989E+22
Surface area	5.9126185898451E+15
Circumference	136290275.24125

Square

Length = n

Perimeter	86765084
Area	470511237595441
Diagonal	30676089.63331

Cube

Length = n

Surface area	2823067425572646
Volume	1.0205986763228E+22
Space diagonal	37570383.452745

Equilateral Triangle

Length = n

Perimeter	65073813
Area	2.0373734226185E+14
Altitude	18785191.726373

Triangular Pyramid

Length = n

Surface area	2.0373734226185E+14
Volume	1.2027870748298E+21
Height	10225363.211103