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

21491671 (number)

21491671 is an odd 8-digits composite number following 21491670 and preceding 21491672. In scientific notation, it is written as 2.1491671 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21282912 positive integers (up to 21491671) that are relatively prime to 21491671.

Interesting facts

21491671 has 4 divisors, whose sum is 21700432
The reverse of 21491671 is 17619412
Previous prime number is 103

Basic properties

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

Name

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

Notation

Scientific notation	2.1491671 × 10^7
Engineering notation	2.1491671 × 10^6

Prime Factorization of 21491671

Prime Factorization 103 × 208657

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491671	Product of the distinct prime numbers

The prime factorization of 21491671 is 103 × 208657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 5, 92, 660, 664, 1045, 3883, 42985, 95240, 599743, 802835, 6798039, 454870, 43795437, 75804858, 227938268, 148126468, 9642742763, 612432645

Basic calculations (n = 21491671)

Multiplication

n×y

n×2	42983342
n×3	64475013
n×4	85966684
n×5	107458355

Division

n÷y

n÷2	10745835.5
n÷3	7163890.3333333
n÷3	5372917.75
n÷5	4298334.2

Exponentiation

n^y

n²	461891922372241
n³	9.9268292331817E+21
n⁴	2.1334414795272E+29
n⁵	4.5851222375753E+36

Nth Root

^y√n

²√n	4635.9110215793
³√n	278.02897667352
⁴√n	68.087524713263
⁵√n	29.272110555328

Divisors of 21491671

1, 103, 208657, 21491671

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491670	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491671 can be divided by 4 positive divisors. The sum of these divisors (counting 21491671) is 1, the average is 0.25.

Base conversion 21491671

Base	System	Value
2	Binary	1010001111110111111010111
3	Ternary	1111102220000211
4	Quaternary	1101332333113
5	Quinary	21000213141
6	Senary	2044350251
8	Octal	121767727
10	Decimal	21491671
12	Duodecimal	7245387
16	Hexadecimal	147efd7
20	Vigesimal	6e693b
36	Base36	csn2v

Cryptographic Hash Functions

md5	71b7e5693fbd7c7009ad7b3ed68bd552
sha1	521e25a49e26ba171cc72c86d160481c1dea1273
sha256	b1a2d9e2744504085b18499a4748d4e4e74dbf0c2f073ed48c58fc53ec78d800
sha512	1447bee4693bc64149b1142c1c235cd9bf05bef91a6adace346455b50580ad58d050a25c8fda4c7d3a9fef6406798e055392915bf888bdea9cb8334f8169f0d2
ripemd-160	dd8bbd7c7c79f7058b4a65fb12adaa7fae46ec8d

21491671 as geometric shapes

Circle

Radius = n

Diameter	42983342
Circumference	135036151.45394
Area	1.4510762700771E+15

Sphere

Radius = n

Volume	4.1581405056539E+22
Surface area	5.8043050803084E+15
Circumference	135036151.45394

Square

Length = n

Perimeter	85966684
Area	461891922372241
Diagonal	30393812.606261

Cube

Length = n

Surface area	2771351534233446
Volume	9.9268292331817E+21
Space diagonal	37224666.111555

Equilateral Triangle

Length = n

Perimeter	64475013
Area	2.000050692886E+14
Altitude	18612333.055777

Triangular Pyramid

Length = n

Surface area	2.000050692886E+14
Volume	1.1698880444106E+21
Height	10131270.868754