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

21129871 (number)

21129871 is an odd 8-digits composite number following 21129870 and preceding 21129872. In scientific notation, it is written as 2.1129871 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18057048 positive integers (up to 21129871) that are relatively prime to 21129871.

Interesting facts

21129871 has 8 divisors, whose sum is 24220800
The reverse of 21129871 is 17892112
Previous prime number is 347

Basic properties

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

Name

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

Notation

Scientific notation	2.1129871 × 10^7
Engineering notation	2.1129871 × 10^6

Prime Factorization of 21129871

Prime Factorization 7 × 347 × 8699

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21129871	Product of the distinct prime numbers

The prime factorization of 21129871 is 7 × 347 × 8699. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 93, 66, 455, 897, 4963, 7304, 27432, 95391, 710616, 855896, 5176052, 788350, 85934589, 93394449, 256327026, 432122985, 5121111382, 4641419110

Basic calculations (n = 21129871)

Multiplication

n×y

n×2	42259742
n×3	63389613
n×4	84519484
n×5	105649355

Division

n÷y

n÷2	10564935.5
n÷3	7043290.3333333
n÷3	5282467.75
n÷5	4225974.2

Exponentiation

n^y

n²	446471448476641
n³	9.4338841114946E+21
n⁴	1.9933675430483E+29
n⁵	4.2119599040198E+36

Nth Root

^y√n

²√n	4596.7239421136
³√n	276.45998612181
⁴√n	67.799144110479
⁵√n	29.172884268647

Divisors of 21129871

1, 7, 347, 2429, 8699, 60893, 3018553, 21129871

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	-21129870	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 21129871 can be divided by 8 positive divisors. The sum of these divisors (counting 21129871) is 1, the average is 0.125.

Base conversion 21129871

Base	System	Value
2	Binary	1010000100110101010001111
3	Ternary	1110202111201211
4	Quaternary	1100212222033
5	Quinary	20402123441
6	Senary	2032515251
8	Octal	120465217
10	Decimal	21129871
12	Duodecimal	70abb27
16	Hexadecimal	1426a8f
20	Vigesimal	6c14db
36	Base36	ckvwv

Cryptographic Hash Functions

md5	58d3add66eefb1ec32a0a2f05917c083
sha1	a5501afe8ed1514e91af1a0eb3fd89aaaa1d9d1a
sha256	10a3125bcc3e21f873d3a531a20d599247655498a3eae2685ac01787df21812e
sha512	ffba8c29173659a70cfdff6c3308e9b99c22c1c3073ab8094a61297e55c78600a50f609c4db3045ba8a4c979cd94cf02cb93684e7b2f09d32178f322e7b63146
ripemd-160	59a08b0cc38f4ad843d1bfe16dc9023ff67b15a9

21129871 as geometric shapes

Circle

Radius = n

Diameter	42259742
Circumference	132762895.0098
Area	1.4026314225718E+15

Sphere

Radius = n

Volume	3.9516561359318E+22
Surface area	5.6105256902872E+15
Circumference	132762895.0098

Square

Length = n

Perimeter	84519484
Area	446471448476641
Diagonal	29882150.139394

Cube

Length = n

Surface area	2678828690859846
Volume	9.4338841114946E+21
Space diagonal	36598010.129376

Equilateral Triangle

Length = n

Perimeter	63389613
Area	1.933278082226E+14
Altitude	18299005.064688

Triangular Pyramid

Length = n

Surface area	1.933278082226E+14
Volume	1.1117939046943E+21
Height	9960716.7131313