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

21689871 (number)

21689871 is an odd 8-digits composite number following 21689870 and preceding 21689872. In scientific notation, it is written as 2.1689871 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 12394200 positive integers (up to 21689871) that are relatively prime to 21689871.

Interesting facts

21689871 has 8 divisors, whose sum is 33051264
The reverse of 21689871 is 17898612
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.1689871 × 10^7
Engineering notation	2.1689871 × 10^6

Prime Factorization of 21689871

Prime Factorization 7 × 3 × 1032851

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21689871	Product of the distinct prime numbers

The prime factorization of 21689871 is 7 × 3 × 1032851. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 89, 16, 20, 177, 2402, 7903, 69649, 89017, 38164, 668476, 7271116, 958724, 82236112, 31732464, 424344912, 147395166, 7103669620, 7739957234

Basic calculations (n = 21689871)

Multiplication

n×y

n×2	43379742
n×3	65069613
n×4	86759484
n×5	108449355

Division

n÷y

n÷2	10844935.5
n÷3	7229957
n÷3	5422467.75
n÷5	4337974.2

Exponentiation

n^y

n²	470450503996641
n³	1.0204010743572E+22
n⁴	2.2132367671069E+29
n⁵	4.8004819971006E+36

Nth Root

^y√n

²√n	4657.2385594899
³√n	278.88104022704
⁴√n	68.243963538836
⁵√n	29.325903004824

Divisors of 21689871

1, 3, 7, 21, 1032851, 3098553, 7229957, 21689871

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	-21689870	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 21689871 can be divided by 8 positive divisors. The sum of these divisors (counting 21689871) is 1, the average is 0.125.

Base conversion 21689871

Base	System	Value
2	Binary	1010010101111011000001111
3	Ternary	1111210221220120
4	Quaternary	1102233120033
5	Quinary	21023033441
6	Senary	2052520023
8	Octal	122573017
10	Decimal	21689871
12	Duodecimal	7320013
16	Hexadecimal	14af60f
20	Vigesimal	6fb4db
36	Base36	cww0f

Cryptographic Hash Functions

md5	87ca89484d005a58641b6624e9dde79c
sha1	f0b0532e38b956ce17c256ce698f9d57e9ece578
sha256	47c64e4d878305c3694662f6742f441b8749771ad213c12fbbd72ee50711c194
sha512	b8492a703e144627bae97011f36d7ff3086bdb84441bcf7631e26324e659c2ea2ca6594fee5d9883eb8224688a9157b0509c6c3558dc773b172838b8f572a6bf
ripemd-160	4f8290694f6af5387ab1f2e2c6500076662c2b1b

21689871 as geometric shapes

Circle

Radius = n

Diameter	43379742
Circumference	136281478.78182
Area	1.4779638472335E+15

Sphere

Radius = n

Volume	4.274246025221E+22
Surface area	5.9118553889339E+15
Circumference	136281478.78182

Square

Length = n

Perimeter	86759484
Area	470450503996641
Diagonal	30674109.734323

Cube

Length = n

Surface area	2822703023979846
Volume	1.0204010743572E+22
Space diagonal	37567958.581615

Equilateral Triangle

Length = n

Perimeter	65069613
Area	2.0371104384214E+14
Altitude	18783979.290807

Triangular Pyramid

Length = n

Surface area	2.0371104384214E+14
Volume	1.20255419868E+21
Height	10224703.244774