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

21689986 (number)

21689986 is an even 8-digits composite number following 21689985 and preceding 21689987. In scientific notation, it is written as 2.1689986 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 10835760 positive integers (up to 21689986) that are relatively prime to 21689986.

Interesting facts

21689986 has 8 divisors, whose sum is 32562684
The reverse of 21689986 is 68998612
Previous prime number is 1381

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	2.1689986 × 10^7
Engineering notation	2.1689986 × 10^6

Prime Factorization of 21689986

Prime Factorization 2 × 1381 × 7853

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21689986	Product of the distinct prime numbers

The prime factorization of 21689986 is 2 × 1381 × 7853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 10, 85, 65, 637, 828, 1044, 169, 80936, 36584, 933168, 558414, 2572219, 1198416, 25667969, 44227152, 286645201, 395082798, 7837921352, 5956759707

Basic calculations (n = 21689986)

Multiplication

n×y

n×2	43379972
n×3	65069958
n×4	86759944
n×5	108449930

Division

n÷y

n÷2	10844993
n÷3	7229995.3333333
n÷3	5422496.5
n÷5	4337997.2

Exponentiation

n^y

n²	470455492680196
n³	1.0204173049857E+22
n⁴	2.2132837059297E+29
n⁵	4.8006092595642E+36

Nth Root

^y√n

²√n	4657.2509058456
³√n	278.88153310323
⁴√n	68.244053996269
⁵√n	29.325934102028

Divisors of 21689986

1, 2, 1381, 2762, 7853, 15706, 10844993, 21689986

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	-21689985	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 21689986 can be divided by 8 positive divisors. The sum of these divisors (counting 21689986) is 1, the average is 0.125.

Base conversion 21689986

Base	System	Value
2	Binary	1010010101111011010000010
3	Ternary	1111210222001211
4	Quaternary	1102233122002
5	Quinary	21023034421
6	Senary	2052520334
8	Octal	122573202
10	Decimal	21689986
12	Duodecimal	73200aa
16	Hexadecimal	14af682
20	Vigesimal	6fb4j6
36	Base36	cww3m

Cryptographic Hash Functions

md5	7d9c4bc4acd3fad8e1aaf2ba82b11e3c
sha1	1d9148d5aceca5ddb887e27d6574cd279027a5eb
sha256	9270cb1eade12a4c1fcbc3feda0cefb987eea4b96950e7959c9983f890862bf6
sha512	1ba0d95c6459e5f25488a1de8d346b0b6b058d1adcba4a96883780a84e5cd7b5f6b7c5738dd330fc0989830dad902c3990ecfc808d3a09377010f686a92b8ac2
ripemd-160	510a2ce8750dd0d5035d66ea54d3d78673db7376

21689986 as geometric shapes

Circle

Radius = n

Diameter	43379972
Circumference	136282201.34813
Area	1.4779795196451E+15

Sphere

Radius = n

Volume	4.2743140119184E+22
Surface area	5.9119180785803E+15
Circumference	136282201.34813

Square

Length = n

Perimeter	86759944
Area	470455492680196
Diagonal	30674272.368883

Cube

Length = n

Surface area	2822732956081176
Volume	1.0204173049857E+22
Space diagonal	37568157.767458

Equilateral Triangle

Length = n

Perimeter	65069958
Area	2.0371320400549E+14
Altitude	18784078.883729

Triangular Pyramid

Length = n

Surface area	2.0371320400549E+14
Volume	1.2025733266591E+21
Height	10224757.456294