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

21693721 (number)

21693721 is an odd 8-digits composite number following 21693720 and preceding 21693722. In scientific notation, it is written as 2.1693721 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18594324 positive integers (up to 21693721) that are relatively prime to 21693721.

Interesting facts

21693721 has 4 divisors, whose sum is 21757312
The reverse of 21693721 is 12739612
Previous prime number is 343

Basic properties

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

Name

Name	twenty-one million six hundred ninety-three thousand seven hundred twenty-one

Notation

Scientific notation	2.1693721 × 10^7
Engineering notation	2.1693721 × 10^6

Prime Factorization of 21693721

Prime Factorization 343 × 63247

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21693721	Product of the distinct prime numbers

The prime factorization of 21693721 is 343 × 63247. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 84, 21, 259, 539, 30, 4116, 60418, 73427, 401105, 925757, 3014918, 8587626, 85762550, 91765372, 418838753, 83366110, 3246372919, 4936145429

Basic calculations (n = 21693721)

Multiplication

n×y

n×2	43387442
n×3	65081163
n×4	86774884
n×5	108468605

Division

n÷y

n÷2	10846860.5
n÷3	7231240.3333333
n÷3	5423430.25
n÷5	4338744.2

Exponentiation

n^y

n²	470617530825841
n³	1.0209445411445E+22
n⁴	2.2148086032061E+29
n⁵	4.8047439906353E+36

Nth Root

^y√n

²√n	4657.651876214
³√n	278.89753991766
⁴√n	68.246991700836
⁵√n	29.326944013423

Divisors of 21693721

1, 343, 63247, 21693721

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	-21693720	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 21693721 can be divided by 4 positive divisors. The sum of these divisors (counting 21693721) is 1, the average is 0.25.

Base conversion 21693721

Base	System	Value
2	Binary	1010010110000010100011001
3	Ternary	1111211011012011
4	Quaternary	1102300110121
5	Quinary	21023144341
6	Senary	2052545521
8	Octal	122602431
10	Decimal	21693721
12	Duodecimal	73222a1
16	Hexadecimal	14b0519
20	Vigesimal	6fbe61
36	Base36	cwyzd

Cryptographic Hash Functions

md5	d6b0183f982bf2657ec12738bbebeea8
sha1	9d7efb098b1b5aab7be974408102d2b9f17fa99b
sha256	9ef856e4a1f993f1a18fa96bb59f14d8c9904db192d4d9baf3ae265976c3a256
sha512	73b4d00e3f651b437ce1d8365649514197c3e25d48f53d466f897b6019e5494ff8c4e64ea6b38723d5d983a95fa3f3b166dd86724f745db86e403e13babb0eb3
ripemd-160	0067f0125f7896a0a9b8de429d082cfd8f89f6e0

21693721 as geometric shapes

Circle

Radius = n

Diameter	43387442
Circumference	136305669.04525
Area	1.478488577493E+15

Sphere

Radius = n

Volume	4.2765224935761E+22
Surface area	5.9139543099721E+15
Circumference	136305669.04525

Square

Length = n

Perimeter	86774884
Area	470617530825841
Diagonal	30679554.456538

Cube

Length = n

Surface area	2823705184955046
Volume	1.0209445411445E+22
Space diagonal	37574626.977224

Equilateral Triangle

Length = n

Perimeter	65081163
Area	2.0378336858074E+14
Altitude	18787313.488612

Triangular Pyramid

Length = n

Surface area	2.0378336858074E+14
Volume	1.2031946804311E+21
Height	10226518.152179