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

21689938 (number)

21689938 is an even 8-digits composite number following 21689937 and preceding 21689939. In scientific notation, it is written as 2.1689938 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 10844968 positive integers (up to 21689938) that are relatively prime to 21689938.

Interesting facts

21689938 has 4 divisors, whose sum is 32534910
The reverse of 21689938 is 83998612
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	2.1689938 × 10^7
Engineering notation	2.1689938 × 10^6

Prime Factorization of 21689938

Prime Factorization 2 × 10844969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21689938	Product of the distinct prime numbers

The prime factorization of 21689938 is 2 × 10844969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 58, 29, 102, 924, 1661, 2345, 8228, 49901, 469452, 950585, 174997, 3869980, 92649306, 73310950, 908849866, 888218137, 6339440189, 3624559346

Basic calculations (n = 21689938)

Multiplication

n×y

n×2	43379876
n×3	65069814
n×4	86759752
n×5	108449690

Division

n÷y

n÷2	10844969
n÷3	7229979.3333333
n÷3	5422484.5
n÷5	4337987.6

Exponentiation

n^y

n²	470453410443844
n³	1.0204105304416E+22
n⁴	2.2132641139824E+29
n⁵	4.8005561409904E+36

Nth Root

^y√n

²√n	4657.2457525881
³√n	278.8813273812
⁴√n	68.244016240167
⁵√n	29.325921122342

Divisors of 21689938

1, 2, 10844969, 21689938

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	-21689937	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 21689938 can be divided by 4 positive divisors. The sum of these divisors (counting 21689938) is 1, the average is 0.25.

Base conversion 21689938

Base	System	Value
2	Binary	1010010101111011001010010
3	Ternary	1111210222000001
4	Quaternary	1102233121102
5	Quinary	21023034223
6	Senary	2052520214
8	Octal	122573122
10	Decimal	21689938
12	Duodecimal	732006a
16	Hexadecimal	14af652
20	Vigesimal	6fb4gi
36	Base36	cww2a

Cryptographic Hash Functions

md5	65a232b7276d5237f945b4525649d70f
sha1	e687bebcf219a9f72bd5e72ea54e3f0bd2b7776d
sha256	1a14845b1f56d7a1816f9a3c1db99a4e395d1db97a48f2469ec1a6ccd1a0494f
sha512	5daab41ae70647b70da92c92cb48dac6822457b1a31a35aa5d2e95de4cb2adc69773ad69e3312be80245d76e67eefcda65408d427976405e7949e700bbbedd64
ripemd-160	14c0d2b3756334bcfc19483bc584591f54d65b37

21689938 as geometric shapes

Circle

Radius = n

Diameter	43379876
Circumference	136281899.75524
Area	1.4779729781066E+15

Sphere

Radius = n

Volume	4.2742856347745E+22
Surface area	5.9118919124266E+15
Circumference	136281899.75524

Square

Length = n

Perimeter	86759752
Area	470453410443844
Diagonal	30674204.486632

Cube

Length = n

Surface area	2822720462663064
Volume	1.0204105304416E+22
Space diagonal	37568074.629019

Equilateral Triangle

Length = n

Perimeter	65069814
Area	2.037123023707E+14
Altitude	18784037.314509

Triangular Pyramid

Length = n

Surface area	2.037123023707E+14
Volume	1.2025653427823E+21
Height	10224734.828877