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

21690421 (number)

21690421 is an odd 8-digits composite number following 21690420 and preceding 21690422. In scientific notation, it is written as 2.1690421 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20921520 positive integers (up to 21690421) that are relatively prime to 21690421.

Interesting facts

21690421 has 8 divisors, whose sum is 22464000
The reverse of 21690421 is 12409612
Previous prime number is 359

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million six hundred ninety thousand four hundred twenty-one

Notation

Scientific notation	2.1690421 × 10^7
Engineering notation	2.1690421 × 10^6

Prime Factorization of 21690421

Prime Factorization 31 × 359 × 1949

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21690421	Product of the distinct prime numbers

The prime factorization of 21690421 is 31 × 359 × 1949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 53, 78, 654, 419, 4694, 802, 46174, 94519, 259248, 8616, 8595027, 774930, 593674, 13333578, 619085421, 941587559, 3598965659, 3265833763

Basic calculations (n = 21690421)

Multiplication

n×y

n×2	43380842
n×3	65071263
n×4	86761684
n×5	108452105

Division

n÷y

n÷2	10845210.5
n÷3	7230140.3333333
n÷3	5422605.25
n÷5	4338084.2

Exponentiation

n^y

n²	470474363157241
n³	1.0204787006587E+22
n⁴	2.2134612638821E+29
n⁵	4.8010906680795E+36

Nth Root

^y√n

²√n	4657.297606982
³√n	278.88339744523
⁴√n	68.244396158087
⁵√n	29.326051729388

Divisors of 21690421

1, 31, 359, 1949, 11129, 60419, 699691, 21690421

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	-21690420	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 21690421 can be divided by 8 positive divisors. The sum of these divisors (counting 21690421) is 1, the average is 0.125.

Base conversion 21690421

Base	System	Value
2	Binary	1010010101111100000110101
3	Ternary	1111210222122221
4	Quaternary	1102233200311
5	Quinary	21023043141
6	Senary	2052522341
8	Octal	122574065
10	Decimal	21690421
12	Duodecimal	73203b1
16	Hexadecimal	14af835
20	Vigesimal	6fb611
36	Base36	cwwfp

Cryptographic Hash Functions

md5	53e463e7703e5e1ca064e46e8ce2bf34
sha1	99514c2a88eef242700f86f029e76295dbc5770c
sha256	873629b3e705991bc92629dc0e69aaa369cc6f8ccf1d07ca716e07789ab4f76e
sha512	d21f5ad9800177be67d0cbd69f0ed2d1d9de8f650afc041c15df21ff4427cff1f76fe21726f8224de7a11cb8e06afcbbc88f30d2f7d61fce78de653329340ec7
ripemd-160	d41f4fb95fd52dc624d4d0d03fbc82c32d3ca751

21690421 as geometric shapes

Circle

Radius = n

Diameter	43380842
Circumference	136284934.53374
Area	1.4780388029971E+15

Sphere

Radius = n

Volume	4.2745711855125E+22
Surface area	5.9121552119885E+15
Circumference	136284934.53374

Square

Length = n

Perimeter	86761684
Area	470474363157241
Diagonal	30674887.551782

Cube

Length = n

Surface area	2822846178943446
Volume	1.0204787006587E+22
Space diagonal	37568911.209559

Equilateral Triangle

Length = n

Perimeter	65071263
Area	2.0372137516174E+14
Altitude	18784455.604779

Triangular Pyramid

Length = n

Surface area	2.0372137516174E+14
Volume	1.2026456821537E+21
Height	10224962.517261