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

21490915 (number)

21490915 is an odd 8-digits composite number following 21490914 and preceding 21490916. In scientific notation, it is written as 2.1490915 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17192728 positive integers (up to 21490915) that are relatively prime to 21490915.

Interesting facts

21490915 has 4 divisors, whose sum is 25789104
The reverse of 21490915 is 51909412
Previous prime number is 5

Basic properties

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

Name

Name	twenty-one million four hundred ninety thousand nine hundred fifteen

Notation

Scientific notation	2.1490915 × 10^7
Engineering notation	2.1490915 × 10^6

Prime Factorization of 21490915

Prime Factorization 5 × 4298183

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490915	Product of the distinct prime numbers

The prime factorization of 21490915 is 5 × 4298183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 76, 92, 103, 994, 5200, 755, 16513, 97484, 828163, 767012, 1403790, 8835830, 25737485, 79831026, 294953626, 260735753, 4054962315, 9787259296

Basic calculations (n = 21490915)

Multiplication

n×y

n×2	42981830
n×3	64472745
n×4	85963660
n×5	107454575

Division

n÷y

n÷2	10745457.5
n÷3	7163638.3333333
n÷3	5372728.75
n÷5	4298183

Exponentiation

n^y

n²	461859427537225
n³	9.9257816991512E+21
n⁴	2.1331413080501E+29
n⁵	4.5843158534294E+36

Nth Root

^y√n

²√n	4635.8294834905
³√n	278.02571661414
⁴√n	68.086925936559
⁵√n	29.271904614832

Divisors of 21490915

1, 5, 4298183, 21490915

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	-21490914	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 21490915 can be divided by 4 positive divisors. The sum of these divisors (counting 21490915) is 1, the average is 0.25.

Base conversion 21490915

Base	System	Value
2	Binary	1010001111110110011100011
3	Ternary	1111102211222211
4	Quaternary	1101332303203
5	Quinary	21000202130
6	Senary	2044342551
8	Octal	121766343
10	Decimal	21490915
12	Duodecimal	7244a57
16	Hexadecimal	147ece3
20	Vigesimal	6e675f
36	Base36	csmhv

Cryptographic Hash Functions

md5	47d7c8dbb2306f2eea9f968d37f5fccc
sha1	b81fa494acbd04b75ec6b58573cb659dc71ccce6
sha256	ef2e7a9112d5e9be1150f400cc724fb213c9ad93362adea34b0671fa728ed8b5
sha512	0c94f19a30fe6751d2323d357890fd12818a55e828725ca35baada10a7710ec8eb06af2b1debaf8b500d0f227fe13d86561e60c84be9acd411f50592a31dfb78
ripemd-160	b4dd3f1261fa676db5d43b2eebccdd2c1d79bfb3

21490915 as geometric shapes

Circle

Radius = n

Diameter	42981830
Circumference	135031401.36585
Area	1.4509741845421E+15

Sphere

Radius = n

Volume	4.1577017156252E+22
Surface area	5.8038967381685E+15
Circumference	135031401.36585

Square

Length = n

Perimeter	85963660
Area	461859427537225
Diagonal	30392743.460807

Cube

Length = n

Surface area	2771156565223350
Volume	9.9257816991512E+21
Space diagonal	37223356.681144

Equilateral Triangle

Length = n

Perimeter	64472745
Area	1.9999099861229E+14
Altitude	18611678.340572

Triangular Pyramid

Length = n

Surface area	1.9999099861229E+14
Volume	1.1697645913412E+21
Height	10130914.486936