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

21490939 (number)

21490939 is an odd 8-digits composite number following 21490938 and preceding 21490940. In scientific notation, it is written as 2.1490939 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21479256 positive integers (up to 21490939) that are relatively prime to 21490939.

Interesting facts

21490939 has 4 divisors, whose sum is 21502624
The reverse of 21490939 is 93909412
Previous prime number is 2287

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1490939 × 10^7
Engineering notation	2.1490939 × 10^6

Prime Factorization of 21490939

Prime Factorization 2287 × 9397

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490939	Product of the distinct prime numbers

The prime factorization of 21490939 is 2287 × 9397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 71, 54, 328, 548, 8309, 6175, 7361, 83086, 622350, 156925, 3553316, 8195854, 96858873, 97755389, 885918628, 615672381, 8156000778, 8997262143

Basic calculations (n = 21490939)

Multiplication

n×y

n×2	42981878
n×3	64472817
n×4	85963756
n×5	107454695

Division

n÷y

n÷2	10745469.5
n÷3	7163646.3333333
n÷3	5372734.75
n÷5	4298187.8

Exponentiation

n^y

n²	461860459101721
n³	9.9258149530671E+21
n⁴	2.1331508368165E+29
n⁵	4.5843414511823E+36

Nth Root

^y√n

²√n	4635.8320720233
³√n	278.02582010926
⁴√n	68.086944945586
⁵√n	29.271911152714

Divisors of 21490939

1, 2287, 9397, 21490939

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	-21490938	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 21490939 can be divided by 4 positive divisors. The sum of these divisors (counting 21490939) is 1, the average is 0.25.

Base conversion 21490939

Base	System	Value
2	Binary	1010001111110110011111011
3	Ternary	1111102212000201
4	Quaternary	1101332303323
5	Quinary	21000202224
6	Senary	2044343031
8	Octal	121766373
10	Decimal	21490939
12	Duodecimal	7244a77
16	Hexadecimal	147ecfb
20	Vigesimal	6e676j
36	Base36	csmij

Cryptographic Hash Functions

md5	1b127c20534b0247510a0562b03b74c3
sha1	5db109068f98cfb825bc34ea6039858e13df3574
sha256	ce093f4985d2f4ced0e312b7af56ecaff24ac2ee7053c4e891418b462c31fae3
sha512	b29c7aae96ec1d9bce84f12c8de7e61769d19fb29f097fb44c55930b50e5ccf5cc0b432d283fb017caecc4a4447c8ccd09da5c841453c803ce7c46f0cb80cff3
ripemd-160	08fa919f973bbc01a356a2455855aacc862fa375

21490939 as geometric shapes

Circle

Radius = n

Diameter	42981878
Circumference	135031552.16229
Area	1.4509774252976E+15

Sphere

Radius = n

Volume	4.157715644993E+22
Surface area	5.8039097011903E+15
Circumference	135031552.16229

Square

Length = n

Perimeter	85963756
Area	461860459101721
Diagonal	30392777.401933

Cube

Length = n

Surface area	2771162754610326
Volume	9.9258149530671E+21
Space diagonal	37223398.250363

Equilateral Triangle

Length = n

Perimeter	64472817
Area	1.9999144529282E+14
Altitude	18611699.125182

Triangular Pyramid

Length = n

Surface area	1.9999144529282E+14
Volume	1.1697685103528E+21
Height	10130925.800644