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

21497747 (number)

21497747 is an odd 8-digits composite number following 21497746 and preceding 21497748. In scientific notation, it is written as 2.1497747 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 21238656 positive integers (up to 21497747) that are relatively prime to 21497747.

Interesting facts

21497747 has 4 divisors, whose sum is 21756840
The reverse of 21497747 is 74779412
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty-one million four hundred ninety-seven thousand seven hundred forty-seven

Notation

Scientific notation	2.1497747 × 10^7
Engineering notation	2.1497747 × 10^6

Prime Factorization of 21497747

Prime Factorization 83 × 259009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21497747	Product of the distinct prime numbers

The prime factorization of 21497747 is 83 × 259009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 61, 21, 947, 812, 4107, 7874, 6184, 87521, 602429, 494461, 8679209, 4541348, 95053666, 35259459, 90583161, 646992244, 407897477, 7368403951

Basic calculations (n = 21497747)

Multiplication

n×y

n×2	42995494
n×3	64493241
n×4	85990988
n×5	107488735

Division

n÷y

n÷2	10748873.5
n÷3	7165915.6666667
n÷3	5374436.75
n÷5	4299549.4

Exponentiation

n^y

n²	462153126076009
n³	9.9352509796411E+21
n⁴	2.1358551194183E+29
n⁵	4.5916072985909E+36

Nth Root

^y√n

²√n	4636.5662941448
³√n	278.05517511555
⁴√n	68.092336530221
⁵√n	29.273765496296

Divisors of 21497747

1, 83, 259009, 21497747

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	-21497746	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 21497747 can be divided by 4 positive divisors. The sum of these divisors (counting 21497747) is 1, the average is 0.25.

Base conversion 21497747

Base	System	Value
2	Binary	1010010000000011110010011
3	Ternary	1111110012100212
4	Quaternary	1102000132103
5	Quinary	21000411442
6	Senary	2044434335
8	Octal	122003623
10	Decimal	21497747
12	Duodecimal	72489ab
16	Hexadecimal	1480793
20	Vigesimal	6e7477
36	Base36	csrrn

Cryptographic Hash Functions

md5	91c996c892f1d99b8f713e4f3d42a324
sha1	2f253d1859b6d46c28205b915a35210faf0868ee
sha256	09219259007fc8aa0d3c9e4aea269dcbd6b551e6d73681846d9218f447bbd197
sha512	aced18b6c8d7e5f0552ec9854f5edf62898753f35ea3fc7b30beac01cb107809cb46c9bf1b548884e4c82d500e3a22d4ffc6f3ecba273507335b1697881160d6
ripemd-160	1d05ff7c209389e053293b50069f75d5b5578829

21497747 as geometric shapes

Circle

Radius = n

Diameter	42995494
Circumference	135074328.08786
Area	1.4518968657139E+15

Sphere

Radius = n

Volume	4.1616681985615E+22
Surface area	5.8075874628558E+15
Circumference	135074328.08786

Square

Length = n

Perimeter	85990988
Area	462153126076009
Diagonal	30402405.367866

Cube

Length = n

Surface area	2772918756456054
Volume	9.9352509796411E+21
Space diagonal	37235190.052261

Equilateral Triangle

Length = n

Perimeter	64493241
Area	2.0011817381011E+14
Altitude	18617595.026131

Triangular Pyramid

Length = n

Surface area	2.0011817381011E+14
Volume	1.1708805567491E+21
Height	10134135.122622