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

21490857 (number)

21490857 is an odd 8-digits composite number following 21490856 and preceding 21490858. In scientific notation, it is written as 2.1490857 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 14327232 positive integers (up to 21490857) that are relatively prime to 21490857.

Interesting facts

21490857 has 4 divisors, whose sum is 23878740
The reverse of 21490857 is 75809412
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million four hundred ninety thousand eight hundred fifty-seven

Notation

Scientific notation	2.1490857 × 10^7
Engineering notation	2.1490857 × 10^6

Prime Factorization of 21490857

Prime Factorization 9 × 2387873

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490857	Product of the distinct prime numbers

The prime factorization of 21490857 is 9 × 2387873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 11, 53, 799, 211, 1212, 7796, 84106, 56958, 168786, 221744, 2220361, 3577752, 53530821, 7325361, 370867521, 139492495, 1537168535, 4592069248

Basic calculations (n = 21490857)

Multiplication

n×y

n×2	42981714
n×3	64472571
n×4	85963428
n×5	107454285

Division

n÷y

n÷2	10745428.5
n÷3	7163619
n÷3	5372714.25
n÷5	4298171.4

Exponentiation

n^y

n²	461856934594449
n³	9.9257013358277E+21
n⁴	2.1331182803298E+29
n⁵	4.5842539926654E+36

Nth Root

^y√n

²√n	4635.8232278636
³√n	278.02546650061
⁴√n	68.086879998012
⁵√n	29.271888814925

Divisors of 21490857

1, 9, 2387873, 21490857

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	-21490856	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 21490857 can be divided by 4 positive divisors. The sum of these divisors (counting 21490857) is 1, the average is 0.25.

Base conversion 21490857

Base	System	Value
2	Binary	1010001111110110010101001
3	Ternary	1111102211220200
4	Quaternary	1101332302221
5	Quinary	21000201412
6	Senary	2044342413
8	Octal	121766251
10	Decimal	21490857
12	Duodecimal	7244a09
16	Hexadecimal	147eca9
20	Vigesimal	6e672h
36	Base36	csmg9

Cryptographic Hash Functions

md5	f863a91c252c6313a22d5a68de031c0d
sha1	3b03cb8706ebfa6eb9b0a217dedb425b8414efe7
sha256	682f269c187512ba8f62d13b225ac3e58bc28b0bb97bab4538b045b1e0719376
sha512	260731eabef13eeb1c270bf15294070dfd6553bcfe5d8194dc5eec7cd3ac877aa10838701bfca7057aa8b5a963303f04bcb9d4e890bd85d3f2979a4a4a505bda
ripemd-160	f36d66200ed58083aff74693b26d444a9587ebf8

21490857 as geometric shapes

Circle

Radius = n

Diameter	42981714
Circumference	135031036.9411
Area	1.4509663527314E+15

Sphere

Radius = n

Volume	4.157668053115E+22
Surface area	5.8038654109257E+15
Circumference	135031036.9411

Square

Length = n

Perimeter	85963428
Area	461856934594449
Diagonal	30392661.436421

Cube

Length = n

Surface area	2771141607566694
Volume	9.9257013358277E+21
Space diagonal	37223256.222197

Equilateral Triangle

Length = n

Perimeter	64472571
Area	1.999899191364E+14
Altitude	18611628.111099

Triangular Pyramid

Length = n

Surface area	1.999899191364E+14
Volume	1.1697551204327E+21
Height	10130887.145474