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

21487121 (number)

21487121 is an odd 8-digits composite number following 21487120 and preceding 21487122. In scientific notation, it is written as 2.1487121 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20906352 positive integers (up to 21487121) that are relatively prime to 21487121.

Interesting facts

21487121 has 4 divisors, whose sum is 22067892
The reverse of 21487121 is 12178412
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million four hundred eighty-seven thousand one hundred twenty-one

Notation

Scientific notation	2.1487121 × 10^7
Engineering notation	2.1487121 × 10^6

Prime Factorization of 21487121

Prime Factorization 37 × 580733

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21487121	Product of the distinct prime numbers

The prime factorization of 21487121 is 37 × 580733. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 64, 15, 617, 471, 7952, 6714, 51215, 14306, 715495, 503951, 382970, 900708, 22082053, 78454245, 601600385, 220670683, 343253705, 6577181332

Basic calculations (n = 21487121)

Multiplication

n×y

n×2	42974242
n×3	64461363
n×4	85948484
n×5	107435605

Division

n÷y

n÷2	10743560.5
n÷3	7162373.6666667
n÷3	5371780.25
n÷5	4297424.2

Exponentiation

n^y

n²	461696368868641
n³	9.9205257431411E+21
n⁴	2.1316353702649E+29
n⁵	4.5802707128761E+36

Nth Root

^y√n

²√n	4635.4202614218
³√n	278.00935479105
⁴√n	68.083920725982
⁵√n	29.270871011103

Divisors of 21487121

1, 37, 580733, 21487121

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	-21487120	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 21487121 can be divided by 4 positive divisors. The sum of these divisors (counting 21487121) is 1, the average is 0.25.

Base conversion 21487121

Base	System	Value
2	Binary	1010001111101111000010001
3	Ternary	1111102122210022
4	Quaternary	1101331320101
5	Quinary	21000041441
6	Senary	2044313225
8	Octal	121757021
10	Decimal	21487121
12	Duodecimal	7242815
16	Hexadecimal	147de11
20	Vigesimal	6e5hg1
36	Base36	csjkh

Cryptographic Hash Functions

md5	fdd211a4d397d8453e414d32964e27a7
sha1	227fc33005fbdd8722bd2b524dc0fa3fe8d2a83c
sha256	34c1bd1f35e0e5d9459ba9158a3aa08425d24b6183c1def37b692b8bc0e98026
sha512	edbefaf327d3b16503d5a77b10950bbd9c3ff77034268c2f47a366a51eea78aad67323cc8c78e75f01826a7d41ac22086c9b857bb9194e87bc100158c10fb6fb
ripemd-160	21d95b3bfc9fdcc13257f369571ea2bef89d2f0c

21487121 as geometric shapes

Circle

Radius = n

Diameter	42974242
Circumference	135007562.96079
Area	1.4504619206268E+15

Sphere

Radius = n

Volume	4.1555001059201E+22
Surface area	5.8018476825072E+15
Circumference	135007562.96079

Square

Length = n

Perimeter	85948484
Area	461696368868641
Diagonal	30387377.934552

Cube

Length = n

Surface area	2770178213211846
Volume	9.9205257431411E+21
Space diagonal	37216785.28038

Equilateral Triangle

Length = n

Perimeter	64461363
Area	1.9992039213764E+14
Altitude	18608392.64019

Triangular Pyramid

Length = n

Surface area	1.9992039213764E+14
Volume	1.1691451709851E+21
Height	10129125.978184