21389871, twenty-one million three hundred eighty-nine thousand eight hundred seventy-one: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

21389871 has 8 divisors, whose sum is 28553904
The reverse of 21389871 is 17898312
Previous prime number is 941

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million three hundred eighty-nine thousand eight hundred seventy-one

Notation

Scientific notation	2.1389871 × 10^7
Engineering notation	2.1389871 × 10^6

Prime Factorization of 21389871

Prime Factorization 3 × 941 × 7577

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21389871	Product of the distinct prime numbers

The prime factorization of 21389871 is 3 × 941 × 7577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 77, 14, 169, 796, 6193, 300, 1988, 78474, 791039, 580074, 1059615, 9719338, 8938602, 389555, 598118183, 951224357, 7122276456, 1660463074

Basic calculations (n = 21389871)

Multiplication

n×y

n×2	42779742
n×3	64169613
n×4	85559484
n×5	106949355

Division

n÷y

n÷2	10694935.5
n÷3	7129957
n÷3	5347467.75
n÷5	4277974.2

Exponentiation

n^y

n²	457526581396641
n³	9.7864345551452E+21
n⁴	2.093305726845E+29
n⁵	4.4775539460775E+36

Nth Root

^y√n

²√n	4624.9184857682
³√n	277.58930004823
⁴√n	68.006753236485
⁵√n	29.244327113689

Divisors of 21389871

1, 3, 941, 2823, 7577, 22731, 7129957, 21389871

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21389870	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21389871 can be divided by 8 positive divisors. The sum of these divisors (counting 21389871) is 1, the average is 0.125.

Base conversion 21389871

Base	System	Value
2	Binary	1010001100110001000101111
3	Ternary	1111020201101110
4	Quaternary	1101212020233
5	Quinary	20433433441
6	Senary	2042243103
8	Octal	121461057
10	Decimal	21389871
12	Duodecimal	71b6493
16	Hexadecimal	146622f
20	Vigesimal	6ddedb
36	Base36	cqgj3

Cryptographic Hash Functions

md5	064fb1228d98544971618c27e38e6847
sha1	5c32788dfa2632e3aee8ebf8c6a2e0974fad380c
sha256	a4337323c02f439ee26a0e5c3b9c49071ccbf5cb5eb0dd781ae4e8902e7785cc
sha512	b2bdede8cc1cea83fa4cbb3f575aca61bd2850da1c0e08697a72261454ce6df685cc544745a7af0ab86da5604a3feca61d90cb0b1b60b5f0e06d5cf234f351bc
ripemd-160	ec9367438be87b0533bfada3651cee3abf700492

21389871 as geometric shapes

Circle

Radius = n

Diameter	42779742
Circumference	134396523.18967
Area	1.4373621469377E+15

Sphere

Radius = n

Volume	4.0993321204375E+22
Surface area	5.749448587751E+15
Circumference	134396523.18967

Square

Length = n

Perimeter	85559484
Area	457526581396641
Diagonal	30249845.665611

Cube

Length = n

Surface area	2745159488379846
Volume	9.7864345551452E+21
Space diagonal	37048343.339344

Equilateral Triangle

Length = n

Perimeter	64169613
Area	1.9811482119807E+14
Altitude	18524171.669672

Triangular Pyramid

Length = n

Surface area	1.9811482119807E+14
Volume	1.1533423729302E+21
Height	10083281.888537