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

21986871 (number)

21986871 is an odd 8-digits composite number following 21986870 and preceding 21986872. In scientific notation, it is written as 2.1986871 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14657912 positive integers (up to 21986871) that are relatively prime to 21986871.

Interesting facts

21986871 has 4 divisors, whose sum is 29315832
The reverse of 21986871 is 17868912
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.1986871 × 10^7
Engineering notation	2.1986871 × 10^6

Prime Factorization of 21986871

Prime Factorization 3 × 7328957

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21986871	Product of the distinct prime numbers

The prime factorization of 21986871 is 3 × 7328957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 89, 28, 751, 61, 6488, 9743, 904, 21530, 331460, 280834, 4969508, 2029449, 79780507, 31364709, 363747251, 265277809, 453539739, 9609212479

Basic calculations (n = 21986871)

Multiplication

n×y

n×2	43973742
n×3	65960613
n×4	87947484
n×5	109934355

Division

n÷y

n÷2	10993435.5
n÷3	7328957
n÷3	5496717.75
n÷5	4397374.2

Exponentiation

n^y

n²	483422496370641
n³	1.0628948066199E+22
n⁴	2.3369730999722E+29
n⁵	5.1382726079559E+36

Nth Root

^y√n

²√n	4689.0159948544
³√n	280.14818261884
⁴√n	68.476390054196
⁵√n	29.405778777602

Divisors of 21986871

1, 3, 7328957, 21986871

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	-21986870	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 21986871 can be divided by 4 positive divisors. The sum of these divisors (counting 21986871) is 1, the average is 0.25.

Base conversion 21986871

Base	System	Value
2	Binary	1010011110111111000110111
3	Ternary	1112101001022120
4	Quaternary	1103313320313
5	Quinary	21112034441
6	Senary	2103131023
8	Octal	123677067
10	Decimal	21986871
12	Duodecimal	7443a73
16	Hexadecimal	14f7e37
20	Vigesimal	6h873b
36	Base36	d396f

Cryptographic Hash Functions

md5	9147839040383c6782d7f9897d37c18a
sha1	2542bf66ad5dcdfb98336d8db9e2ab0825dbcde9
sha256	a03b7663304028d2ec76940208d904248d9ebf4508ec637e94535a51c4928731
sha512	7e7dae6786b9b87c5d973fc2a718aad7c7093dd312fc0e949ad424b5971d280d48e5762667ddb8c047a811e25a656aa97abfc9c73b3808d0f1219c3fbf0173ba
ripemd-160	108b6a860e728233092f3b11d1c2a4b24e24aeb4

21986871 as geometric shapes

Circle

Radius = n

Diameter	43973742
Circumference	138147584.81805
Area	1.518716563178E+15

Sphere

Radius = n

Volume	4.4522433546879E+22
Surface area	6.0748662527122E+15
Circumference	138147584.81805

Square

Length = n

Perimeter	87947484
Area	483422496370641
Diagonal	31094131.162348

Cube

Length = n

Surface area	2900534978223846
Volume	1.0628948066199E+22
Space diagonal	38082377.671463

Equilateral Triangle

Length = n

Perimeter	65960613
Area	2.0932808130893E+14
Altitude	19041188.835731

Triangular Pyramid

Length = n

Surface area	2.0932808130893E+14
Volume	1.2526335424149E+21
Height	10364710.387449