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

21106987 (number)

21106987 is an odd 8-digits composite number following 21106986 and preceding 21106988. In scientific notation, it is written as 2.1106987 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19188160 positive integers (up to 21106987) that are relatively prime to 21106987.

Interesting facts

21106987 has 4 divisors, whose sum is 23025816
The reverse of 21106987 is 78960112
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million one hundred six thousand nine hundred eighty-seven

Notation

Scientific notation	2.1106987 × 10^7
Engineering notation	2.1106987 × 10^6

Prime Factorization of 21106987

Prime Factorization 11 × 1918817

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21106987	Product of the distinct prime numbers

The prime factorization of 21106987 is 11 × 1918817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 42, 100, 539, 195, 5932, 9008, 99994, 18495, 418425, 24029, 1625699, 3052214, 78232857, 56902070, 122671769, 947857966, 6429254615, 9997264309

Basic calculations (n = 21106987)

Multiplication

n×y

n×2	42213974
n×3	63320961
n×4	84427948
n×5	105534935

Division

n÷y

n÷2	10553493.5
n÷3	7035662.3333333
n÷3	5276746.75
n÷5	4221397.4

Exponentiation

n^y

n²	445504900218169
n³	9.4032661373412E+21
n⁴	1.984746161184E+29
n⁵	4.1892011422411E+36

Nth Root

^y√n

²√n	4594.2341037435
³√n	276.36014649031
⁴√n	67.780779751664
⁵√n	29.166562586162

Divisors of 21106987

1, 11, 1918817, 21106987

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	-21106986	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 21106987 can be divided by 4 positive divisors. The sum of these divisors (counting 21106987) is 1, the average is 0.25.

Base conversion 21106987

Base	System	Value
2	Binary	1010000100001000100101011
3	Ternary	1110201100100021
4	Quaternary	1100201010223
5	Quinary	20400410422
6	Senary	2032221311
8	Octal	120410453
10	Decimal	21106987
12	Duodecimal	709a837
16	Hexadecimal	142112b
20	Vigesimal	6bi797
36	Base36	cke97

Cryptographic Hash Functions

md5	8b523bf84ac0ed2856211af937cf1089
sha1	c641fb5558616d0d09c3766abda5344ee11eefa7
sha256	0ecf9477d3c4ae91c85afddcd1f3f9d94c4b14142a2d8b169662222b03c25ad7
sha512	556868271b2ab5135b713a1be8f8ddc12e7322eed74980fccd9b55ea1be7e75b05e7d44f0054d75fea67995a5287d34bfb4ef622f41f9a70b02f46822aa84d48
ripemd-160	9bfe8886f6a350b98da300a108902d71bd2d88ec

21106987 as geometric shapes

Circle

Radius = n

Diameter	42213974
Circumference	132619110.59723
Area	1.3995949216637E+15

Sphere

Radius = n

Volume	3.9388309089094E+22
Surface area	5.5983796866546E+15
Circumference	132619110.59723

Square

Length = n

Perimeter	84427948
Area	445504900218169
Diagonal	29849787.276233

Cube

Length = n

Surface area	2673029401309014
Volume	9.4032661373412E+21
Space diagonal	36558373.878696

Equilateral Triangle

Length = n

Perimeter	63320961
Area	1.9290928054969E+14
Altitude	18279186.939348

Triangular Pyramid

Length = n

Surface area	1.9290928054969E+14
Volume	1.108185541836E+21
Height	9949929.0920775