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

21307987 (number)

21307987 is an odd 8-digits composite number following 21307986 and preceding 21307988. In scientific notation, it is written as 2.1307987 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 18524160 positive integers (up to 21307987) that are relatively prime to 21307987.

Interesting facts

21307987 has 16 divisors, whose sum is 24343200
The reverse of 21307987 is 78970312
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1307987 × 10^7
Engineering notation	2.1307987 × 10^6

Prime Factorization of 21307987

Prime Factorization 17 × 19 × 41 × 1609

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21307987	Product of the distinct prime numbers

The prime factorization of 21307987 is 17 × 19 × 41 × 1609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 28, 36, 319, 537, 6743, 5127, 34396, 73185, 679180, 186301, 4120081, 1925593, 64425490, 13639589, 605423105, 392066454, 1941797717, 8218349329

Basic calculations (n = 21307987)

Multiplication

n×y

n×2	42615974
n×3	63923961
n×4	85231948
n×5	106539935

Division

n÷y

n÷2	10653993.5
n÷3	7102662.3333333
n÷3	5326996.75
n÷5	4261597.4

Exponentiation

n^y

n²	454030309992169
n³	9.6744719429191E+21
n⁴	2.0614352239159E+29
n⁵	4.3925034952541E+36

Nth Root

^y√n

²√n	4616.0575169727
³√n	277.23462767408
⁴√n	67.941574289773
⁵√n	29.221902314932

Divisors of 21307987

1, 17, 19, 41, 323, 697, 779, 1609, 13243, 27353, 30571, 65969, 519707, 1121473, 1253411, 21307987

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21307986	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21307987 can be divided by 16 positive divisors. The sum of these divisors (counting 21307987) is 1, the average is 0.0625.

Base conversion 21307987

Base	System	Value
2	Binary	1010001010010001001010011
3	Ternary	1111002120001201
4	Quaternary	1101102021103
5	Quinary	20423323422
6	Senary	2040412031
8	Octal	121221123
10	Decimal	21307987
12	Duodecimal	7177017
16	Hexadecimal	1452253
20	Vigesimal	6d39j7
36	Base36	copcj

Cryptographic Hash Functions

md5	821d686b863838b11c45b48fc76533d2
sha1	a7fbf2ba30eca4f06b9947787d073aecce5cacfd
sha256	6d5787a8cbc8a4b82ffbb7779597367e08bf4769c2e7e7ee34ea2a33c09ca52d
sha512	16aa55ea8111375f04e577c47462d29813b6c9cca4ec26a5c7bc894e92f647e5688c71124e5a4d458dc7bd5aa997b730e1bdd37d714af34989695d591e771cb6
ripemd-160	2fecad5a50d24c711f16bfaaeeac072f427c8875

21307987 as geometric shapes

Circle

Radius = n

Diameter	42615974
Circumference	133882030.84397
Area	1.4263782863785E+15

Sphere

Radius = n

Volume	4.052433331098E+22
Surface area	5.705513145514E+15
Circumference	133882030.84397

Square

Length = n

Perimeter	85231948
Area	454030309992169
Diagonal	30134044.20227

Cube

Length = n

Surface area	2724181859953014
Volume	9.6744719429191E+21
Space diagonal	36906516.091017

Equilateral Triangle

Length = n

Perimeter	63923961
Area	1.9660089127067E+14
Altitude	18453258.045509

Triangular Pyramid

Length = n

Surface area	1.9660089127067E+14
Volume	1.1401474525395E+21
Height	10044681.400757