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

21087974 (number)

21087974 is an even 8-digits composite number following 21087973 and preceding 21087975. In scientific notation, it is written as 2.1087974 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10298736 positive integers (up to 21087974) that are relatively prime to 21087974.

Interesting facts

21087974 has 8 divisors, whose sum is 32367720
The reverse of 21087974 is 47978012
Previous prime number is 43

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.1087974 × 10^7
Engineering notation	2.1087974 × 10^6

Prime Factorization of 21087974

Prime Factorization 2 × 43 × 245209

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087974	Product of the distinct prime numbers

The prime factorization of 21087974 is 2 × 43 × 245209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 35, 54, 176, 498, 3672, 8242, 45857, 74105, 996911, 243622, 5059367, 9153582, 67805435, 98238714, 835339909, 97298480, 3696552067, 4698436499

Basic calculations (n = 21087974)

Multiplication

n×y

n×2	42175948
n×3	63263922
n×4	84351896
n×5	105439870

Division

n÷y

n÷2	10543987
n÷3	7029324.6666667
n÷3	5271993.5
n÷5	4217594.8

Exponentiation

n^y

n²	444702647424676
n³	9.3778778666227E+21
n⁴	1.9776044462652E+29
n⁵	4.1703671145124E+36

Nth Root

^y√n

²√n	4592.164413433
³√n	276.27714058058
⁴√n	67.765510500792
⁵√n	29.16130609196

Divisors of 21087974

1, 2, 43, 86, 245209, 490418, 10543987, 21087974

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	-21087973	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 21087974 can be divided by 8 positive divisors. The sum of these divisors (counting 21087974) is 1, the average is 0.125.

Base conversion 21087974

Base	System	Value
2	Binary	1010000011100011011100110
3	Ternary	1110200101021002
4	Quaternary	1100130123212
5	Quinary	20344303344
6	Senary	2031553302
8	Octal	120343346
10	Decimal	21087974
12	Duodecimal	708b832
16	Hexadecimal	141c6e6
20	Vigesimal	6bfjie
36	Base36	cjzl2

Cryptographic Hash Functions

md5	a7cd1a3d3e9542ec73affd1d0d8f79d5
sha1	6ae8a12d5491e5c337eaf8eb6520c0d95b6024c9
sha256	a34a9d39ca0b3a7d591e2a3014e4ad5efd2a8cb7ef55ce360712beabad5c59c5
sha512	73ae6a400b266c48874968f025417987277044f9a7edca471ad6acc502041e808138f90784ce4466ffda956ef406c7a275a12e5c37c7d473f40a66440da85908
ripemd-160	66a100f9341888b9429d387622cd93823bb2a83f

21087974 as geometric shapes

Circle

Radius = n

Diameter	42175948
Circumference	132499648.39499
Area	1.3970745701813E+15

Sphere

Radius = n

Volume	3.9281962949392E+22
Surface area	5.5882982807252E+15
Circumference	132499648.39499

Square

Length = n

Perimeter	84351896
Area	444702647424676
Diagonal	29822898.833771

Cube

Length = n

Surface area	2668215884548056
Volume	9.3778778666227E+21
Space diagonal	36525442.396691

Equilateral Triangle

Length = n

Perimeter	63263922
Area	1.9256189489998E+14
Altitude	18262721.198346

Triangular Pyramid

Length = n

Surface area	1.9256189489998E+14
Volume	1.105193505438E+21
Height	9940966.2779237