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

21087715 (number)

21087715 is an odd 8-digits composite number following 21087714 and preceding 21087716. In scientific notation, it is written as 2.1087715 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 15210720 positive integers (up to 21087715) that are relatively prime to 21087715.

Interesting facts

21087715 has 8 divisors, whose sum is 21647360
The reverse of 21087715 is 51778012
Previous prime number is 127

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million eighty-seven thousand seven hundred fifteen

Notation

Scientific notation	2.1087715 × 10^7
Engineering notation	2.1087715 × 10^6

Prime Factorization of 21087715

Prime Factorization 55 × 127 × 3019

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087715	Product of the distinct prime numbers

The prime factorization of 21087715 is 55 × 127 × 3019. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 76, 16, 12, 156, 148, 4555, 81005, 51452, 38910, 779075, 81677, 8133206, 35955741, 52512209, 85989980, 14656912, 3977528717, 9398522005

Basic calculations (n = 21087715)

Multiplication

n×y

n×2	42175430
n×3	63263145
n×4	84350860
n×5	105438575

Division

n÷y

n÷2	10543857.5
n÷3	7029238.3333333
n÷3	5271928.75
n÷5	4217543

Exponentiation

n^y

n²	444691723921225
n³	9.3775323369095E+21
n⁴	1.9775072932403E+29
n⁵	4.1701110210273E+36

Nth Root

^y√n

²√n	4592.1362131365
³√n	276.27600950824
⁴√n	67.765302427839
⁵√n	29.161234460466

Divisors of 21087715

1, 55, 127, 3019, 6985, 166045, 383413, 21087715

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	-21087714	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 21087715 can be divided by 8 positive divisors. The sum of these divisors (counting 21087715) is 1, the average is 0.125.

Base conversion 21087715

Base	System	Value
2	Binary	1010000011100010111100011
3	Ternary	1110200100220111
4	Quaternary	1100130113203
5	Quinary	20344301330
6	Senary	2031552151
8	Octal	120342743
10	Decimal	21087715
12	Duodecimal	708b657
16	Hexadecimal	141c5e3
20	Vigesimal	6bfj5f
36	Base36	cjzdv

Cryptographic Hash Functions

md5	40ed9448d8b49e5546ba2235aa2ffe8b
sha1	9f2d4d5ee6eeaafc778ab9a1946f7dce5341b874
sha256	a1ee6f88a8f7d0bb22b1aa502b5546f85947dd6a58b51a3818dfd65c0b947f39
sha512	e5c066f51db7b2b297338e233d68792eabc0fcc3b823d62fdafda7055ec7aa69f60aa5f21e1e169e40e818792a000c4398fb747d004c6e9c97d752c0beb14655
ripemd-160	857951b99c085936c0fce48b8afd5d24233492cd

21087715 as geometric shapes

Circle

Radius = n

Diameter	42175430
Circumference	132498021.04999
Area	1.3970402529831E+15

Sphere

Radius = n

Volume	3.9280515597914E+22
Surface area	5.5881610119324E+15
Circumference	132498021.04999

Square

Length = n

Perimeter	84350860
Area	444691723921225
Diagonal	29822532.552459

Cube

Length = n

Surface area	2668150343527350
Volume	9.3775323369095E+21
Space diagonal	36524993.795532

Equilateral Triangle

Length = n

Perimeter	63263145
Area	1.9255716488424E+14
Altitude	18262496.897766

Triangular Pyramid

Length = n

Surface area	1.9255716488424E+14
Volume	1.1051527843708E+21
Height	9940844.1841529