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

21087769 (number)

21087769 is an odd 8-digits composite number following 21087768 and preceding 21087770. In scientific notation, it is written as 2.1087769 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19718400 positive integers (up to 21087769) that are relatively prime to 21087769.

Interesting facts

21087769 has 8 divisors, whose sum is 22473288
The reverse of 21087769 is 96778012
Previous prime number is 157

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.1087769 × 10^7
Engineering notation	2.1087769 × 10^6

Prime Factorization of 21087769

Prime Factorization 17 × 157 × 7901

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087769	Product of the distinct prime numbers

The prime factorization of 21087769 is 17 × 157 × 7901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 72, 78, 775, 535, 9796, 4470, 92760, 58463, 778705, 826929, 7655735, 5769540, 31592350, 31269061, 962772529, 738927866, 4700605642, 1353821588

Basic calculations (n = 21087769)

Multiplication

n×y

n×2	42175538
n×3	63263307
n×4	84351076
n×5	105438845

Division

n÷y

n÷2	10543884.5
n÷3	7029256.3333333
n÷3	5271942.25
n÷5	4217553.8

Exponentiation

n^y

n²	444694001397361
n³	9.3776043771532E+21
n⁴	1.977527548788E+29
n⁵	4.1701644139977E+36

Nth Root

^y√n

²√n	4592.1420927493
³√n	276.27624533104
⁴√n	67.765345810003
⁵√n	29.161249395276

Divisors of 21087769

1, 17, 157, 2669, 7901, 134317, 1240457, 21087769

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	-21087768	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 21087769 can be divided by 8 positive divisors. The sum of these divisors (counting 21087769) is 1, the average is 0.125.

Base conversion 21087769

Base	System	Value
2	Binary	1010000011100011000011001
3	Ternary	1110200100222111
4	Quaternary	1100130120121
5	Quinary	20344302034
6	Senary	2031552321
8	Octal	120343031
10	Decimal	21087769
12	Duodecimal	708b6a1
16	Hexadecimal	141c619
20	Vigesimal	6bfj89
36	Base36	cjzfd

Cryptographic Hash Functions

md5	2a431365e18339e930a4e61cd7dbba5d
sha1	82d9a01e0d1e68de51b3adbe80a6d18809d183e4
sha256	b81a671cb68db7a17c88d1122478a6474c3bfabf8c606609a94a3ecf7e7c94c5
sha512	959bdc50ef26acbf7ceff00bc04397572e2ea01c52ed97202d234d4242db30c53eb05eaa3ad5a9819d715e4f6c5861aa49c4f9a27c018beeeaed85646cea85b2
ripemd-160	f4f189f0787f6d0cac73d47029918d4452949689

21087769 as geometric shapes

Circle

Radius = n

Diameter	42175538
Circumference	132498360.342
Area	1.3970474078854E+15

Sphere

Radius = n

Volume	3.9280817359381E+22
Surface area	5.5881896315416E+15
Circumference	132498360.342

Square

Length = n

Perimeter	84351076
Area	444694001397361
Diagonal	29822608.919991

Cube

Length = n

Surface area	2668164008384166
Volume	9.3776043771532E+21
Space diagonal	36525087.326276

Equilateral Triangle

Length = n

Perimeter	63263307
Area	1.9255815106033E+14
Altitude	18262543.663138

Triangular Pyramid

Length = n

Surface area	1.9255815106033E+14
Volume	1.1051612743949E+21
Height	9940869.639997