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

21087903 (number)

21087903 is an odd 8-digits composite number following 21087902 and preceding 21087904. In scientific notation, it is written as 2.1087903 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13929408 positive integers (up to 21087903) that are relatively prime to 21087903.

Interesting facts

21087903 has 8 divisors, whose sum is 28375600
The reverse of 21087903 is 30978012
Previous prime number is 109

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1087903 × 10^7
Engineering notation	2.1087903 × 10^6

Prime Factorization of 21087903

Prime Factorization 3 × 109 × 64489

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087903	Product of the distinct prime numbers

The prime factorization of 21087903 is 3 × 109 × 64489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 29, 53, 22, 920, 2900, 3278, 10525, 88257, 798876, 648051, 4833593, 5887687, 53888898, 19951829, 287929002, 721770307, 2719916600, 2436478449

Basic calculations (n = 21087903)

Multiplication

n×y

n×2	42175806
n×3	63263709
n×4	84351612
n×5	105439515

Division

n÷y

n÷2	10543951.5
n÷3	7029301
n÷3	5271975.75
n÷5	4217580.6

Exponentiation

n^y

n²	444699652937409
n³	9.3777831452777E+21
n⁴	1.9775778132265E+29
n⁵	4.1702969100273E+36

Nth Root

^y√n

²√n	4592.156682867
³√n	276.2768305192
⁴√n	67.765453461679
⁵√n	29.161286455597

Divisors of 21087903

1, 3, 109, 327, 64489, 193467, 7029301, 21087903

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	-21087902	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 21087903 can be divided by 8 positive divisors. The sum of these divisors (counting 21087903) is 1, the average is 0.125.

Base conversion 21087903

Base	System	Value
2	Binary	1010000011100011010011111
3	Ternary	1110200101011110
4	Quaternary	1100130122133
5	Quinary	20344303103
6	Senary	2031553103
8	Octal	120343237
10	Decimal	21087903
12	Duodecimal	708b793
16	Hexadecimal	141c69f
20	Vigesimal	6bfjf3
36	Base36	cjzj3

Cryptographic Hash Functions

md5	bd11ca4443aeb8e76be654b50c142e57
sha1	1e3bb659a8e96c87d6b4d58360abd775b6ffa13e
sha256	249f375f5b14ec94009f71cc56535b88b6488f85c6b74e16a2721655f782c0f7
sha512	8b4ff834a58fcee330573b7f563c10d81cd15953bfb88e30a33612b7c2e86ace1a9fe223466578a603661ae13b33a2d5efde7aeab35d584bb00bd92e39728308
ripemd-160	968d132974253096fff9565016561539e217d005

21087903 as geometric shapes

Circle

Radius = n

Diameter	42175806
Circumference	132499202.28883
Area	1.3970651627221E+15

Sphere

Radius = n

Volume	3.928156618155E+22
Surface area	5.5882606508884E+15
Circumference	132499202.28883

Square

Length = n

Perimeter	84351612
Area	444699652937409
Diagonal	29822798.424608

Cube

Length = n

Surface area	2668197917624454
Volume	9.3777831452777E+21
Space diagonal	36525319.421084

Equilateral Triangle

Length = n

Perimeter	63263709
Area	1.9256059824896E+14
Altitude	18262659.710542

Triangular Pyramid

Length = n

Surface area	1.9256059824896E+14
Volume	1.1051823424205E+21
Height	9940932.8082028