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

21087955 (number)

21087955 is an odd 8-digits composite number following 21087954 and preceding 21087956. In scientific notation, it is written as 2.1087955 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 14460288 positive integers (up to 21087955) that are relatively prime to 21087955.

Interesting facts

21087955 has 8 divisors, whose sum is 28920672
The reverse of 21087955 is 55978012
Previous prime number is 5

Basic properties

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

Name

Name	twenty-one million eighty-seven thousand nine hundred fifty-five

Notation

Scientific notation	2.1087955 × 10^7
Engineering notation	2.1087955 × 10^6

Prime Factorization of 21087955

Prime Factorization 7 × 5 × 602513

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087955	Product of the distinct prime numbers

The prime factorization of 21087955 is 7 × 5 × 602513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 24, 44, 139, 205, 9950, 1931, 59572, 69673, 785216, 558449, 6334539, 4620499, 78617190, 21918911, 110398658, 990147121, 5782607986, 7780039025

Basic calculations (n = 21087955)

Multiplication

n×y

n×2	42175910
n×3	63263865
n×4	84351820
n×5	105439775

Division

n÷y

n÷2	10543977.5
n÷3	7029318.3333333
n÷3	5271988.75
n÷5	4217591

Exponentiation

n^y

n²	444701846082025
n³	9.3778525185947E+21
n⁴	1.9775973190876E+29
n⁵	4.170348327304E+36

Nth Root

^y√n

²√n	4592.1623446912
³√n	276.27705760648
⁴√n	67.765495236818
⁵√n	29.161300837164

Divisors of 21087955

1, 5, 7, 35, 602513, 3012565, 4217591, 21087955

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	-21087954	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 21087955 can be divided by 8 positive divisors. The sum of these divisors (counting 21087955) is 1, the average is 0.125.

Base conversion 21087955

Base	System	Value
2	Binary	1010000011100011011010011
3	Ternary	1110200101020101
4	Quaternary	1100130123103
5	Quinary	20344303310
6	Senary	2031553231
8	Octal	120343323
10	Decimal	21087955
12	Duodecimal	708b817
16	Hexadecimal	141c6d3
20	Vigesimal	6bfjhf
36	Base36	cjzkj

Cryptographic Hash Functions

md5	b67052c752df09b8965bf84fee230678
sha1	b12ea2efd992b1af40f13bfd687196239b9fe33f
sha256	6bdae2f0bd177e7b1d23edbd63b915cd6874b0399c48c0fee2078cf166688c5b
sha512	bd54866b5bcb47400a76f82244298022e01988ff5f464349ebc3d1b5f7cc41d87cbf35e4bc94777101495c754c68d41db2261043d39e945ac9617390441cae2e
ripemd-160	3b30772f6ad92eeedce2225bd2671fc7798752e2

21087955 as geometric shapes

Circle

Radius = n

Diameter	42175910
Circumference	132499529.01446
Area	1.3970720526891E+15

Sphere

Radius = n

Volume	3.9281856771821E+22
Surface area	5.5882882107564E+15
Circumference	132499529.01446

Square

Length = n

Perimeter	84351820
Area	444701846082025
Diagonal	29822871.963714

Cube

Length = n

Surface area	2668211076492150
Volume	9.3778525185947E+21
Space diagonal	36525409.487726

Equilateral Triangle

Length = n

Perimeter	63263865
Area	1.9256154790844E+14
Altitude	18262704.743863

Triangular Pyramid

Length = n

Surface area	1.9256154790844E+14
Volume	1.1051905181443E+21
Height	9940957.3212378