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

21085887 (number)

21085887 is an odd 8-digits composite number following 21085886 and preceding 21085888. In scientific notation, it is written as 2.1085887 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14036760 positive integers (up to 21085887) that are relatively prime to 21085887.

Interesting facts

21085887 has 8 divisors, whose sum is 28155520
The reverse of 21085887 is 78858012
Previous prime number is 739

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million eighty-five thousand eight hundred eighty-seven

Notation

Scientific notation	2.1085887 × 10^7
Engineering notation	2.1085887 × 10^6

Prime Factorization of 21085887

Prime Factorization 3 × 739 × 9511

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21085887	Product of the distinct prime numbers

The prime factorization of 21085887 is 3 × 739 × 9511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 39, 43, 615, 980, 1308, 2094, 44716, 92927, 216476, 62308, 2824621, 1234953, 60295216, 57706256, 705514667, 238352656, 5163998829, 2730304085

Basic calculations (n = 21085887)

Multiplication

n×y

n×2	42171774
n×3	63257661
n×4	84343548
n×5	105429435

Division

n÷y

n÷2	10542943.5
n÷3	7028629
n÷3	5271471.75
n÷5	4217177.4

Exponentiation

n^y

n²	444614630576769
n³	9.3750938588885E+21
n⁴	1.9768216972292E+29
n⁵	4.1683038926922E+36

Nth Root

^y√n

²√n	4591.9371729152
³√n	276.26802623237
⁴√n	67.763833812109
⁵√n	29.160728871453

Divisors of 21085887

1, 3, 739, 2217, 9511, 28533, 7028629, 21085887

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	-21085886	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 21085887 can be divided by 8 positive divisors. The sum of these divisors (counting 21085887) is 1, the average is 0.125.

Base conversion 21085887

Base	System	Value
2	Binary	1010000011011111010111111
3	Ternary	1110200021101210
4	Quaternary	1100123322333
5	Quinary	20344222022
6	Senary	2031535503
8	Octal	120337277
10	Decimal	21085887
12	Duodecimal	708a593
16	Hexadecimal	141bebf
20	Vigesimal	6bfee7
36	Base36	cjxz3

Cryptographic Hash Functions

md5	7ac568122a2aecfa2ec870581e20e74d
sha1	c318ba45843fa7027738523b0113c01a1f37a7d8
sha256	9444fce65ad4c7d8193fd29c927dc78906b8fccca040e25bfeff0a60d26bb7e6
sha512	3b381866fa5d4f97456db4f2b201ad8f4f79308d1a0d21801e6f3a1666b2289679ae709ba36bc4e9f44ed830e7cf197f985bd539923591e42251c5e0037dcc7c
ripemd-160	f55f87de5594d54a978a2b9de0e30ceb5900dbea

21085887 as geometric shapes

Circle

Radius = n

Diameter	42171774
Circumference	132486535.38725
Area	1.3967980570985E+15

Sphere

Radius = n

Volume	3.9270301325065E+22
Surface area	5.5871922283941E+15
Circumference	132486535.38725

Square

Length = n

Perimeter	84343548
Area	444614630576769
Diagonal	29819947.370067

Cube

Length = n

Surface area	2667687783460614
Volume	9.3750938588885E+21
Space diagonal	36521827.606656

Equilateral Triangle

Length = n

Perimeter	63257661
Area	1.9252378248686E+14
Altitude	18260913.803328

Triangular Pyramid

Length = n

Surface area	1.9252378248686E+14
Volume	1.1048654069801E+21
Height	9939982.4566888