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

21077891 (number)

21077891 is an odd 8-digits prime number following 21077890 and preceding 21077892. In scientific notation, it is written as 2.1077891 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21077890 positive integers (up to 21077891) that are relatively prime to 21077891.

Interesting facts

21077891 has 2 divisors, whose sum is 21077892
The reverse of 21077891 is 19877012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million seventy-seven thousand eight hundred ninety-one

Notation

Scientific notation	2.1077891 × 10^7
Engineering notation	2.1077891 × 10^6

Prime Factorization of 21077891

Prime Factorization 21077891

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21077891	Product of the distinct prime numbers

The prime factorization of 21077891 is 21077891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 2, 19, 3, 372, 64, 9701, 9223, 4224, 77184, 612065, 37526, 1682936, 1616151, 23981949, 97777167, 624947584, 659864033, 7393270499, 8109022948

Basic calculations (n = 21077891)

Multiplication

n×y

n×2	42155782
n×3	63233673
n×4	84311564
n×5	105389455

Division

n÷y

n÷2	10538945.5
n÷3	7025963.6666667
n÷3	5269472.75
n÷5	4215578.2

Exponentiation

n^y

n²	444277489007881
n³	9.3644324870618E+21
n⁴	1.9738248723915E+29
n⁵	4.1604065513356E+36

Nth Root

^y√n

²√n	4591.0664338474
³√n	276.23310052705
⁴√n	67.757408700801
⁵√n	29.15851692216

Divisors of 21077891

1, 21077891

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21077892	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10538946	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4591.0665427545	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999051139	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21077891 can be divided by 2 positive divisors. The sum of these divisors (counting 21077891) is 21077892, the average is 10538946.

Base conversion 21077891

Base	System	Value
2	Binary	1010000011001111110000011
3	Ternary	1110122212102122
4	Quaternary	1100121332003
5	Quinary	20343443031
6	Senary	2031434455
8	Octal	120317603
10	Decimal	21077891
12	Duodecimal	7085a2b
16	Hexadecimal	1419f83
20	Vigesimal	6beeeb
36	Base36	cjrsz

Cryptographic Hash Functions

md5	303e0fa0ac4eac04a392493fc16c460f
sha1	6ca5ab87f60a250941d2f12f4155b2f9ddaa184f
sha256	f8025982bea08887dbe41fe15ff27d2f56fa22e1af30b9930ac6ae579cce5c4d
sha512	25cbeff0df8a153abbd516d4fd7ad8b589110e42ef84806e9f7b71eac036132f1f49affda72e3dc167cb4c478967f27acbfd754be1c55b3d07d8c78a8048910f
ripemd-160	abb28f159dd69237692151e91859a78f12a3a836

21077891 as geometric shapes

Circle

Radius = n

Diameter	42155782
Circumference	132436295.03753
Area	1.3957388956225E+15

Sphere

Radius = n

Volume	3.9225643075188E+22
Surface area	5.5829555824899E+15
Circumference	132436295.03753

Square

Length = n

Perimeter	84311564
Area	444277489007881
Diagonal	29808639.318422

Cube

Length = n

Surface area	2665664934047286
Volume	9.3644324870618E+21
Space diagonal	36507978.128399

Equilateral Triangle

Length = n

Perimeter	63233673
Area	1.9237779590519E+14
Altitude	18253989.064199

Triangular Pyramid

Length = n

Surface area	1.9237779590519E+14
Volume	1.1036089522608E+21
Height	9936213.1061406