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

21491927 (number)

21491927 is an odd 8-digits composite number following 21491926 and preceding 21491928. In scientific notation, it is written as 2.1491927 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20227680 positive integers (up to 21491927) that are relatively prime to 21491927.

Interesting facts

21491927 has 4 divisors, whose sum is 22756176
The reverse of 21491927 is 72919412
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million four hundred ninety-one thousand nine hundred twenty-seven

Notation

Scientific notation	2.1491927 × 10^7
Engineering notation	2.1491927 × 10^6

Prime Factorization of 21491927

Prime Factorization 17 × 1264231

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491927	Product of the distinct prime numbers

The prime factorization of 21491927 is 17 × 1264231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 74, 61, 25, 115, 174, 4172, 40937, 93898, 981224, 83517, 1840539, 7823833, 27398867, 31252125, 84558934, 59929334, 6625899395, 1067017454

Basic calculations (n = 21491927)

Multiplication

n×y

n×2	42983854
n×3	64475781
n×4	85967708
n×5	107459635

Division

n÷y

n÷2	10745963.5
n÷3	7163975.6666667
n÷3	5372981.75
n÷5	4298385.4

Exponentiation

n^y

n²	461902926173329
n³	9.9271839704036E+21
n⁴	2.1335431320748E+29
n⁵	4.5853953245904E+36

Nth Root

^y√n

²√n	4635.9386320356
³√n	278.03008059165
⁴√n	68.087727470048
⁵√n	29.272180290479

Divisors of 21491927

1, 17, 1264231, 21491927

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491926	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491927 can be divided by 4 positive divisors. The sum of these divisors (counting 21491927) is 1, the average is 0.25.

Base conversion 21491927

Base	System	Value
2	Binary	1010001111111000011010111
3	Ternary	1111102220101022
4	Quaternary	1101333003113
5	Quinary	21000220202
6	Senary	2044351355
8	Octal	121770327
10	Decimal	21491927
12	Duodecimal	724555b
16	Hexadecimal	147f0d7
20	Vigesimal	6e69g7
36	Base36	csn9z

Cryptographic Hash Functions

md5	482ae55f395035863e5d426e0fcc0e40
sha1	b595ed477ec7d889d11afea3d8d42c1fc9dcf8f5
sha256	555b1c718f5c94cb837eed2da54f4c21a22ef3eab674f22148c2ca072714f304
sha512	032f2f2531320981f162378869063629c9b1a5e97080fa64a68121460f3d8c1f0d463742463c1e2705a836b865e4df758c957b3c73ee4eb679ad999a778525b1
ripemd-160	cd230ff86dee3b73afe0aa5a2d859e0d530e888e

21491927 as geometric shapes

Circle

Radius = n

Diameter	42983854
Circumference	135037759.94938
Area	1.4511108395378E+15

Sphere

Radius = n

Volume	4.1582890976339E+22
Surface area	5.804443358151E+15
Circumference	135037759.94938

Square

Length = n

Perimeter	85967708
Area	461902926173329
Diagonal	30394174.644933

Cube

Length = n

Surface area	2771417557039974
Volume	9.9271839704036E+21
Space diagonal	37225109.516561

Equilateral Triangle

Length = n

Perimeter	64475781
Area	2.0000983407424E+14
Altitude	18612554.758281

Triangular Pyramid

Length = n

Surface area	2.0000983407424E+14
Volume	1.1699298505931E+21
Height	10131391.548311