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

21491131 (number)

21491131 is an odd 8-digits composite number following 21491130 and preceding 21491132. In scientific notation, it is written as 2.1491131 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 20372352 positive integers (up to 21491131) that are relatively prime to 21491131.

Interesting facts

21491131 has 8 divisors, whose sum is 22626720
The reverse of 21491131 is 13119412
Previous prime number is 113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-one million four hundred ninety-one thousand one hundred thirty-one

Notation

Scientific notation	2.1491131 × 10^7
Engineering notation	2.1491131 × 10^6

Prime Factorization of 21491131

Prime Factorization 23 × 113 × 8269

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491131	Product of the distinct prime numbers

The prime factorization of 21491131 is 23 × 113 × 8269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 52, 22, 327, 292, 4681, 3628, 99664, 44490, 836083, 704534, 8667557, 5648286, 71787754, 44483917, 952716679, 968393725, 5801079937, 4170366706

Basic calculations (n = 21491131)

Multiplication

n×y

n×2	42982262
n×3	64473393
n×4	85964524
n×5	107455655

Division

n÷y

n÷2	10745565.5
n÷3	7163710.3333333
n÷3	5372782.75
n÷5	4298226.2

Exponentiation

n^y

n²	461868711659161
n³	9.9260809870683E+21
n⁴	2.1332270680969E+29
n⁵	4.5845462373217E+36

Nth Root

^y√n

²√n	4635.8527802336
³√n	278.02664806748
⁴√n	68.08709701723
⁵√n	29.271963455565

Divisors of 21491131

1, 23, 113, 2599, 8269, 190187, 934397, 21491131

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	-21491130	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 21491131 can be divided by 8 positive divisors. The sum of these divisors (counting 21491131) is 1, the average is 0.125.

Base conversion 21491131

Base	System	Value
2	Binary	1010001111110110110111011
3	Ternary	1111102212021211
4	Quaternary	1101332312323
5	Quinary	21000204011
6	Senary	2044343551
8	Octal	121766673
10	Decimal	21491131
12	Duodecimal	7244bb7
16	Hexadecimal	147edbb
20	Vigesimal	6e67gb
36	Base36	csmnv

Cryptographic Hash Functions

md5	cf9c3d6bdb94ce54575f23212f531cd7
sha1	f5e0d4cf458272dcad534897dca4e22590f025ae
sha256	c18b9da7269632b126d52083eb2a986a327fc618c5624f653eb43c0dbb699faa
sha512	b5ba051594786ca60ef6c92ec99f89cd066dd626d8eabc487316bd63dcc81bc6073e562563a720be934ea25e8747d375572e4be37a575caef96a364e39267125
ripemd-160	f1d48d0e3dddb1396f0145edc97313da4fe5c255

21491131 as geometric shapes

Circle

Radius = n

Diameter	42982262
Circumference	135032758.53387
Area	1.4510033514714E+15

Sphere

Radius = n

Volume	4.1578270810548E+22
Surface area	5.8040134058856E+15
Circumference	135032758.53387

Square

Length = n

Perimeter	85964524
Area	461868711659161
Diagonal	30393048.930937

Cube

Length = n

Surface area	2771212269954966
Volume	9.9260809870683E+21
Space diagonal	37223730.804119

Equilateral Triangle

Length = n

Perimeter	64473393
Area	1.9999501875501E+14
Altitude	18611865.402059

Triangular Pyramid

Length = n

Surface area	1.9999501875501E+14
Volume	1.1697998627605E+21
Height	10131016.310312