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

21491884 (number)

21491884 is an even 8-digits composite number following 21491883 and preceding 21491885. In scientific notation, it is written as 2.1491884 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 10745940 positive integers (up to 21491884) that are relatively prime to 21491884.

Interesting facts

21491884 has 6 divisors, whose sum is 37610804
The reverse of 21491884 is 48819412
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million four hundred ninety-one thousand eight hundred eighty-four

Notation

Scientific notation	2.1491884 × 10^7
Engineering notation	2.1491884 × 10^6

Prime Factorization of 21491884

Prime Factorization 2 × 2 × 5372971

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10745942	Product of the distinct prime numbers

The prime factorization of 21491884 is 2 × 2 × 5372971. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 95, 71, 218, 634, 9228, 3024, 32346, 96413, 610087, 668730, 4174316, 5651405, 42401392, 59883319, 789932743, 129711870, 6828547578, 9036920657

Basic calculations (n = 21491884)

Multiplication

n×y

n×2	42983768
n×3	64475652
n×4	85967536
n×5	107459420

Division

n÷y

n÷2	10745942
n÷3	7163961.3333333
n÷3	5372971
n÷5	4298376.8

Exponentiation

n^y

n²	461901077869456
n³	9.9271243850453E+21
n⁴	2.1335260573697E+29
n⁵	4.5853494535966E+36

Nth Root

^y√n

²√n	4635.9339943532
³√n	278.02989516851
⁴√n	68.087693413371
⁵√n	29.272168577199

Divisors of 21491884

1, 2, 4, 5372971, 10745942, 21491884

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491883	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491884 can be divided by 6 positive divisors. The sum of these divisors (counting 21491884) is 1, the average is 0.16666666666667.

Base conversion 21491884

Base	System	Value
2	Binary	1010001111111000010101100
3	Ternary	1111102220022201
4	Quaternary	1101333002230
5	Quinary	21000220014
6	Senary	2044351244
8	Octal	121770254
10	Decimal	21491884
12	Duodecimal	7245524
16	Hexadecimal	147f0ac
20	Vigesimal	6e69e4
36	Base36	csn8s

Cryptographic Hash Functions

md5	327aef48a576594287fc988a6cdadb58
sha1	f7b64a183b3dba9a6c5ab420e40914ddd7c12bde
sha256	13e442956627fe56901c1163c20e13c79ea29df2209e1b2fd49cb45af6fc1abc
sha512	c7b6eb1949c65571d0de401229e7d8c554ddf92c718e781035108e7c51ed976833759cecdcac670504b221af0a8df79b27edf668b67d6b02d7825192622e70c8
ripemd-160	9097fc423c2daafd0612acd9e5475c7d3bfc87b1

21491884 as geometric shapes

Circle

Radius = n

Diameter	42983768
Circumference	135037489.77241
Area	1.4511050329199E+15

Sphere

Radius = n

Volume	4.1582641385774E+22
Surface area	5.8044201316796E+15
Circumference	135037489.77241

Square

Length = n

Perimeter	85967536
Area	461901077869456
Diagonal	30394113.833749

Cube

Length = n

Surface area	2771406467216736
Volume	9.9271243850453E+21
Space diagonal	37225035.038377

Equilateral Triangle

Length = n

Perimeter	64475652
Area	2.0000903373518E+14
Altitude	18612517.519188

Triangular Pyramid

Length = n

Surface area	2.0000903373518E+14
Volume	1.1699228283913E+21
Height	10131371.277916