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

21491874 (number)

21491874 is an even 8-digits composite number following 21491873 and preceding 21491875. In scientific notation, it is written as 2.1491874 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 7163952 positive integers (up to 21491874) that are relatively prime to 21491874.

Interesting facts

21491874 has 8 divisors, whose sum is 35819820
The reverse of 21491874 is 47819412
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.1491874 × 10^7
Engineering notation	2.1491874 × 10^6

Prime Factorization of 21491874

Prime Factorization 2 × 9 × 1193993

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491874	Product of the distinct prime numbers

The prime factorization of 21491874 is 2 × 9 × 1193993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 15, 49, 524, 532, 650, 8807, 74677, 69209, 448049, 725687, 4664310, 5332159, 7387499, 9761323, 281896130, 896382466, 4701731657, 9087184477

Basic calculations (n = 21491874)

Multiplication

n×y

n×2	42983748
n×3	64475622
n×4	85967496
n×5	107459370

Division

n÷y

n÷2	10745937
n÷3	7163958
n÷3	5372968.5
n÷5	4298374.8

Exponentiation

n^y

n²	461900648031876
n³	9.9271105280194E+21
n⁴	2.1335220865227E+29
n⁵	4.5853387859762E+36

Nth Root

^y√n

²√n	4635.9329158218
³√n	278.02985204682
⁴√n	68.087685493206
⁵√n	29.272165853178

Divisors of 21491874

1, 2, 9, 18, 1193993, 2387986, 10745937, 21491874

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	-21491873	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 21491874 can be divided by 8 positive divisors. The sum of these divisors (counting 21491874) is 1, the average is 0.125.

Base conversion 21491874

Base	System	Value
2	Binary	1010001111111000010100010
3	Ternary	1111102220022100
4	Quaternary	1101333002202
5	Quinary	21000214444
6	Senary	2044351230
8	Octal	121770242
10	Decimal	21491874
12	Duodecimal	7245516
16	Hexadecimal	147f0a2
20	Vigesimal	6e69de
36	Base36	csn8i

Cryptographic Hash Functions

md5	de3e774d6a4d48f59d5f40fbee783817
sha1	78ee5e1c1231f36f64fb2d293454b50a9b690ba6
sha256	140fe7d1b73981f552e8a6a0f920970f3da7a1642678b6cec3eb5db0259396b9
sha512	5ed9fa4eacda33620d6ab9198deb7ff35b6a4e4f31c6e5a7b5afd048ec45c472e592bd4650613079ea3717d14cb55751f5608371196618bf4a5dbb10e64987cb
ripemd-160	9345b65864b8ea1de185206b01c49a70da361c7b

21491874 as geometric shapes

Circle

Radius = n

Diameter	42983748
Circumference	135037426.94055
Area	1.4511036825453E+15

Sphere

Radius = n

Volume	4.15825833416E+22
Surface area	5.8044147301812E+15
Circumference	135037426.94055

Square

Length = n

Perimeter	85967496
Area	461900648031876
Diagonal	30394099.691614

Cube

Length = n

Surface area	2771403888191256
Volume	9.9271105280194E+21
Space diagonal	37225017.717869

Equilateral Triangle

Length = n

Perimeter	64475622
Area	2.0000884761005E+14
Altitude	18612508.858934

Triangular Pyramid

Length = n

Surface area	2.0000884761005E+14
Volume	1.1699211953252E+21
Height	10131366.563871