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

21491347 (number)

21491347 is an odd 8-digits composite number following 21491346 and preceding 21491348. In scientific notation, it is written as 2.1491347 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21477736 positive integers (up to 21491347) that are relatively prime to 21491347.

Interesting facts

21491347 has 4 divisors, whose sum is 21504960
The reverse of 21491347 is 74319412
Previous prime number is 11789

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety-one thousand three hundred forty-seven

Notation

Scientific notation	2.1491347 × 10^7
Engineering notation	2.1491347 × 10^6

Prime Factorization of 21491347

Prime Factorization 11789 × 1823

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491347	Product of the distinct prime numbers

The prime factorization of 21491347 is 11789 × 1823. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 31, 77, 829, 976, 5500, 2071, 60242, 44637, 509911, 352004, 3891073, 8055807, 35808635, 17338362, 167690750, 192685846, 1194666108, 8352519240

Basic calculations (n = 21491347)

Multiplication

n×y

n×2	42982694
n×3	64474041
n×4	85965388
n×5	107456735

Division

n÷y

n÷2	10745673.5
n÷3	7163782.3333333
n÷3	5372836.75
n÷5	4298269.4

Exponentiation

n^y

n²	461877995874409
n³	9.9263802810015E+21
n⁴	2.1333128307296E+29
n⁵	4.5847766304762E+36

Nth Root

^y√n

²√n	4635.8760768597
³√n	278.02757951458
⁴√n	68.08726809661
⁵√n	29.272022295825

Divisors of 21491347

1, 1823, 11789, 21491347

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	-21491346	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 21491347 can be divided by 4 positive divisors. The sum of these divisors (counting 21491347) is 1, the average is 0.25.

Base conversion 21491347

Base	System	Value
2	Binary	1010001111110111010010011
3	Ternary	1111102212120211
4	Quaternary	1101332322103
5	Quinary	21000210342
6	Senary	2044344551
8	Octal	121767223
10	Decimal	21491347
12	Duodecimal	7245157
16	Hexadecimal	147ee93
20	Vigesimal	6e6877
36	Base36	csmtv

Cryptographic Hash Functions

md5	5d02a3439eef566c3769877785d3f258
sha1	ab063a973ee26a6cd8ac66964e544f5ae00edc52
sha256	b8f7206abe17261986dc4b31381abb2193ccbae9ca010307bb6910877b20083b
sha512	25ae7763ea9dc7a232046701149e9f95ecea0a4e777b95acc8b385356dbbfd8f412a33e205507ca5494d8629ae2a90321822fb3a6a4b864133d3d97eb928e78f
ripemd-160	d11847493b621c3bed9791330fff702b6198f71f

21491347 as geometric shapes

Circle

Radius = n

Diameter	42982694
Circumference	135034115.7019
Area	1.4510325186938E+15

Sphere

Radius = n

Volume	4.1579524490044E+22
Surface area	5.8041300747753E+15
Circumference	135034115.7019

Square

Length = n

Perimeter	85965388
Area	461877995874409
Diagonal	30393354.401066

Cube

Length = n

Surface area	2771267975246454
Volume	9.9263802810015E+21
Space diagonal	37224104.927093

Equilateral Triangle

Length = n

Perimeter	64474041
Area	1.9999903893814E+14
Altitude	18612052.463546

Triangular Pyramid

Length = n

Surface area	1.9999903893814E+14
Volume	1.1698351348888E+21
Height	10131118.133689