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

21491697 (number)

21491697 is an odd 8-digits composite number following 21491696 and preceding 21491698. In scientific notation, it is written as 2.1491697 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13833680 positive integers (up to 21491697) that are relatively prime to 21491697.

Interesting facts

21491697 has 8 divisors, whose sum is 29643840
The reverse of 21491697 is 79619412
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.1491697 × 10^7
Engineering notation	2.1491697 × 10^6

Prime Factorization of 21491697

Prime Factorization 3 × 29 × 247031

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491697	Product of the distinct prime numbers

The prime factorization of 21491697 is 3 × 29 × 247031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 12, 30, 522, 128, 6362, 6920, 49877, 69250, 524237, 77129, 4836537, 2159427, 81809252, 91114776, 581042019, 733631687, 2949191409, 9295949308

Basic calculations (n = 21491697)

Multiplication

n×y

n×2	42983394
n×3	64475091
n×4	85966788
n×5	107458485

Division

n÷y

n÷2	10745848.5
n÷3	7163899
n÷3	5372924.25
n÷5	4298339.4

Exponentiation

n^y

n²	461893039939809
n³	9.9268652607953E+21
n⁴	2.1334518034484E+29
n⁵	4.5851499723816E+36

Nth Root

^y√n

²√n	4635.9138257737
³√n	278.02908879061
⁴√n	68.087545305832
⁵√n	29.272117637835

Divisors of 21491697

1, 3, 29, 87, 247031, 741093, 7163899, 21491697

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	-21491696	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 21491697 can be divided by 8 positive divisors. The sum of these divisors (counting 21491697) is 1, the average is 0.125.

Base conversion 21491697

Base	System	Value
2	Binary	1010001111110111111110001
3	Ternary	1111102220001210
4	Quaternary	1101332333301
5	Quinary	21000213242
6	Senary	2044350333
8	Octal	121767761
10	Decimal	21491697
12	Duodecimal	72453a9
16	Hexadecimal	147eff1
20	Vigesimal	6e694h
36	Base36	csn3l

Cryptographic Hash Functions

md5	367087528b60be2a19275f9660007ff9
sha1	495142d624034672fcea1491eb4538447ec78070
sha256	865a24b9f5e43234825f0b2ea252eedb79f6addd7ecc9613335e21f47650a891
sha512	78e5e0320728ca53fafe46904e189715daceb17805331f56ed349fe5b7883b31fcc7864c3e4b41b169795b3cd29dfa5603fd3e35f66949a3f8789877c960faa2
ripemd-160	6fe6bc7bd092b10b5addade2944efb1201ed0e3f

21491697 as geometric shapes

Circle

Radius = n

Diameter	42983394
Circumference	135036314.81676
Area	1.4510797810192E+15

Sphere

Radius = n

Volume	4.1581555968654E+22
Surface area	5.8043191240766E+15
Circumference	135036314.81676

Square

Length = n

Perimeter	85966788
Area	461893039939809
Diagonal	30393849.375813

Cube

Length = n

Surface area	2771358239638854
Volume	9.9268652607953E+21
Space diagonal	37224711.144876

Equilateral Triangle

Length = n

Perimeter	64475091
Area	2.0000555320955E+14
Altitude	18612355.572438

Triangular Pyramid

Length = n

Surface area	2.0000555320955E+14
Volume	1.1698922903056E+21
Height	10131283.125271