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

21491497 (number)

21491497 is an odd 8-digits composite number following 21491496 and preceding 21491498. In scientific notation, it is written as 2.1491497 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 21473536 positive integers (up to 21491497) that are relatively prime to 21491497.

Interesting facts

21491497 has 4 divisors, whose sum is 21509460
The reverse of 21491497 is 79419412
Previous prime number is 1289

Basic properties

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

Name

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

Notation

Scientific notation	2.1491497 × 10^7
Engineering notation	2.1491497 × 10^6

Prime Factorization of 21491497

Prime Factorization 1289 × 16673

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491497	Product of the distinct prime numbers

The prime factorization of 21491497 is 1289 × 16673. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 6, 100, 655, 654, 3755, 9355, 99252, 5496, 948401, 659001, 986420, 3872221, 62027554, 94907784, 679616819, 422897450, 3162806024, 546045045

Basic calculations (n = 21491497)

Multiplication

n×y

n×2	42982994
n×3	64474491
n×4	85965988
n×5	107457485

Division

n÷y

n÷2	10745748.5
n÷3	7163832.3333333
n÷3	5372874.25
n÷5	4298299.4

Exponentiation

n^y

n²	461884443301009
n³	9.9265881275503E+21
n⁴	2.1333723896348E+29
n⁵	4.584936631172E+36

Nth Root

^y√n

²√n	4635.8922550033
³√n	278.02822634917
⁴√n	68.087386900977
⁵√n	29.272063156838

Divisors of 21491497

1, 1289, 16673, 21491497

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	-21491496	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 21491497 can be divided by 4 positive divisors. The sum of these divisors (counting 21491497) is 1, the average is 0.25.

Base conversion 21491497

Base	System	Value
2	Binary	1010001111110111100101001
3	Ternary	1111102212210101
4	Quaternary	1101332330221
5	Quinary	21000211442
6	Senary	2044345401
8	Octal	121767451
10	Decimal	21491497
12	Duodecimal	7245261
16	Hexadecimal	147ef29
20	Vigesimal	6e68eh
36	Base36	csmy1

Cryptographic Hash Functions

md5	4c0e28e6f842240323812d05ceebed90
sha1	398fca6512471742cd683e713944b1ccc03398d2
sha256	17d2bb380080d38dac4c702f9255df445723ef4f525259d3aaafcd59cd3022ad
sha512	a72efff4be9b2247fee4502736be14ccbd26428c2391b3d82d5d5d476796390379ce95e4d6ad3d9949918287765d0c198acf7831d11410dd2772870835397495
ripemd-160	003a90a056f0331fe21cb63026556a988ba3699f

21491497 as geometric shapes

Circle

Radius = n

Diameter	42982994
Circumference	135035058.17969
Area	1.4510527738819E+15

Sphere

Radius = n

Volume	4.1580395115632E+22
Surface area	5.8042110955274E+15
Circumference	135035058.17969

Square

Length = n

Perimeter	85965988
Area	461884443301009
Diagonal	30393566.533101

Cube

Length = n

Surface area	2771306659806054
Volume	9.9265881275503E+21
Space diagonal	37224364.734714

Equilateral Triangle

Length = n

Perimeter	64474491
Area	2.0000183075575E+14
Altitude	18612182.367357

Triangular Pyramid

Length = n

Surface area	2.0000183075575E+14
Volume	1.1698596298394E+21
Height	10131188.844367