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

21492991 (number)

21492991 is an odd 8-digits composite number following 21492990 and preceding 21492992. In scientific notation, it is written as 2.1492991 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19377792 positive integers (up to 21492991) that are relatively prime to 21492991.

Interesting facts

21492991 has 8 divisors, whose sum is 23685200
The reverse of 21492991 is 19929412
Previous prime number is 43

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-two thousand nine hundred ninety-one

Notation

Scientific notation	2.1492991 × 10^7
Engineering notation	2.1492991 × 10^6

Prime Factorization of 21492991

Prime Factorization 13 × 43 × 38449

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492991	Product of the distinct prime numbers

The prime factorization of 21492991 is 13 × 43 × 38449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 76, 1, 890, 585, 7692, 8327, 27789, 14762, 190164, 513934, 7166569, 7236505, 17311600, 81164588, 590768254, 178134657, 5737099590, 4959341515

Basic calculations (n = 21492991)

Multiplication

n×y

n×2	42985982
n×3	64478973
n×4	85971964
n×5	107464955

Division

n÷y

n÷2	10746495.5
n÷3	7164330.3333333
n÷3	5373247.75
n÷5	4298598.2

Exponentiation

n^y

n²	461948662126081
n³	9.9286584375379E+21
n⁴	2.1339656644008E+29
n⁵	4.5865304819275E+36

Nth Root

^y√n

²√n	4636.0533862327
³√n	278.03466865742
⁴√n	68.088570158528
⁵√n	29.272470120079

Divisors of 21492991

1, 13, 43, 559, 38449, 499837, 1653307, 21492991

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	-21492990	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 21492991 can be divided by 8 positive divisors. The sum of these divisors (counting 21492991) is 1, the average is 0.125.

Base conversion 21492991

Base	System	Value
2	Binary	1010001111111010011111111
3	Ternary	1111102221211201
4	Quaternary	1101333103333
5	Quinary	21000233431
6	Senary	2044400331
8	Octal	121772377
10	Decimal	21492991
12	Duodecimal	72460a7
16	Hexadecimal	147f4ff
20	Vigesimal	6e6c9b
36	Base36	cso3j

Cryptographic Hash Functions

md5	c3fa89873d0d0d32a3ff9ed7dd1a0faf
sha1	549ff232eb028c4fae9d7f615a0ebd3000690b76
sha256	aabdb324db17a87ebf2a2f85a6f90257d6cab321dca59fa6bd950d31bed65ed7
sha512	ee40200c717dff4c21a206f8b4e5040d0b1edb748b1d25590681cce9a13c3d7b726706478ff74f194586d59834929388a8f52c2f3abfc0b84ec7d3f9325389ea
ripemd-160	199be853f54fbce181a676a1d3a465d2ecc825bb

21492991 as geometric shapes

Circle

Radius = n

Diameter	42985982
Circumference	135044445.25854
Area	1.4512545232709E+15

Sphere

Radius = n

Volume	4.1589067209829E+22
Surface area	5.8050180930837E+15
Circumference	135044445.25854

Square

Length = n

Perimeter	85971964
Area	461948662126081
Diagonal	30395679.368163

Cube

Length = n

Surface area	2771691972756486
Volume	9.9286584375379E+21
Space diagonal	37226952.418621

Equilateral Triangle

Length = n

Perimeter	64478973
Area	2.0002963832271E+14
Altitude	18613476.20931

Triangular Pyramid

Length = n

Surface area	2.0002963832271E+14
Volume	1.1701036182113E+21
Height	10131893.122721