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

21494761 (number)

21494761 is an odd 8-digits composite number following 21494760 and preceding 21494762. In scientific notation, it is written as 2.1494761 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21285972 positive integers (up to 21494761) that are relatively prime to 21494761.

Interesting facts

21494761 has 4 divisors, whose sum is 21703552
The reverse of 21494761 is 16749412
Previous prime number is 103

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.1494761 × 10^7
Engineering notation	2.1494761 × 10^6

Prime Factorization of 21494761

Prime Factorization 103 × 208687

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21494761	Product of the distinct prime numbers

The prime factorization of 21494761 is 103 × 208687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 42, 41, 931, 354, 1830, 2945, 79641, 14201, 793609, 428745, 1463682, 4331714, 45023493, 80680475, 426055368, 995740662, 2392449379, 9681129398

Basic calculations (n = 21494761)

Multiplication

n×y

n×2	42989522
n×3	64484283
n×4	85979044
n×5	107473805

Division

n÷y

n÷2	10747380.5
n÷3	7164920.3333333
n÷3	5373690.25
n÷5	4298952.2

Exponentiation

n^y

n²	462024750447121
n³	9.9311115869455E+21
n⁴	2.1346687002572E+29
n⁵	4.588419352621E+36

Nth Root

^y√n

²√n	4636.2442774297
³√n	278.04230072462
⁴√n	68.089971930011
⁵√n	29.272952235998

Divisors of 21494761

1, 103, 208687, 21494761

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	-21494760	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 21494761 can be divided by 4 positive divisors. The sum of these divisors (counting 21494761) is 1, the average is 0.25.

Base conversion 21494761

Base	System	Value
2	Binary	1010001111111101111101001
3	Ternary	1111110001021021
4	Quaternary	1101333233221
5	Quinary	21000313021
6	Senary	2044412441
8	Octal	121775751
10	Decimal	21494761
12	Duodecimal	7247121
16	Hexadecimal	147fbe9
20	Vigesimal	6e6gi1
36	Base36	cspgp

Cryptographic Hash Functions

md5	8200b409156db85014b8befe62c2659f
sha1	ae8a8123a0efd0d532ddfb75571bb27264101a80
sha256	4bf057d44797f124de6082f068f60fe27a5d5009f0c939cfcdcac5aaed72c997
sha512	bfdb41d9f9fc52647bc6ff8999fe9a7a8ba94c982f867eeaf5a2da7353beab43e7aa24516c650287346a63a34fcb8fc6f357a7aa4dc80deedfa11bc1817b5050
ripemd-160	b18ea83e9eaa3b0b59d8889e032c5d459ce822b2

21494761 as geometric shapes

Circle

Radius = n

Diameter	42989522
Circumference	135055566.49654
Area	1.4514935617813E+15

Sphere

Radius = n

Volume	4.1599342938038E+22
Surface area	5.8059742471253E+15
Circumference	135055566.49654

Square

Length = n

Perimeter	85979044
Area	462024750447121
Diagonal	30398182.526168

Cube

Length = n

Surface area	2772148502682726
Volume	9.9311115869455E+21
Space diagonal	37230018.14855

Equilateral Triangle

Length = n

Perimeter	64484283
Area	2.0006258553219E+14
Altitude	18615009.074275

Triangular Pyramid

Length = n

Surface area	2.0006258553219E+14
Volume	1.1703927246416E+21
Height	10132727.508723