21494857 (number)

21494857 is an odd 8-digits composite number following 21494856 and preceding 21494858. In scientific notation, it is written as 2.1494857 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 20355368 positive integers (up to 21494857) that are relatively prime to 21494857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494857 × 10^7
Engineering notation 2.1494857 × 10^6

Prime Factorization of 21494857

Prime Factorization 23 × 23 × 179 × 227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 934559
Product of the distinct prime numbers

The prime factorization of 21494857 is 23 × 23 × 179 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 39, 34, 259, 523, 1255, 9876, 49472, 93518, 343699, 863352, 3425101, 8240716, 51933161, 658521, 980111627, 174578631, 2534115700, 3067215475

Basic calculations (n = 21494857)

Multiplication

n×y
n×2 42989714
n×3 64484571
n×4 85979428
n×5 107474285

Division

n÷y
n÷2 10747428.5
n÷3 7164952.3333333
n÷3 5373714.25
n÷5 4298971.4

Exponentiation

ny
n2 462028877450449
n3 9.9312446506679E+21
n4 2.1347068359812E+29
n5 4.5885218176339E+36

Nth Root

y√n
2√n 4636.2546306259
3√n 278.04271465527
4√n 68.09004795582
5√n 29.27297838375

Divisors of 21494857

1, 23, 179, 227, 529, 4117, 5221, 40633, 94691, 120083, 934559, 21494857

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494856
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494857 can be divided by 12 positive divisors. The sum of these divisors (counting 21494857) is 1, the average is 0.083333333333333.

Base conversion 21494857

Base System Value
2 Binary 1010001111111110001001001
3 Ternary 1111110001101211
4 Quaternary 1101333301021
5 Quinary 21000313412
6 Senary 2044413121
8 Octal 121776111
10 Decimal 21494857
12 Duodecimal 72471a1
16 Hexadecimal 147fc49
20 Vigesimal 6e6h2h
36 Base36 cspjd

Cryptographic Hash Functions

md5 f98a87b5917e5c3976890152ae234f12
sha1 a3dc3798f0ed71de6947970e843d43d0cde3a531
sha256 435fde8677ca73127e9c369d5ebbb5d74277e09fa353054d42a698e2fa3765d2
sha512 378cecfae8d932bd45271c68cc88c5b9ad20ca6e207d4b67a8d53ab5a5f147594936c02a3e336750a882f0317eefb085487c5fb0022ee412750fdba876a906a9
ripemd-160 0d9b1d765b08d7ce02009836efbea036c8b2f10f

21494857 as geometric shapes

Circle

Radius = n
Diameter 42989714
Circumference 135056169.68233
Area 1.4515065271447E+15

Sphere

Radius = n
Volume 4.1599900314055E+22
Surface area 5.8060261085787E+15
Circumference 135056169.68233

Square

Length = n
Perimeter 85979428
Area 462028877450449
Diagonal 30398318.29067

Cube

Length = n
Surface area 2772173264702694
Volume 9.9312446506679E+21
Space diagonal 37230184.425428

Equilateral Triangle

Length = n
Perimeter 64484571
Area 2.0006437257705E+14
Altitude 18615092.212714

Triangular Pyramid

Length = n
Surface area 2.0006437257705E+14
Volume 1.1704084063517E+21
Height 10132772.763557