21494847 (number)

21494847 is an odd 8-digits composite number following 21494846 and preceding 21494848. In scientific notation, it is written as 2.1494847 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12994080 positive integers (up to 21494847) that are relatively prime to 21494847.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494847 × 10^7
Engineering notation 2.1494847 × 10^6

Prime Factorization of 21494847

Prime Factorization 3 × 643 × 11 × 1013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494847
Product of the distinct prime numbers

The prime factorization of 21494847 is 3 × 643 × 11 × 1013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 44, 60, 349, 705, 8499, 3277, 91725, 53628, 240935, 751662, 5440376, 5977630, 98861609, 26000235, 446075075, 850226485, 6410579217, 8435901932

Basic calculations (n = 21494847)

Multiplication

n×y
n×2 42989694
n×3 64484541
n×4 85979388
n×5 107474235

Division

n÷y
n÷2 10747423.5
n÷3 7164949
n÷3 5373711.75
n÷5 4298969.4

Exponentiation

ny
n2 462028447553409
n3 9.9312307898081E+21
n4 2.1347028634861E+29
n5 4.5885111441096E+36

Nth Root

y√n
2√n 4636.253552169
3√n 278.04267153755
4√n 68.090040036477
5√n 29.27297566003

Divisors of 21494847

1, 3, 11, 33, 643, 1013, 1929, 3039, 7073, 11143, 21219, 33429, 651359, 1954077, 7164949, 21494847

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494846
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494847 can be divided by 16 positive divisors. The sum of these divisors (counting 21494847) is 1, the average is 0.0625.

Base conversion 21494847

Base System Value
2 Binary 1010001111111110000111111
3 Ternary 1111110001101110
4 Quaternary 1101333300333
5 Quinary 21000313342
6 Senary 2044413103
8 Octal 121776077
10 Decimal 21494847
12 Duodecimal 7247193
16 Hexadecimal 147fc3f
20 Vigesimal 6e6h27
36 Base36 cspj3

Cryptographic Hash Functions

md5 791bb6aca2d26df3cc9d33c8ef98dc6d
sha1 d5241c39a93d78d828e38963f3cbee2e01658f78
sha256 b28ab28f764ece323a17676dfc6831bc711d6c739097d28410f655a9426d8aad
sha512 758e5159eb5c45a9360e090cb6aa3e01ba1714e9174fa3fb01c9f31330c3d81a3ac6db7a82949f325a9fadba5136efb5ca9091c44f740ebea91732b75bd04756
ripemd-160 07d851a9e000524fd38032a238409a29c0cb051a

21494847 as geometric shapes

Circle

Radius = n
Diameter 42989694
Circumference 135056106.85047
Area 1.4515051765833E+15

Sphere

Radius = n
Volume 4.1599842253821E+22
Surface area 5.8060207063331E+15
Circumference 135056106.85047

Square

Length = n
Perimeter 85979388
Area 462028447553409
Diagonal 30398304.148535

Cube

Length = n
Surface area 2772170685320454
Volume 9.9312307898081E+21
Space diagonal 37230167.104919

Equilateral Triangle

Length = n
Perimeter 64484541
Area 2.0006418642617E+14
Altitude 18615083.55246

Triangular Pyramid

Length = n
Surface area 2.0006418642617E+14
Volume 1.1704067728337E+21
Height 10132768.049512