21131478 (number)

21131478 is an even 8-digits composite number following 21131477 and preceding 21131479. In scientific notation, it is written as 2.1131478 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6995664 positive integers (up to 21131478) that are relatively prime to 21131478.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand four hundred seventy-eight

Notation

Scientific notation 2.1131478 × 10^7
Engineering notation 2.1131478 × 10^6

Prime Factorization of 21131478

Prime Factorization 2 × 3 × 3 × 149 × 7879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7043826
Product of the distinct prime numbers

The prime factorization of 21131478 is 2 × 3 × 3 × 149 × 7879. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 80, 51, 926, 983, 9156, 8177, 14744, 46369, 682123, 711844, 3686704, 9073008, 93864482, 50216533, 878018947, 123345550, 309964526, 4927415450

Basic calculations (n = 21131478)

Multiplication

n×y
n×2 42262956
n×3 63394434
n×4 84525912
n×5 105657390

Division

n÷y
n÷2 10565739
n÷3 7043826
n÷3 5282869.5
n÷5 4226295.6

Exponentiation

ny
n2 446539362464484
n3 9.4360367140523E+21
n4 1.9939740223019E+29
n5 4.2135618184844E+36

Nth Root

y√n
2√n 4596.8987371923
3√n 276.46699452452
4√n 67.800433163751
5√n 29.173327994961

Divisors of 21131478

1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7879, 15758, 23637, 47274, 70911, 141822, 1173971, 2347942, 3521913, 7043826, 10565739, 21131478

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131477
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131478 can be divided by 24 positive divisors. The sum of these divisors (counting 21131478) is 1, the average is 0.041666666666667.

Base conversion 21131478

Base System Value
2 Binary 1010000100111000011010110
3 Ternary 1110202120221100
4 Quaternary 1100213003112
5 Quinary 20402201403
6 Senary 2032530530
8 Octal 120470326
10 Decimal 21131478
12 Duodecimal 70b0a46
16 Hexadecimal 14270d6
20 Vigesimal 6c18di
36 Base36 ckx5i

Cryptographic Hash Functions

md5 5beb1d68ae1cbde927471d28c6148b4c
sha1 3c655122f40b7927a8c7b5c86882d1c1d0bd64da
sha256 d0d04c520049e2c9112028d24cb1955a39c8c92dc03e0351819f6f148e6ee0a5
sha512 24276671903c79f30c377f544862e418a5c4f28c4cd6578d2c65056c3f8285c2fb288298e20be49c53480f0c5a48968ba87771349f263e003cb5c7f50abf6ddf
ripemd-160 3e062cdb541659f53e37d00383af97bc8795458b

21131478 as geometric shapes

Circle

Radius = n
Diameter 42262956
Circumference 132772992.08859
Area 1.4028447806571E+15

Sphere

Radius = n
Volume 3.9525578159827E+22
Surface area 5.6113791226284E+15
Circumference 132772992.08859

Square

Length = n
Perimeter 84525912
Area 446539362464484
Diagonal 29884422.780589

Cube

Length = n
Surface area 2679236174786904
Volume 9.4360367140523E+21
Space diagonal 36600793.535024

Equilateral Triangle

Length = n
Perimeter 63394434
Area 1.9335721584198E+14
Altitude 18300396.767512

Triangular Pyramid

Length = n
Surface area 1.9335721584198E+14
Volume 1.1120475913386E+21
Height 9961474.2601962