21086874 (number)

21086874 is an even 8-digits composite number following 21086873 and preceding 21086875. In scientific notation, it is written as 2.1086874 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6857280 positive integers (up to 21086874) that are relatively prime to 21086874.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand eight hundred seventy-four

Notation

Scientific notation 2.1086874 × 10^7
Engineering notation 2.1086874 × 10^6

Prime Factorization of 21086874

Prime Factorization 2 × 9 × 41 × 28573

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086874
Product of the distinct prime numbers

The prime factorization of 21086874 is 2 × 9 × 41 × 28573. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 38, 69, 321, 757, 9790, 7585, 42174, 21911, 390141, 573872, 2943550, 1255428, 53177294, 55536899, 74047886, 965732408, 8910608326, 2675890808

Basic calculations (n = 21086874)

Multiplication

n×y
n×2 42173748
n×3 63260622
n×4 84347496
n×5 105434370

Division

n÷y
n÷2 10543437
n÷3 7028958
n÷3 5271718.5
n÷5 4217374.8

Exponentiation

ny
n2 444656255091876
n3 9.3764104244342E+21
n4 1.9771918519233E+29
n5 4.1692795455334E+36

Nth Root

y√n
2√n 4592.0446426401
3√n 276.27233673458
4√n 67.764626780055
5√n 29.161001860685

Divisors of 21086874

1, 2, 9, 18, 41, 82, 369, 738, 28573, 57146, 257157, 514314, 1171493, 2342986, 10543437, 21086874

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 -21086873
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 21086874 can be divided by 16 positive divisors. The sum of these divisors (counting 21086874) is 1, the average is 0.0625.

Base conversion 21086874

Base System Value
2 Binary 1010000011100001010011010
3 Ternary 1110200022202100
4 Quaternary 1100130022122
5 Quinary 20344234444
6 Senary 2031544230
8 Octal 120341232
10 Decimal 21086874
12 Duodecimal 708b076
16 Hexadecimal 141c29a
20 Vigesimal 6bfh3e
36 Base36 cjyqi

Cryptographic Hash Functions

md5 b180e733e47631093797cf7b873bac23
sha1 16d4952372323145978c27ab775e3ee004cda108
sha256 5123d37e8b82ead79e515296458893ac34b2afb62ac5205413d2707408d6db72
sha512 ac1d654feb6923478d09ec65feed9fa9b9b257eb30b36036b6f125e77e2d6adeb13526cebe81a6ab6b5cb612366f993c35dc419a6fdd492cfed5bd594833212a
ripemd-160 a2f7bb18e76929fcda0be490a5a4a15cc319a0df

21086874 as geometric shapes

Circle

Radius = n
Diameter 42173748
Circumference 132492736.89115
Area 1.3969288243694E+15

Sphere

Radius = n
Volume 3.9275816141927E+22
Surface area 5.5877152974775E+15
Circumference 132492736.89115

Square

Length = n
Perimeter 84347496
Area 444656255091876
Diagonal 29821343.198853

Cube

Length = n
Surface area 2667937530551256
Volume 9.3764104244342E+21
Space diagonal 36523537.140803

Equilateral Triangle

Length = n
Perimeter 63260622
Area 1.9254180643061E+14
Altitude 18261768.570402

Triangular Pyramid

Length = n
Surface area 1.9254180643061E+14
Volume 1.1050205657176E+21
Height 9940447.7329509