21081874 (number)

21081874 is an even 8-digits composite number following 21081873 and preceding 21081875. In scientific notation, it is written as 2.1081874 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9562000 positive integers (up to 21081874) that are relatively prime to 21081874.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081874 × 10^7
Engineering notation 2.1081874 × 10^6

Prime Factorization of 21081874

Prime Factorization 2 × 11 × 1367 × 701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21081874
Product of the distinct prime numbers

The prime factorization of 21081874 is 2 × 11 × 1367 × 701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 55, 90, 626, 978, 527, 3222, 64510, 60018, 519992, 38866, 3880882, 4549628, 317431, 33459231, 451917585, 609138141, 6087019991, 5633514893

Basic calculations (n = 21081874)

Multiplication

n×y
n×2 42163748
n×3 63245622
n×4 84327496
n×5 105409370

Division

n÷y
n÷2 10540937
n÷3 7027291.3333333
n÷3 5270468.5
n÷5 4216374.8

Exponentiation

ny
n2 444445411351876
n3 9.3697421619984E+21
n4 1.9753172367174E+29
n5 4.1643389094504E+36

Nth Root

y√n
2√n 4591.5001905695
3√n 276.25049896513
4√n 67.760609431804
5√n 29.159618831221

Divisors of 21081874

1, 2, 11, 22, 701, 1367, 1402, 2734, 7711, 15037, 15422, 30074, 958267, 1916534, 10540937, 21081874

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 -21081873
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 21081874 can be divided by 16 positive divisors. The sum of these divisors (counting 21081874) is 1, the average is 0.0625.

Base conversion 21081874

Base System Value
2 Binary 1010000011010111100010010
3 Ternary 1110200001220011
4 Quaternary 1100122330102
5 Quinary 20344104444
6 Senary 2031505134
8 Octal 120327422
10 Decimal 21081874
12 Duodecimal 70881aa
16 Hexadecimal 141af12
20 Vigesimal 6bf4de
36 Base36 cjuvm

Cryptographic Hash Functions

md5 03ba01c56a751068edb9a2da8d7775e4
sha1 e51d6030bbd5106813cf802301d3884d77be995f
sha256 5874544437f3c553e36d9e4aa2f539279024f90aefc1837c3f5a4dd4b23f0e47
sha512 e7741076bb51867f974b3313624f0ed86bbb3d62750dfc0ffc5d0562a3e2f0e92033dfe48bca0f274037b200377a93a13dc58ef46fdb241ac28d138d15b15e3f
ripemd-160 c5b3cf88aa444b92f8e211342b9ce61cfcf43082

21081874 as geometric shapes

Circle

Radius = n
Diameter 42163748
Circumference 132461320.96461
Area 1.3962664392247E+15

Sphere

Radius = n
Volume 3.9247884189553E+22
Surface area 5.585065756899E+15
Circumference 132461320.96461

Square

Length = n
Perimeter 84327496
Area 444445411351876
Diagonal 29814272.131041

Cube

Length = n
Surface area 2666672468111256
Volume 9.3697421619984E+21
Space diagonal 36514876.886765

Equilateral Triangle

Length = n
Perimeter 63245622
Area 1.9245050841307E+14
Altitude 18257438.443383

Triangular Pyramid

Length = n
Surface area 1.9245050841307E+14
Volume 1.1042347034531E+21
Height 9938090.7103469