18921874 (number)

18921874 is an even 8-digits composite number following 18921873 and preceding 18921875. In scientific notation, it is written as 1.8921874 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9158400 positive integers (up to 18921874) that are relatively prime to 18921874.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred twenty-one thousand eight hundred seventy-four

Notation

Scientific notation 1.8921874 × 10^7
Engineering notation 1.8921874 × 10^6

Prime Factorization of 18921874

Prime Factorization 2 × 37 × 1061 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18921874
Product of the distinct prime numbers

The prime factorization of 18921874 is 2 × 37 × 1061 × 241. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 95, 76, 601, 971, 7087, 8760, 89478, 33974, 232636, 82406, 5948767, 1734332, 76207956, 13905173, 792981847, 656209436, 3719206607, 2667449010

Basic calculations (n = 18921874)

Multiplication

n×y
n×2 37843748
n×3 56765622
n×4 75687496
n×5 94609370

Division

n÷y
n÷2 9460937
n÷3 6307291.3333333
n÷3 4730468.5
n÷5 3784374.8

Exponentiation

ny
n2 358037315671876
n3 6.7747369744415E+21
n4 1.2819071941352E+29
n5 2.425608640712E+36

Nth Root

y√n
2√n 4349.9280453819
3√n 266.47392287321
4√n 65.953984302557
5√n 28.535982450513

Divisors of 18921874

1, 2, 37, 74, 241, 482, 1061, 2122, 8917, 17834, 39257, 78514, 255701, 511402, 9460937, 18921874

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 -18921873
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 18921874 can be divided by 16 positive divisors. The sum of these divisors (counting 18921874) is 1, the average is 0.0625.

Base conversion 18921874

Base System Value
2 Binary 1001000001011100110010010
3 Ternary 1022121022221011
4 Quaternary 1020023212102
5 Quinary 14320444444
6 Senary 1513321134
8 Octal 110134622
10 Decimal 18921874
12 Duodecimal 64061aa
16 Hexadecimal 120b992
20 Vigesimal 5i54de
36 Base36 b9k7m

Cryptographic Hash Functions

md5 055ab1abb0a57d3bb8aa809ece5a7ac5
sha1 2396df76a4f7cf51b0b022ae0687f75ef57ec6ac
sha256 38e6a13fdb1172197f01f34423b6c3502719b38960e4bbc10c6302b137220e79
sha512 a76694ecaa648a36bcc55b280f5213efee99740a7390c3700cc0fa7ecba472043bc8132b136a378d5f5722c9fb1d0d2581c219fb5fe741e2891d9a840653cada
ripemd-160 30828efbc94ff38c849aba23633fd6c3e52accae

18921874 as geometric shapes

Circle

Radius = n
Diameter 37843748
Circumference 118889640.7011
Area 1.1248074006258E+15

Sphere

Radius = n
Volume 2.8377951878545E+22
Surface area 4.4992296025031E+15
Circumference 118889640.7011

Square

Length = n
Perimeter 75687496
Area 358037315671876
Diagonal 26759570.836315

Cube

Length = n
Surface area 2148223894031256
Volume 6.7747369744415E+21
Space diagonal 32773647.142417

Equilateral Triangle

Length = n
Perimeter 56765622
Area 1.5503470543732E+14
Altitude 16386823.571208

Triangular Pyramid

Length = n
Surface area 1.5503470543732E+14
Volume 7.9841040923047E+20
Height 8919856.9454383