20154890 (number)

20154890 is an even 8-digits composite number following 20154889 and preceding 20154891. In scientific notation, it is written as 2.0154890 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 6825024 positive integers (up to 20154890) that are relatively prime to 20154890.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-four thousand eight hundred ninety

Notation

Scientific notation 2.0154890 × 10^7
Engineering notation 2.0154890 × 10^6

Prime Factorization of 20154890

Prime Factorization 2 × 7 × 5 × 83 × 3469

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20154890
Product of the distinct prime numbers

The prime factorization of 20154890 is 2 × 7 × 5 × 83 × 3469. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20154890)

Multiplication

n×y
n×2 40309780
n×3 60464670
n×4 80619560
n×5 100774450

Division

n÷y
n÷2 10077445
n÷3 6718296.6666667
n÷3 5038722.5
n÷5 4030978

Exponentiation

ny
n2 406219590912100
n3 8.1873111706784E+21
n4 1.6501435604079E+29
n5 3.325846194423E+36

Nth Root

y√n
2√n 4489.4197843374
3√n 272.14068738365
4√n 67.003132645701
5√n 28.898552268936

Divisors of 20154890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20154889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20154890 can be divided by 32 positive divisors. The sum of these divisors (counting 20154890) is 1, the average is 0.03125.

Base conversion 20154890

Base System Value
2 Binary 1001100111000101000001010
3 Ternary 1101220222022102
4 Quaternary 1030320220022
5 Quinary 20124424030
6 Senary 1555553402
8 Octal 114705012
10 Decimal 20154890
12 Duodecimal 68bb862
16 Hexadecimal 1338a0a
20 Vigesimal 65j74a
36 Base36 bzzm2

Cryptographic Hash Functions

md5 75fc2874550f840b80331939d0552b01
sha1 52c4e3d54224c99a03c4ba7be1fd45dcbd0dc496
sha256 86ef2d57a41af16037c1eba9a6eee48e6010e68c3dd03659f78b82bbdfadb158
sha512 452a6f10f8df40316ee71ba5f357e983c898e1e199dda379f4ae9b98ffa8d195a0810d6d263e045cd1934f9208ab251e99d131e2a802b363eecdea94c3e04cd6
ripemd-160 54b44f54bce1a0e345123c1372d1487010632d2d

20154890 as geometric shapes

Circle

Radius = n
Diameter 40309780
Circumference 126636908.71582
Area 1.2761764825537E+15

Sphere

Radius = n
Volume 3.4294928835276E+22
Surface area 5.1047059302148E+15
Circumference 126636908.71582

Square

Length = n
Perimeter 80619560
Area 406219590912100
Diagonal 28503318.786138

Cube

Length = n
Surface area 2437317545472600
Volume 8.1873111706784E+21
Space diagonal 34909293.500962

Equilateral Triangle

Length = n
Perimeter 60464670
Area 1.758982426224E+14
Altitude 17454646.750481

Triangular Pyramid

Length = n
Surface area 1.758982426224E+14
Volume 9.6488387474518E+20
Height 9501106.262046