20138478 (number)

20138478 is an even 8-digits composite number following 20138477 and preceding 20138479. In scientific notation, it is written as 2.0138478 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 6420920 positive integers (up to 20138478) that are relatively prime to 20138478.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138478 × 10^7
Engineering notation 2.0138478 × 10^6

Prime Factorization of 20138478

Prime Factorization 2 × 3 × 23 × 145931

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138478
Product of the distinct prime numbers

The prime factorization of 20138478 is 2 × 3 × 23 × 145931. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 19, 10, 743, 167, 3099, 3644, 86387, 56550, 544292, 628317, 1593180, 5865311, 92360344, 64360368, 385680449, 271245389, 6204097714, 1427448068

Basic calculations (n = 20138478)

Multiplication

n×y
n×2 40276956
n×3 60415434
n×4 80553912
n×5 100692390

Division

n÷y
n÷2 10069239
n÷3 6712826
n÷3 5034619.5
n÷5 4027695.6

Exponentiation

ny
n2 405558296156484
n3 8.1673268248648E+21
n4 1.6447753158135E+29
n5 3.3123271512453E+36

Nth Root

y√n
2√n 4487.5915589545
3√n 272.066799842
4√n 66.989488421353
5√n 28.893844353412

Divisors of 20138478

1, 2, 3, 6, 23, 46, 69, 138, 145931, 291862, 437793, 875586, 3356413, 6712826, 10069239, 20138478

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 -20138477
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 20138478 can be divided by 16 positive divisors. The sum of these divisors (counting 20138478) is 1, the average is 0.0625.

Base conversion 20138478

Base System Value
2 Binary 1001100110100100111101110
3 Ternary 1101220010210120
4 Quaternary 1030310213232
5 Quinary 20123412403
6 Senary 1555345410
8 Octal 114644756
10 Decimal 20138478
12 Duodecimal 68b2266
16 Hexadecimal 13349ee
20 Vigesimal 65h63i
36 Base36 bzmy6

Cryptographic Hash Functions

md5 ddd2fa91d12171c0dc397f0c97e7b513
sha1 88684c9d91a0c12aa5758284be60b72e2b778afd
sha256 1c80588fb6fb4f4adf5f36e4f009431c5de2b6344bfd71efc4123bdf165a0300
sha512 809bcbc86b7f45e908043fcc65e0f96db2231cbb095b6d631e8107ec0ad4888661a7a4abb87677bcb799603ef8e71a8bb6564c0d56317d9f739eb98ba56b930b
ripemd-160 386f5785ff34d0ba180f039807f173dcd83fd7d6

20138478 as geometric shapes

Circle

Radius = n
Diameter 40276956
Circumference 126533789.07856
Area 1.2740989638076E+15

Sphere

Radius = n
Volume 3.4211218603283E+22
Surface area 5.0963958552304E+15
Circumference 126533789.07856

Square

Length = n
Perimeter 80553912
Area 405558296156484
Diagonal 28480108.713152

Cube

Length = n
Surface area 2433349776938904
Volume 8.1673268248648E+21
Space diagonal 34880867.083108

Equilateral Triangle

Length = n
Perimeter 60415434
Area 1.7561189359352E+14
Altitude 17440433.541554

Triangular Pyramid

Length = n
Surface area 1.7561189359352E+14
Volume 9.6252869700479E+20
Height 9493369.5710507