20138986 (number)

20138986 is an even 8-digits composite number following 20138985 and preceding 20138987. In scientific notation, it is written as 2.0138986 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8591616 positive integers (up to 20138986) that are relatively prime to 20138986.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred eighty-six

Notation

Scientific notation 2.0138986 × 10^7
Engineering notation 2.0138986 × 10^6

Prime Factorization of 20138986

Prime Factorization 2 × 7 × 227 × 6337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138986
Product of the distinct prime numbers

The prime factorization of 20138986 is 2 × 7 × 227 × 6337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 1, 7, 693, 168, 512, 3197, 91745, 84512, 313178, 735819, 7625795, 4520075, 28659819, 93840985, 979828563, 637957840, 710489400, 456697003

Basic calculations (n = 20138986)

Multiplication

n×y
n×2 40277972
n×3 60416958
n×4 80555944
n×5 100694930

Division

n÷y
n÷2 10069493
n÷3 6712995.3333333
n÷3 5034746.5
n÷5 4027797.2

Exponentiation

ny
n2 405578757108196
n3 8.1679449112994E+21
n4 1.6449412821743E+29
n5 3.312744945253E+36

Nth Root

y√n
2√n 4487.6481591141
3√n 272.06908748214
4√n 66.98991087555
5√n 28.893990123363

Divisors of 20138986

1, 2, 7, 14, 227, 454, 1589, 3178, 6337, 12674, 44359, 88718, 1438499, 2876998, 10069493, 20138986

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 -20138985
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 20138986 can be divided by 16 positive divisors. The sum of these divisors (counting 20138986) is 1, the average is 0.0625.

Base conversion 20138986

Base System Value
2 Binary 1001100110100101111101010
3 Ternary 1101220011111101
4 Quaternary 1030310233222
5 Quinary 20123421421
6 Senary 1555352014
8 Octal 114645752
10 Decimal 20138986
12 Duodecimal 68b260a
16 Hexadecimal 1334bea
20 Vigesimal 65h796
36 Base36 bznca

Cryptographic Hash Functions

md5 64a694778f8886ba194dd7036b113088
sha1 4945019211cacfaebad886c2b7c98033935b9002
sha256 40c125b1a5cdfe01b303df64f0329946189912926631312cab07cb10a194a774
sha512 3fff54cdd0088cfbe4233121d9bf791eb25b7febddab17e3fd7470233b0810365d158a3d5772c7429f0d9305adada317f72521f1218be8f2f0fda51aa9b1343f
ripemd-160 af2c17ef46bc579d59812e6f2a742757dc90b6e7

20138986 as geometric shapes

Circle

Radius = n
Diameter 40277972
Circumference 126536980.9367
Area 1.2741632437832E+15

Sphere

Radius = n
Volume 3.4213807637686E+22
Surface area 5.0966529751328E+15
Circumference 126536980.9367

Square

Length = n
Perimeter 80555944
Area 405578757108196
Diagonal 28480827.133642

Cube

Length = n
Surface area 2433472542649176
Volume 8.1679449112994E+21
Space diagonal 34881746.964918

Equilateral Triangle

Length = n
Perimeter 60416958
Area 1.7562075344551E+14
Altitude 17440873.482459

Triangular Pyramid

Length = n
Surface area 1.7562075344551E+14
Volume 9.6260153918966E+20
Height 9493609.0445473