20139987 (number)

20139987 is an odd 8-digits composite number following 20139986 and preceding 20139988. In scientific notation, it is written as 2.0139987 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11136960 positive integers (up to 20139987) that are relatively prime to 20139987.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 2.0139987 × 10^7
Engineering notation 2.0139987 × 10^6

Prime Factorization of 20139987

Prime Factorization 3 × 7 × 31 × 30937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20139987
Product of the distinct prime numbers

The prime factorization of 20139987 is 3 × 7 × 31 × 30937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 5, 10, 623, 328, 3774, 9962, 14013, 25114, 385330, 645337, 8674954, 6075108, 61585555, 80011364, 847402010, 603052818, 4223786068, 1388939680

Basic calculations (n = 20139987)

Multiplication

n×y
n×2 40279974
n×3 60419961
n×4 80559948
n×5 100699935

Division

n÷y
n÷2 10069993.5
n÷3 6713329
n÷3 5034996.75
n÷5 4027997.4

Exponentiation

ny
n2 405619076360169
n3 8.1691629248458E+21
n4 1.6452683510728E+29
n5 3.3135683202117E+36

Nth Root

y√n
2√n 4487.7596860795
3√n 272.07359510142
4√n 66.990743286513
5√n 28.894277350427

Divisors of 20139987

1, 3, 7, 21, 31, 93, 217, 651, 30937, 92811, 216559, 649677, 959047, 2877141, 6713329, 20139987

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 -20139986
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 20139987 can be divided by 16 positive divisors. The sum of these divisors (counting 20139987) is 1, the average is 0.0625.

Base conversion 20139987

Base System Value
2 Binary 1001100110100111111010011
3 Ternary 1101220012212110
4 Quaternary 1030310333103
5 Quinary 20123434422
6 Senary 1555400403
8 Octal 114647723
10 Decimal 20139987
12 Duodecimal 68b3103
16 Hexadecimal 1334fd3
20 Vigesimal 65h9j7
36 Base36 bzo43

Cryptographic Hash Functions

md5 b6b85166e0bb54594635af852fb081f4
sha1 37315229e3108e1f3a691d241ba358f0614d999a
sha256 b486fc1a0fe7e07d0f6ba02130eb3677e57456ecbafde0f7c21ba14239e5ab62
sha512 8eca41eff40e1d59798e2d3c9cdc2ded0a2d35bbaea4b11119d36bbac9a7aedaa6a5aee5d90809b28ea94d7b97d5b8f37fb3d23903c54b2bc63216134f8d6079
ripemd-160 6d71764f0ef95bbc8523029c1bbd8e3fbf384924

20139987 as geometric shapes

Circle

Radius = n
Diameter 40279974
Circumference 126543270.40519
Area 1.274289910449E+15

Sphere

Radius = n
Volume 3.4218909640898E+22
Surface area 5.0971596417959E+15
Circumference 126543270.40519

Square

Length = n
Perimeter 80559948
Area 405619076360169
Diagonal 28482242.761418

Cube

Length = n
Surface area 2433714458161014
Volume 8.1691629248458E+21
Space diagonal 34883480.747777

Equilateral Triangle

Length = n
Perimeter 60419961
Area 1.7563821219374E+14
Altitude 17441740.373888

Triangular Pyramid

Length = n
Surface area 1.7563821219374E+14
Volume 9.627450834627E+20
Height 9494080.9204726