20087988 (number)

20087988 is an even 8-digits composite number following 20087987 and preceding 20087989. In scientific notation, it is written as 2.0087988 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 6553344 positive integers (up to 20087988) that are relatively prime to 20087988.

Interesting facts

Basic properties

Name

Name twenty million eighty-seven thousand nine hundred eighty-eight

Notation

Scientific notation 2.0087988 × 10^7
Engineering notation 2.0087988 × 10^6

Prime Factorization of 20087988

Prime Factorization 2 × 2 × 3 × 47 × 35617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10043994
Product of the distinct prime numbers

The prime factorization of 20087988 is 2 × 2 × 3 × 47 × 35617. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 2, 30, 493, 591, 5545, 8009, 87867, 43160, 118345, 10999, 5676848, 8237051, 64848339, 40115037, 885819161, 237883113, 1625215613, 6757704329

Basic calculations (n = 20087988)

Multiplication

n×y
n×2 40175976
n×3 60263964
n×4 80351952
n×5 100439940

Division

n÷y
n÷2 10043994
n÷3 6695996
n÷3 5021997
n÷5 4017597.6

Exponentiation

ny
n2 403527261888144
n3 8.1060507944819E+21
n4 1.6283425108694E+29
n5 3.2710124818235E+36

Nth Root

y√n
2√n 4481.9625165769
3√n 271.83923963531
4√n 66.947460867287
5√n 28.879341614692

Divisors of 20087988

1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 35617, 71234, 106851, 142468, 213702, 427404, 1673999, 3347998, 5021997, 6695996, 10043994, 20087988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20087987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20087988 can be divided by 24 positive divisors. The sum of these divisors (counting 20087988) is 1, the average is 0.041666666666667.

Base conversion 20087988

Base System Value
2 Binary 1001100101000010010110100
3 Ternary 1101210120112120
4 Quaternary 1030220102310
5 Quinary 20120303423
6 Senary 1554315540
8 Octal 114502264
10 Decimal 20087988
12 Duodecimal 6888bb0
16 Hexadecimal 13284b4
20 Vigesimal 65ajj8
36 Base36 byjzo

Cryptographic Hash Functions

md5 94b05651ca4c1539b41bd5d48a9a4110
sha1 c34c8e3fd9ad66fdd71782605473e146277443d0
sha256 7e987811772649408ff7cd9d17d75d19604fef122541746a504a6691ecc47c67
sha512 7682b710bacf6020eddaf7cdcd5c64e9e8e0f530a73c91299097dc53a69d6d9102a47ae22d52463380f68901d9b4954c74e04bb6dab2534dda04c74bd9426008
ripemd-160 51a45c5b356de686b16952c4eedf6c3689a1988f

20087988 as geometric shapes

Circle

Radius = n
Diameter 40175976
Circumference 126216551.0524
Area 1.267718281471E+15

Sphere

Radius = n
Volume 3.3954546167427E+22
Surface area 5.070873125884E+15
Circumference 126216551.0524

Square

Length = n
Perimeter 80351952
Area 403527261888144
Diagonal 28408705.070388

Cube

Length = n
Surface area 2421163571328864
Volume 8.1060507944819E+21
Space diagonal 34793415.837834

Equilateral Triangle

Length = n
Perimeter 60263964
Area 1.7473242995735E+14
Altitude 17396707.918917

Triangular Pyramid

Length = n
Surface area 1.7473242995735E+14
Volume 9.5530724757012E+20
Height 9469568.356796