87988 (number)

87988 is an even 5-digits composite number following 87987 and preceding 87989. In scientific notation, it is written as 8.7988 × 10^4. The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors. There are 43992 positive integers (up to 87988) that are relatively prime to 87988.

Interesting facts

Basic properties

Name

Name eighty-seven thousand nine hundred eighty-eight

Notation

Scientific notation 8.7988 × 10^4
Engineering notation 8.7988 × 10^3

Prime Factorization of 87988

Prime Factorization 2 × 2 × 21997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 43994
Product of the distinct prime numbers

The prime factorization of 87988 is 2 × 2 × 21997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 38, 7, 801, 233, 1805, 2694, 18404, 58416, 256170, 64724, 8153773, 3154059, 60906714, 32897081, 187623089, 622266470, 9271088071, 1394501336

Basic calculations (n = 87988)

Multiplication

n×y
n×2 175976
n×3 263964
n×4 351952
n×5 439940

Division

n÷y
n÷2 43994
n÷3 29329.333333333
n÷3 21997
n÷5 17597.6

Exponentiation

ny
n2 7741888144
n3 681193254014272
n4 5.9936832034208E+19
n5 5.2737219770259E+24

Nth Root

y√n
2√n 296.62771279838
3√n 44.477579919397
4√n 17.222883405469
5√n 9.7473079978829

Divisors of 87988

1, 2, 4, 21997, 43994, 87988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87988 can be divided by 6 positive divisors. The sum of these divisors (counting 87988) is 1, the average is 0.16666666666667.

Base conversion 87988

Base System Value
2 Binary 10101011110110100
3 Ternary 11110200211
4 Quaternary 111132310
5 Quinary 10303423
6 Senary 1515204
8 Octal 253664
10 Decimal 87988
12 Duodecimal 42b04
16 Hexadecimal 157b4
20 Vigesimal ajj8
36 Base36 1vw4

Cryptographic Hash Functions

md5 f02eac808a183d9efd8e418ff686b610
sha1 c6a6a7442e55081e6a4c018a1b5e250e45ba5313
sha256 6d5b6278f0988efc2f2993b51b821b71d2c6276bde88809cf93a125814fe9847
sha512 4421374d31cf1ecd277b82084342cc83cdfb25638f2237ef727ddfad5aac82b08f2a7773f890bf3e8a9231a4a3db53a701c87c0b5f4de28d0d619b83bdb79932
ripemd-160 1b739165537787fa30129d0eedbd38446d7ec133

87988 as geometric shapes

Circle

Radius = n
Diameter 175976
Circumference 552844.90880812
Area 24321858918.104

Sphere

Radius = n
Volume 2.8533756299816E+15
Surface area 97287435672.417
Circumference 552844.90880812

Square

Length = n
Perimeter 351952
Area 7741888144
Diagonal 124433.82292608

Cube

Length = n
Surface area 46451328864
Volume 681193254014272
Space diagonal 152399.68645637

Equilateral Triangle

Length = n
Perimeter 263964
Area 3352335902.9808
Altitude 76199.843228185

Triangular Pyramid

Length = n
Surface area 3352335902.9808
Volume 80279394868670
Height 41477.940975361