87989 (number)

87989 is an odd 5-digits composite number following 87988 and preceding 87990. In scientific notation, it is written as 8.7989 × 10^4. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 75600 positive integers (up to 87989) that are relatively prime to 87989.

Interesting facts

Basic properties

Name

Name eighty-seven thousand nine hundred eighty-nine

Notation

Scientific notation 8.7989 × 10^4
Engineering notation 8.7989 × 10^3

Prime Factorization of 87989

Prime Factorization 19 × 11 × 421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87989
Product of the distinct prime numbers

The prime factorization of 87989 is 19 × 11 × 421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 63, 12, 884, 941, 1541, 4107, 17976, 25704, 562581, 971319, 6083176, 4862051, 6146659, 40651359, 106008461, 743335467, 8593090995, 6300713637

Basic calculations (n = 87989)

Multiplication

n×y
n×2 175978
n×3 263967
n×4 351956
n×5 439945

Division

n÷y
n÷2 43994.5
n÷3 29329.666666667
n÷3 21997.25
n÷5 17597.8

Exponentiation

ny
n2 7742064121
n3 681216479942669
n4 5.9939556853675E+19
n5 5.2740216679981E+24

Nth Root

y√n
2√n 296.62939840818
3√n 44.477748417417
4√n 17.22293234058
5√n 9.7473301537762

Divisors of 87989

1, 11, 19, 209, 421, 4631, 7999, 87989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87989 can be divided by 8 positive divisors. The sum of these divisors (counting 87989) is 1, the average is 0.125.

Base conversion 87989

Base System Value
2 Binary 10101011110110101
3 Ternary 11110200212
4 Quaternary 111132311
5 Quinary 10303424
6 Senary 1515205
8 Octal 253665
10 Decimal 87989
12 Duodecimal 42b05
16 Hexadecimal 157b5
20 Vigesimal ajj9
36 Base36 1vw5

Cryptographic Hash Functions

md5 3d705444b5b160e095cf9b5aa760c5b4
sha1 362bce0d1b8880b88ce0bbf4bbab35bf8a51fa59
sha256 3cd0de88a2360774e2b5c2ca14b90f38850350b4cadf9c337e5a55f09157bd4b
sha512 f3654fb778504f35a76c03b850aaa02becb9f289bcb18633b248881ff1805ca9253ddf5bdfd1a1f3ff71c7710d36b879ea5b8ada8ccd93e02942a6435b14510e
ripemd-160 d3db8ca18381420e987b7040c02aa775921e9e40

87989 as geometric shapes

Circle

Radius = n
Diameter 175978
Circumference 552851.19199342
Area 24322411766.155

Sphere

Radius = n
Volume 2.8534729185229E+15
Surface area 97289647064.619
Circumference 552851.19199342

Square

Length = n
Perimeter 351956
Area 7742064121
Diagonal 124435.23713965

Cube

Length = n
Surface area 46452384726
Volume 681216479942669
Space diagonal 152401.41850718

Equilateral Triangle

Length = n
Perimeter 263967
Area 3352412103.257
Altitude 76200.709253589

Triangular Pyramid

Length = n
Surface area 3352412103.257
Volume 80282132070582
Height 41478.412379882