87381 (number)

87381 is an odd 5-digits composite number following 87380 and preceding 87382. In scientific notation, it is written as 8.7381 × 10^4. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 46656 positive integers (up to 87381) that are relatively prime to 87381.

Interesting facts

Basic properties

Name

Name eighty-seven thousand three hundred eighty-one

Notation

Scientific notation 8.7381 × 10^4
Engineering notation 8.7381 × 10^3

Prime Factorization of 87381

Prime Factorization 9 × 7 × 73 × 19

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87381
Product of the distinct prime numbers

The prime factorization of 87381 is 9 × 7 × 73 × 19. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87381)

Multiplication

n×y
n×2 174762
n×3 262143
n×4 349524
n×5 436905

Division

n÷y
n÷2 43690.5
n÷3 29127
n÷3 21845.25
n÷5 17476.2

Exponentiation

ny
n2 7635439161
n3 667192309327341
n4 5.8299931181332E+19
n5 5.094306286556E+24

Nth Root

y√n
2√n 295.60277400593
3√n 44.375065132484
4√n 17.193102512517
5√n 9.7338220439574

Divisors of 87381

1, 7, 9, 19, 63, 73, 133, 171, 511, 657, 1197, 1387, 4599, 9709, 12483, 87381

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 -87380
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 87381 can be divided by 16 positive divisors. The sum of these divisors (counting 87381) is 1, the average is 0.0625.

Base conversion 87381

Base System Value
2 Binary 10101010101010101
3 Ternary 11102212100
4 Quaternary 111111111
5 Quinary 10244011
6 Senary 1512313
8 Octal 252525
10 Decimal 87381
12 Duodecimal 42699
16 Hexadecimal 15555
20 Vigesimal ai91
36 Base36 1vf9

Cryptographic Hash Functions

md5 274418add9b6d8663419e406bb41d7fd
sha1 c4fc6d3388982a3c3627cb392faaa42f83e4d95b
sha256 ee2fcd19425380f46ce616bd5966ea97d97e317694c42e334999c00143f4da93
sha512 0ced5822d6933fc94a56306b6666076d3e5a3ab287b5c70d728a902672e4e5c2d88a72998cf8c1acef87fba62fd1c95ecfa2a0b6f20f2f834ef398977f73d74a
ripemd-160 74313d63bdedc015103cc5dee7eca60b96b88728

87381 as geometric shapes

Circle

Radius = n
Diameter 174762
Circumference 549031.01532666
Area 23987439575.129

Sphere

Radius = n
Volume 2.7947286100192E+15
Surface area 95949758300.518
Circumference 549031.01532666

Square

Length = n
Perimeter 349524
Area 7635439161
Diagonal 123575.39529372

Cube

Length = n
Surface area 45812634966
Volume 667192309327341
Space diagonal 151348.33161618

Equilateral Triangle

Length = n
Perimeter 262143
Area 3306242141.2383
Altitude 75674.165808088

Triangular Pyramid

Length = n
Surface area 3306242141.2383
Volume 78629367713479
Height 41191.798431241