87081381 (number)

87081381 is an odd 8-digits composite number following 87081380 and preceding 87081382. In scientific notation, it is written as 8.7081381 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 55530024 positive integers (up to 87081381) that are relatively prime to 87081381.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand three hundred eighty-one

Notation

Scientific notation 8.7081381 × 10^7
Engineering notation 8.7081381 × 10^6

Prime Factorization of 87081381

Prime Factorization 3 × 3 × 23 × 420683

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 29027127
Product of the distinct prime numbers

The prime factorization of 87081381 is 3 × 3 × 23 × 420683. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 31, 29, 857, 874, 5675, 3190, 99800, 85187, 172050, 399290, 1092712, 2139650, 67911874, 92171860, 767696982, 156015895, 1822734043, 5926156928

Basic calculations (n = 87081381)

Multiplication

n×y
n×2 174162762
n×3 261244143
n×4 348325524
n×5 435406905

Division

n÷y
n÷2 43540690.5
n÷3 29027127
n÷3 21770345.25
n÷5 17416276.2

Exponentiation

ny
n2 7583166916867161
n3 6.603526474743E+23
n4 5.7504420489069E+31
n5 5.0075643497928E+39

Nth Root

y√n
2√n 9331.7405128947
3√n 443.24288121427
4√n 96.600934327235
5√n 38.724432463497

Divisors of 87081381

1, 3, 9, 23, 69, 207, 420683, 1262049, 3786147, 9675709, 29027127, 87081381

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081381 can be divided by 12 positive divisors. The sum of these divisors (counting 87081381) is 1, the average is 0.083333333333333.

Base conversion 87081381

Base System Value
2 Binary 101001100001100000110100101
3 Ternary 20001212012012100
4 Quaternary 11030030012211
5 Quinary 134243101011
6 Senary 12350242313
8 Octal 514140645
10 Decimal 87081381
12 Duodecimal 251b6399
16 Hexadecimal 530c1a5
20 Vigesimal 1745391
36 Base36 1fugf9

Cryptographic Hash Functions

md5 7dee35a746438f021133658def31389d
sha1 1fdcbf9cc32578c882c5af6d3172c7535cbc6dea
sha256 10e0a1b83c823b948c2aedac55012b12f9fb2452ebbb70702f9fe259acb24e56
sha512 46e47cb0555d5be9da69085482f92b6b7d6ecc33ee6842791d26dbd87393807dbaa6a5784f2a898c9269717e0cbcb47a63121cd726605e370a2f88840377a94b
ripemd-160 1da2d75f7cbb066905b72ee21bf0d744a0c9c90b

87081381 as geometric shapes

Circle

Radius = n
Diameter 174162762
Circumference 547148453.62811
Area 2.3823221476975E+16

Sphere

Radius = n
Volume 2.7660787014451E+24
Surface area 9.52928859079E+16
Circumference 547148453.62811

Square

Length = n
Perimeter 348325524
Area 7583166916867161
Diagonal 123151670.04038

Cube

Length = n
Surface area 45499001501202966
Volume 6.603526474743E+23
Space diagonal 150829376.28526

Equilateral Triangle

Length = n
Perimeter 261244143
Area 3.2836075955723E+15
Altitude 75414688.142632

Triangular Pyramid

Length = n
Surface area 3.2836075955723E+15
Volume 7.7823305833928E+22
Height 41050556.680126