87081390 (number)

87081390 is an even 8-digits composite number following 87081389 and preceding 87081391. In scientific notation, it is written as 8.7081390 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 21110400 positive integers (up to 87081390) that are relatively prime to 87081390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081390 × 10^7
Engineering notation 8.7081390 × 10^6

Prime Factorization of 87081390

Prime Factorization 2 × 9 × 55 × 87961

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87081390
Product of the distinct prime numbers

The prime factorization of 87081390 is 2 × 9 × 55 × 87961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 80, 1, 71, 678, 1826, 5199, 45026, 16637, 683006, 40166, 1957516, 6613064, 70292228, 28787653, 982409342, 179007871, 7989712494, 8273403454

Basic calculations (n = 87081390)

Multiplication

n×y
n×2 174162780
n×3 261244170
n×4 348325560
n×5 435406950

Division

n÷y
n÷2 43540695
n÷3 29027130
n÷3 21770347.5
n÷5 17416278

Exponentiation

ny
n2 7583168484332100
n3 6.6035285221983E+23
n4 5.7504444261768E+31
n5 5.0075669374922E+39

Nth Root

y√n
2√n 9331.7409951198
3√n 443.24289648422
4√n 96.6009368232
5√n 38.724433263943

Divisors of 87081390

1, 2, 9, 18, 55, 110, 495, 990, 87961, 175922, 791649, 1583298, 4837855, 9675710, 43540695, 87081390

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 -87081389
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 87081390 can be divided by 16 positive divisors. The sum of these divisors (counting 87081390) is 1, the average is 0.0625.

Base conversion 87081390

Base System Value
2 Binary 101001100001100000110101110
3 Ternary 20001212012012200
4 Quaternary 11030030012232
5 Quinary 134243101030
6 Senary 12350242330
8 Octal 514140656
10 Decimal 87081390
12 Duodecimal 251b63a6
16 Hexadecimal 530c1ae
20 Vigesimal 174539a
36 Base36 1fugfi

Cryptographic Hash Functions

md5 f8198adaeab66b8df32ceb33dc268803
sha1 86ee6c183a191347f2b81c8caba9d4304b8622c2
sha256 442e124fd0a3d4d7011ee85f7ed8fb0454e7c5cde5e1a943ddbb1f150839143b
sha512 fcbbbe14d4acc91cedfd615a4ee712742b566ffbd7516ba74edc1ce3a58725fcb37f17c9062bf5d1ee4f3f5e638cd1abaf985926ad7ab23f7a3b3b6ebafd77af
ripemd-160 8f094f428d59f1f3e5f8db9ca4a28c20384e2145

87081390 as geometric shapes

Circle

Radius = n
Diameter 174162780
Circumference 547148510.17678
Area 2.3823226401311E+16

Sphere

Radius = n
Volume 2.7660795590812E+24
Surface area 9.5292905605245E+16
Circumference 547148510.17678

Square

Length = n
Perimeter 348325560
Area 7583168484332100
Diagonal 123151682.7683

Cube

Length = n
Surface area 45499010905992600
Volume 6.6035285221983E+23
Space diagonal 150829391.87372

Equilateral Triangle

Length = n
Perimeter 261244170
Area 3.2836082743046E+15
Altitude 75414695.93686

Triangular Pyramid

Length = n
Surface area 3.2836082743046E+15
Volume 7.782332996342E+22
Height 41050560.922767