87081761 (number)

87081761 is an odd 8-digits composite number following 87081760 and preceding 87081762. In scientific notation, it is written as 8.7081761 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 80383152 positive integers (up to 87081761) that are relatively prime to 87081761.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081761 × 10^7
Engineering notation 8.7081761 × 10^6

Prime Factorization of 87081761

Prime Factorization 13 × 6698597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081761
Product of the distinct prime numbers

The prime factorization of 87081761 is 13 × 6698597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081761)

Multiplication

n×y
n×2 174163522
n×3 261245283
n×4 348327044
n×5 435408805

Division

n÷y
n÷2 43540880.5
n÷3 29027253.666667
n÷3 21770440.25
n÷5 17416352.2

Exponentiation

ny
n2 7583233098861121
n3 6.6036129232231E+23
n4 5.7505424231663E+31
n5 5.0076736091453E+39

Nth Root

y√n
2√n 9331.7608734901
3√n 443.2435259447
4√n 96.601039712262
5√n 38.724466260064

Divisors of 87081761

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081760
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081761 can be divided by 4 positive divisors. The sum of these divisors (counting 87081761) is 1, the average is 0.25.

Base conversion 87081761

Base System Value
2 Binary 101001100001100001100100001
3 Ternary 20001212012201102
4 Quaternary 11030030030201
5 Quinary 134243104021
6 Senary 12350244145
8 Octal 514141441
10 Decimal 87081761
12 Duodecimal 251b6655
16 Hexadecimal 530c321
20 Vigesimal 1745481
36 Base36 1fugpt

Cryptographic Hash Functions

md5 6139e7421fa6c1d6bf42737ab765ec98
sha1 867e97c9416c04c67c714b98706ec86253519b20
sha256 d04170e651e9f54eb6b5b924ada2bf8b8c6e25e38b6f9ef8fb88054c00b3efd0
sha512 c4cd5b1f438ab9b1dcffee83be719b3439b859da52bb69b67d7aeaaef4b6a6917ccfe2ef1e4429258a49f7d8ca3d3fdb6253902e3b3711482341a81bd7e146cf
ripemd-160 43258c75c750b36886fca410873ad4ce77edb688

87081761 as geometric shapes

Circle

Radius = n
Diameter 174163522
Circumference 547150841.23852
Area 2.3823429393841E+16

Sphere

Radius = n
Volume 2.7661149128998E+24
Surface area 9.5293717575364E+16
Circumference 547150841.23852

Square

Length = n
Perimeter 348327044
Area 7583233098861121
Diagonal 123152207.44153

Cube

Length = n
Surface area 45499398593166726
Volume 6.6036129232231E+23
Space diagonal 150830034.46457

Equilateral Triangle

Length = n
Perimeter 261245283
Area 3.2836362532164E+15
Altitude 75415017.232285

Triangular Pyramid

Length = n
Surface area 3.2836362532164E+15
Volume 7.7824324639037E+22
Height 41050735.813844