87128085 (number)

87128085 is an odd 8-digits composite number following 87128084 and preceding 87128086. In scientific notation, it is written as 8.7128085 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 41861120 positive integers (up to 87128085) that are relatively prime to 87128085.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-eight thousand eighty-five

Notation

Scientific notation 8.7128085 × 10^7
Engineering notation 8.7128085 × 10^6

Prime Factorization of 87128085

Prime Factorization 5 × 3 × 11 × 113 × 4673

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 87128085
Product of the distinct prime numbers

The prime factorization of 87128085 is 5 × 3 × 11 × 113 × 4673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 7, 44, 374, 505, 9728, 1410, 34859, 83881, 731065, 314758, 9971170, 3695096, 97446850, 4689271, 586063785, 995663410, 4782709057, 4418686083

Basic calculations (n = 87128085)

Multiplication

n×y
n×2 174256170
n×3 261384255
n×4 348512340
n×5 435640425

Division

n÷y
n÷2 43564042.5
n÷3 29042695
n÷3 21782021.25
n÷5 17425617

Exponentiation

ny
n2 7591303195767225
n3 6.6141571010158E+23
n4 5.7627884210066E+31
n5 5.0210071938248E+39

Nth Root

y√n
2√n 9334.2426045181
3√n 443.32210793117
4√n 96.613884118785
5√n 38.728585355886

Divisors of 87128085

1, 3, 5, 11, 15, 33, 55, 113, 165, 339, 565, 1243, 1695, 3729, 4673, 6215, 14019, 18645, 23365, 51403, 70095, 154209, 257015, 528049, 771045, 1584147, 2640245, 5808539, 7920735, 17425617, 29042695, 87128085

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87128084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87128085 can be divided by 32 positive divisors. The sum of these divisors (counting 87128085) is 1, the average is 0.03125.

Base conversion 87128085

Base System Value
2 Binary 101001100010111100000010101
3 Ternary 20001221120021010
4 Quaternary 11030113200111
5 Quinary 134301044320
6 Senary 12351242433
8 Octal 514274025
10 Decimal 87128085
12 Duodecimal 25219419
16 Hexadecimal 5317815
20 Vigesimal 174b045
36 Base36 1fvggl

Cryptographic Hash Functions

md5 e5d21e66ec066527e69bcc3ac5ab6091
sha1 226a3bb2c4026413369c03a4496ee02db38a9daa
sha256 83c5ac9a3fe70a77f4c91bc5ee780f63bf254fa888911f5091edb34769a77248
sha512 0468805e0accf8b5d2eebdd0834fba4aabd9af61b015ec2ba099cb2a7d2a623f351589815717c6c0a1f8c9672a7051c526420b1a6429bd0153909179f5ca2dca
ripemd-160 15bd019953101f5514a0cd07a07de052334bb699

87128085 as geometric shapes

Circle

Radius = n
Diameter 174256170
Circumference 547441903.51469
Area 2.3848782350995E+16

Sphere

Radius = n
Volume 2.7705316477653E+24
Surface area 9.539512940398E+16
Circumference 547441903.51469

Square

Length = n
Perimeter 348512340
Area 7591303195767225
Diagonal 123217719.4706

Cube

Length = n
Surface area 45547819174603350
Volume 6.6141571010158E+23
Space diagonal 150910269.98618

Equilateral Triangle

Length = n
Perimeter 261384255
Area 3.2871307076822E+15
Altitude 75455134.99309

Triangular Pyramid

Length = n
Surface area 3.2871307076822E+15
Volume 7.7948588966024E+22
Height 41072573.156865