87081729 (number)

87081729 is an odd 8-digits composite number following 87081728 and preceding 87081730. In scientific notation, it is written as 8.7081729 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 49709520 positive integers (up to 87081729) that are relatively prime to 87081729.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand seven hundred twenty-nine

Notation

Scientific notation 8.7081729 × 10^7
Engineering notation 8.7081729 × 10^6

Prime Factorization of 87081729

Prime Factorization 3 × 7 × 1471 × 2819

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87081729
Product of the distinct prime numbers

The prime factorization of 87081729 is 3 × 7 × 1471 × 2819. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 26, 64, 363, 686, 7283, 3167, 45631, 78196, 511133, 723968, 5263219, 1316883, 2563497, 64400780, 865814576, 581472764, 8736858344, 4296742225

Basic calculations (n = 87081729)

Multiplication

n×y
n×2 174163458
n×3 261245187
n×4 348326916
n×5 435408645

Division

n÷y
n÷2 43540864.5
n÷3 29027243
n÷3 21770432.25
n÷5 17416345.8

Exponentiation

ny
n2 7583227525629441
n3 6.603605643322E+23
n4 5.7505339705464E+31
n5 5.0076644082842E+39

Nth Root

y√n
2√n 9331.7591589153
3√n 443.24347165168
4√n 96.601030837747
5√n 38.724463414041

Divisors of 87081729

1, 3, 7, 21, 1471, 2819, 4413, 8457, 10297, 19733, 30891, 59199, 4146749, 12440247, 29027243, 87081729

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 -87081728
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 87081729 can be divided by 16 positive divisors. The sum of these divisors (counting 87081729) is 1, the average is 0.0625.

Base conversion 87081729

Base System Value
2 Binary 101001100001100001100000001
3 Ternary 20001212012200020
4 Quaternary 11030030030001
5 Quinary 134243103404
6 Senary 12350244053
8 Octal 514141401
10 Decimal 87081729
12 Duodecimal 251b6629
16 Hexadecimal 530c301
20 Vigesimal 1745469
36 Base36 1fugox

Cryptographic Hash Functions

md5 7c1725749ee9e03e5004d3d88869ab71
sha1 c1891b0a250aa20c4279177d87ccfdede72b7705
sha256 e3cf4287967c2c8840a87a18652c118fcf49417d74dc568ffb1460dbc98e2529
sha512 b0f0ef4a0db45299a82154d3604a08c8980e1b43a4271167e9bb1b9d3ace17143a7931779dd4b20db7bc271cd164af3b87e07b4fb8dea05a0083fc4e604c4500
ripemd-160 4a618ea3387cb4b3b231d6526d2dee88c072095b

87081729 as geometric shapes

Circle

Radius = n
Diameter 174163458
Circumference 547150640.17659
Area 2.3823411885017E+16

Sphere

Radius = n
Volume 2.7661118635019E+24
Surface area 9.5293647540069E+16
Circumference 547150640.17659

Square

Length = n
Perimeter 348326916
Area 7583227525629441
Diagonal 123152162.1867

Cube

Length = n
Surface area 45499365153776646
Volume 6.603605643322E+23
Space diagonal 150829979.03894

Equilateral Triangle

Length = n
Perimeter 261245187
Area 3.2836338399363E+15
Altitude 75414989.519472

Triangular Pyramid

Length = n
Surface area 3.2836338399363E+15
Volume 7.7824238844579E+22
Height 41050720.728899