87991856 (number)

87991856 is an even 8-digits composite number following 87991855 and preceding 87991857. In scientific notation, it is written as 8.7991856 × 10^7. The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors. There are 43958400 positive integers (up to 87991856) that are relatively prime to 87991856.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred ninety-one thousand eight hundred fifty-six

Notation

Scientific notation 8.7991856 × 10^7
Engineering notation 8.7991856 × 10^6

Prime Factorization of 87991856

Prime Factorization 2 × 2 × 2 × 2 × 2411 × 2281

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10998982
Product of the distinct prime numbers

The prime factorization of 87991856 is 2 × 2 × 2 × 2 × 2411 × 2281. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 63, 85, 489, 519, 5084, 9773, 11746, 53562, 386792, 69699, 2905141, 9432851, 87097476, 6789853, 742093110, 695878118, 9524927478, 72290291

Basic calculations (n = 87991856)

Multiplication

n×y
n×2 175983712
n×3 263975568
n×4 351967424
n×5 439959280

Division

n÷y
n÷2 43995928
n÷3 29330618.666667
n÷3 21997964
n÷5 17598371.2

Exponentiation

ny
n2 7742566722324736
n3 6.8128281610119E+23
n4 5.994733944965E+31
n5 5.2748776604368E+39

Nth Root

y√n
2√n 9380.3974329449
3√n 444.78229640733
4√n 96.852451868525
5√n 38.805072186485

Divisors of 87991856

1, 2, 4, 8, 16, 2281, 2411, 4562, 4822, 9124, 9644, 18248, 19288, 36496, 38576, 5499491, 10998982, 21997964, 43995928, 87991856

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87991855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87991856 can be divided by 20 positive divisors. The sum of these divisors (counting 87991856) is 1, the average is 0.05.

Base conversion 87991856

Base System Value
2 Binary 101001111101010011000110000
3 Ternary 20010120110010122
4 Quaternary 11033222120300
5 Quinary 140011214411
6 Senary 12421545412
8 Octal 517523060
10 Decimal 87991856
12 Duodecimal 25575268
16 Hexadecimal 53ea630
20 Vigesimal 179ijcg
36 Base36 1gdyy8

Cryptographic Hash Functions

md5 9d2cf34d1a9962488990205f154f86ef
sha1 fc88262fa01fa6167c44f8a064acb883b204c85d
sha256 bd1382a58a9f24241d4fd2190b712400e2f1e0e6ef839fbf358798649234800c
sha512 6b5f2d4fdc06be4850d2990c40de9cb519c8d89010909ff084ed4565f237c4cc02e463335b8ae4369ee50ef5560c81113e85d130d40695bd31479e5b81942a7e
ripemd-160 6ddc7959db8791370bdce7c3cacf503b720abe5f

87991856 as geometric shapes

Circle

Radius = n
Diameter 175983712
Circumference 552869136.77066
Area 2.4323990734784E+16

Sphere

Radius = n
Volume 2.853750786774E+24
Surface area 9.7295962939137E+16
Circumference 552869136.77066

Square

Length = n
Perimeter 351967424
Area 7742566722324736
Diagonal 124439276.13358

Cube

Length = n
Surface area 46455400333948416
Volume 6.8128281610119E+23
Space diagonal 152406365.24428

Equilateral Triangle

Length = n
Perimeter 263975568
Area 3.3526297360146E+15
Altitude 76203182.622142

Triangular Pyramid

Length = n
Surface area 3.3526297360146E+15
Volume 8.0289949861837E+22
Height 41479758.711193