87082981 (number)

87082981 is an odd 8-digits composite number following 87082980 and preceding 87082982. In scientific notation, it is written as 8.7082981 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 87050700 positive integers (up to 87082981) that are relatively prime to 87082981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7082981 × 10^7
Engineering notation 8.7082981 × 10^6

Prime Factorization of 87082981

Prime Factorization 2971 × 29311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87082981
Product of the distinct prime numbers

The prime factorization of 87082981 is 2971 × 29311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87082981)

Multiplication

n×y
n×2 174165962
n×3 261248943
n×4 348331924
n×5 435414905

Division

n÷y
n÷2 43541490.5
n÷3 29027660.333333
n÷3 21770745.25
n÷5 17416596.2

Exponentiation

ny
n2 7583445579846361
n3 6.6038904734429E+23
n4 5.7508646862491E+31
n5 5.008024402062E+39

Nth Root

y√n
2√n 9331.8262414171
3√n 443.24559585605
4√n 96.601378051336
5√n 38.724574764034

Divisors of 87082981

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 -87082980
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 87082981 can be divided by 4 positive divisors. The sum of these divisors (counting 87082981) is 1, the average is 0.25.

Base conversion 87082981

Base System Value
2 Binary 101001100001100011111100101
3 Ternary 20001212021101121
4 Quaternary 11030030133211
5 Quinary 134243123411
6 Senary 12350253541
8 Octal 514143745
10 Decimal 87082981
12 Duodecimal 251b72b1
16 Hexadecimal 530c7e5
20 Vigesimal 1745791
36 Base36 1fuhnp

Cryptographic Hash Functions

md5 0f76a919f6cd57e18d5baa6116f161a7
sha1 59de6e7cf832caefb5144cd7d967796759eee7a0
sha256 068c9db8c6907378b4a96cd071fa9014d70813d59a1c958bb8e9d2454a79ae1d
sha512 6dbcf8e5f456715dfb58c926c10823fc5f940a11f977d88dd7f3154120d3d9b7a0a6d833089ff4e1214b24da28dbe64525ce4795e87953e735e8e7b13a518dea
ripemd-160 922e0ac2f1607419b16eaeea8c2ed502b8f25f3e

87082981 as geometric shapes

Circle

Radius = n
Diameter 174165962
Circumference 547158506.7246
Area 2.3824096922543E+16

Sphere

Radius = n
Volume 2.766231172864E+24
Surface area 9.5296387690173E+16
Circumference 547158506.7246

Square

Length = n
Perimeter 348331924
Area 7583445579846361
Diagonal 123153932.78208

Cube

Length = n
Surface area 45500673479078166
Volume 6.6038904734429E+23
Space diagonal 150832147.56656

Equilateral Triangle

Length = n
Perimeter 261248943
Area 3.2837282601819E+15
Altitude 75416073.783278

Triangular Pyramid

Length = n
Surface area 3.2837282601819E+15
Volume 7.7827595599746E+22
Height 41051310.92736