87966981 (number)

87966981 is an odd 8-digits composite number following 87966980 and preceding 87966982. In scientific notation, it is written as 8.7966981 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 58506624 positive integers (up to 87966981) that are relatively prime to 87966981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7966981 × 10^7
Engineering notation 8.7966981 × 10^6

Prime Factorization of 87966981

Prime Factorization 9 × 433 × 22573

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87966981
Product of the distinct prime numbers

The prime factorization of 87966981 is 9 × 433 × 22573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87966981)

Multiplication

n×y
n×2 175933962
n×3 263900943
n×4 351867924
n×5 439834905

Division

n÷y
n÷2 43983490.5
n÷3 29322327
n÷3 21991745.25
n÷5 17593396.2

Exponentiation

ny
n2 7738189746254361
n3 6.8070519038315E+23
n4 5.9879580549036E+31
n5 5.267425924445E+39

Nth Root

y√n
2√n 9379.0714359152
3√n 444.74037964037
4√n 96.845606177643
5√n 38.802877925822

Divisors of 87966981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87966980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87966981 can be divided by 8 positive divisors. The sum of these divisors (counting 87966981) is 1, the average is 0.125.

Base conversion 87966981

Base System Value
2 Binary 101001111100100010100000101
3 Ternary 20010112012000100
4 Quaternary 11033210110011
5 Quinary 140004420411
6 Senary 12421234313
8 Octal 517442405
10 Decimal 87966981
12 Duodecimal 25562999
16 Hexadecimal 53e4505
20 Vigesimal 179fh91
36 Base36 1gdfr9

Cryptographic Hash Functions

md5 5677b90d55bdca59e44a34f948952ffc
sha1 6cd14e603c51bdfa000a36912da8ef5af2c0354e
sha256 d211696cb9bff30cb8133b8337bb9466d2b7104d4717282d5d4f33a05e7eaf83
sha512 7c3c323b21b1aa7adbc2a06f8e64c3bcd6103924f339af7bd7b3d0a21c96cb4fd227fd5bc0f8f7390ef0787956fcaf32ab9cf40903abf13d4540594259958964
ripemd-160 a39e0eaba9323f90ed3fe3323bb9909999ff19ac

87966981 as geometric shapes

Circle

Radius = n
Diameter 175933962
Circumference 552712842.53615
Area 2.4310240058917E+16

Sphere

Radius = n
Volume 2.8513312338242E+24
Surface area 9.7240960235666E+16
Circumference 552712842.53615

Square

Length = n
Perimeter 351867924
Area 7738189746254361
Diagonal 124404097.57122

Cube

Length = n
Surface area 46429138477526166
Volume 6.8070519038315E+23
Space diagonal 152363280.48045

Equilateral Triangle

Length = n
Perimeter 263900943
Area 3.3507344497803E+15
Altitude 76181640.240223

Triangular Pyramid

Length = n
Surface area 3.3507344497803E+15
Volume 8.0221876018134E+22
Height 41468032.523739