81140984 (number)

81140984 is an even 8-digits composite number following 81140983 and preceding 81140985. In scientific notation, it is written as 8.1140984 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 40570488 positive integers (up to 81140984) that are relatively prime to 81140984.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred forty thousand nine hundred eighty-four

Notation

Scientific notation 8.1140984 × 10^7
Engineering notation 8.1140984 × 10^6

Prime Factorization of 81140984

Prime Factorization 2 × 2 × 2 × 10142623

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20285246
Product of the distinct prime numbers

The prime factorization of 81140984 is 2 × 2 × 2 × 10142623. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81140984)

Multiplication

n×y
n×2 162281968
n×3 243422952
n×4 324563936
n×5 405704920

Division

n÷y
n÷2 40570492
n÷3 27046994.666667
n÷3 20285246
n÷5 16228196.8

Exponentiation

ny
n2 6583859284488256
n3 5.3422082086091E+23
n4 4.3347203077942E+31
n5 3.5172347113921E+39

Nth Root

y√n
2√n 9007.8290392303
3√n 432.92575535983
4√n 94.909583495189
5√n 38.181066392743

Divisors of 81140984

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 -81140983
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 81140984 can be divided by 8 positive divisors. The sum of these divisors (counting 81140984) is 1, the average is 0.125.

Base conversion 81140984

Base System Value
2 Binary 100110101100001110011111000
3 Ternary 12122200101111122
4 Quaternary 10311201303320
5 Quinary 131233002414
6 Senary 12015044412
8 Octal 465416370
10 Decimal 81140984
12 Duodecimal 23210708
16 Hexadecimal 4d61cf8
20 Vigesimal 1572c94
36 Base36 1cb4s8

Cryptographic Hash Functions

md5 32a534d7034fc5bab0609efe5cba9b31
sha1 375f86c49d67656b49b14596c7b6a1c085bdbd31
sha256 3bf208be69031499301dd2dee00d485e71254a52383d6586e3b6074ff7010966
sha512 2dfd45c96e9e8dc4dbbf420cc39cc348fc86fc07ad737912d4a3ed33da37d0b8d5b6d2839bbe928d659fcc3e92cc020cfcbb76221fce02cf70a759007812ed65
ripemd-160 2a2b5ccb88a847f0d458271aec3d89fe3fc2664e

81140984 as geometric shapes

Circle

Radius = n
Diameter 162281968
Circumference 509823838.47889
Area 2.0683803960417E+16

Sphere

Radius = n
Volume 2.2377389416151E+24
Surface area 8.2735215841669E+16
Circumference 509823838.47889

Square

Length = n
Perimeter 324563936
Area 6583859284488256
Diagonal 114750680.0371

Cube

Length = n
Surface area 39503155706929536
Volume 5.3422082086091E+23
Space diagonal 140540306.86413

Equilateral Triangle

Length = n
Perimeter 243422952
Area 2.8508946976544E+15
Altitude 70270153.432067

Triangular Pyramid

Length = n
Surface area 2.8508946976544E+15
Volume 6.2958527513633E+22
Height 38250226.679033