81750984 (number)

81750984 is an even 8-digits composite number following 81750983 and preceding 81750985. In scientific notation, it is written as 8.1750984 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 23284800 positive integers (up to 81750984) that are relatively prime to 81750984.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred fifty thousand nine hundred eighty-four

Notation

Scientific notation 8.1750984 × 10^7
Engineering notation 8.1750984 × 10^6

Prime Factorization of 81750984

Prime Factorization 2 × 2 × 2 × 3 × 7 × 463 × 1051

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20437746
Product of the distinct prime numbers

The prime factorization of 81750984 is 2 × 2 × 2 × 3 × 7 × 463 × 1051. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 6, 44, 47, 46, 95, 7425, 8412, 37838, 10297, 586161, 856681, 6994086, 5713662, 15562063, 98019366, 763315445, 716294476, 7681717947, 9157179475

Basic calculations (n = 81750984)

Multiplication

n×y
n×2 163501968
n×3 245252952
n×4 327003936
n×5 408754920

Division

n÷y
n÷2 40875492
n÷3 27250328
n÷3 20437746
n÷5 16350196.8

Exponentiation

ny
n2 6683223384968256
n3 5.4636008801297E+23
n4 4.4665474813387E+31
n5 3.6514465168216E+39

Nth Root

y√n
2√n 9041.6250751732
3√n 434.00792810452
4√n 95.087460136304
5√n 38.238301902173

Divisors of 81750984

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 463, 926, 1051, 1389, 1852, 2102, 2778, 3153, 3241, 3704, 4204, 5556, 6306, 6482, 7357, 8408, 9723, 11112, 12612, 12964, 14714, 19446, 22071, 25224, 25928, 29428, 38892, 44142, 58856, 77784, 88284, 176568, 486613, 973226, 1459839, 1946452, 2919678, 3406291, 3892904, 5839356, 6812582, 10218873, 11678712, 13625164, 20437746, 27250328, 40875492, 81750984

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81750983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81750984 can be divided by 64 positive divisors. The sum of these divisors (counting 81750984) is 1, the average is 0.015625.

Base conversion 81750984

Base System Value
2 Binary 100110111110110101111001000
3 Ternary 12200211101021020
4 Quaternary 10313312233020
5 Quinary 131412012414
6 Senary 12040112440
8 Octal 467665710
10 Decimal 81750984
12 Duodecimal 23465720
16 Hexadecimal 4df6bc8
20 Vigesimal 15aih94
36 Base36 1co7go

Cryptographic Hash Functions

md5 e9d527c8dcb84f7d8cdd93497bbeda97
sha1 dc997cc1820810c7566a0b97dff5dde8433e0872
sha256 bb7bb83eb51a4610f8da929b4dcc82ec2c999ed90de4330930db2d540342304a
sha512 7ae2e42a59a8759f507d31edc2db286cf2bce60a23dcff7640a6cc09958cfe0bafdc68bbcc6b8e31a02f4fbf4e28386767ad04b79f14acfb4aba6068a5438c21
ripemd-160 509acd861586814f63234eb2f181122e4891a7ee

81750984 as geometric shapes

Circle

Radius = n
Diameter 163501968
Circumference 513656581.51627
Area 2.0995965488516E+16

Sphere

Radius = n
Volume 2.2885877849549E+24
Surface area 8.3983861954063E+16
Circumference 513656581.51627

Square

Length = n
Perimeter 327003936
Area 6683223384968256
Diagonal 115613350.31015

Cube

Length = n
Surface area 40099340309809536
Volume 5.4636008801297E+23
Space diagonal 141596857.85675

Equilateral Triangle

Length = n
Perimeter 245252952
Area 2.8939206152744E+15
Altitude 70798428.928375

Triangular Pyramid

Length = n
Surface area 2.8939206152744E+15
Volume 6.4389153867275E+22
Height 38537783.436715