81494798 (number)

81494798 is an even 8-digits composite number following 81494797 and preceding 81494799. In scientific notation, it is written as 8.1494798 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 32 positive divisors. There are 30974400 positive integers (up to 81494798) that are relatively prime to 81494798.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-four thousand seven hundred ninety-eight

Notation

Scientific notation 8.1494798 × 10^7
Engineering notation 8.1494798 × 10^6

Prime Factorization of 81494798

Prime Factorization 2 × 7 × 11 × 41 × 12907

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81494798
Product of the distinct prime numbers

The prime factorization of 81494798 is 2 × 7 × 11 × 41 × 12907. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 24, 21, 603, 486, 4370, 4266, 88286, 69421, 297227, 743429, 8322497, 8725735, 68912032, 6503728, 437343306, 747467906, 958241314, 4769974551

Basic calculations (n = 81494798)

Multiplication

n×y
n×2 162989596
n×3 244484394
n×4 325979192
n×5 407473990

Division

n÷y
n÷2 40747399
n÷3 27164932.666667
n÷3 20373699.5
n÷5 16298959.6

Exponentiation

ny
n2 6641402101060804
n3 5.4123972266273E+23
n4 4.4108221867975E+31
n5 3.5945906312698E+39

Nth Root

y√n
2√n 9027.4469259032
3√n 433.55409829289
4√n 95.012877684571
5√n 38.214306056133

Divisors of 81494798

1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 287, 451, 574, 902, 3157, 6314, 12907, 25814, 90349, 141977, 180698, 283954, 529187, 993839, 1058374, 1987678, 3704309, 5821057, 7408618, 11642114, 40747399, 81494798

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81494797
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81494798 can be divided by 32 positive divisors. The sum of these divisors (counting 81494798) is 1, the average is 0.03125.

Base conversion 81494798

Base System Value
2 Binary 100110110111000001100001110
3 Ternary 12200100100211212
4 Quaternary 10312320030032
5 Quinary 131330313143
6 Senary 12030414422
8 Octal 466701416
10 Decimal 81494798
12 Duodecimal 23361412
16 Hexadecimal 4db830e
20 Vigesimal 1596gji
36 Base36 1cipse

Cryptographic Hash Functions

md5 d4040ab3a46b7ff611308e28d8ed0e49
sha1 5a714720605700964442a1584a69a8ce1b0c01e9
sha256 86566a58efb7809916f35389c99134d95a74a7489caa9031df0fe833f9f0abe0
sha512 22da82374f69c02f914d239a1ad7c8715643aa94e797df12b6b42b79563df5aba59a6dd884441b1c87f556e274b402f1701a17bc7bda5ba0fa27d5ba0eab7d04
ripemd-160 5a57a0acf1023bb06de21a7a00b1ad8d6003b3ee

81494798 as geometric shapes

Circle

Radius = n
Diameter 162989596
Circumference 512046917.40517
Area 2.0864580050228E+16

Sphere

Radius = n
Volume 2.2671396487309E+24
Surface area 8.3458320200914E+16
Circumference 512046917.40517

Square

Length = n
Perimeter 325979192
Area 6641402101060804
Diagonal 115251048.59446

Cube

Length = n
Surface area 39848412606364824
Volume 5.4123972266273E+23
Space diagonal 141153130.68856

Equilateral Triangle

Length = n
Perimeter 244484394
Area 2.875811468133E+15
Altitude 70576565.344281

Triangular Pyramid

Length = n
Surface area 2.875811468133E+15
Volume 6.3785713023723E+22
Height 38417016.198152