81494876 (number)

81494876 is an even 8-digits composite number following 81494875 and preceding 81494877. In scientific notation, it is written as 8.1494876 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 38602800 positive integers (up to 81494876) that are relatively prime to 81494876.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-four thousand eight hundred seventy-six

Notation

Scientific notation 8.1494876 × 10^7
Engineering notation 8.1494876 × 10^6

Prime Factorization of 81494876

Prime Factorization 2 × 2 × 19 × 1072301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40747438
Product of the distinct prime numbers

The prime factorization of 81494876 is 2 × 2 × 19 × 1072301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 89, 17, 759, 381, 1385, 7568, 44859, 38147, 959290, 799512, 5585867, 2177548, 41298005, 17789127, 600366255, 964871443, 5436126, 1117779032

Basic calculations (n = 81494876)

Multiplication

n×y
n×2 162989752
n×3 244484628
n×4 325979504
n×5 407474380

Division

n÷y
n÷2 40747438
n÷3 27164958.666667
n÷3 20373719
n÷5 16298975.2

Exponentiation

ny
n2 6641414814255376
n3 5.412412767523E+23
n4 4.4108390735011E+31
n5 3.5946078335093E+39

Nth Root

y√n
2√n 9027.4512460605
3√n 433.55423661342
4√n 95.012900419156
5√n 38.214313371237

Divisors of 81494876

1, 2, 4, 19, 38, 76, 1072301, 2144602, 4289204, 20373719, 40747438, 81494876

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81494875
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81494876 can be divided by 12 positive divisors. The sum of these divisors (counting 81494876) is 1, the average is 0.083333333333333.

Base conversion 81494876

Base System Value
2 Binary 100110110111000001101011100
3 Ternary 12200100100221202
4 Quaternary 10312320031130
5 Quinary 131330314001
6 Senary 12030415032
8 Octal 466701534
10 Decimal 81494876
12 Duodecimal 23361478
16 Hexadecimal 4db835c
20 Vigesimal 1596h3g
36 Base36 1cipuk

Cryptographic Hash Functions

md5 df4bd6d42e111fa3cae3ec2ee8bf2149
sha1 556bbfbab89075426911e6f54145a588bcd4d4be
sha256 9cfb4e54ef7c5f1f8a27daf3b4d70e2fc5c08c7b649b66e8feca5a3f658ccd17
sha512 660d155ed0e0e28082cdc0f5115d521e5111bb236612e79273702fd737ad7440e38b55d9c6fb7f75df54a9606953206bcab97e6d2509be2d7137fc162250bc35
ripemd-160 7fbcbb2b3c77603df190534420eb32d502fb0f55

81494876 as geometric shapes

Circle

Radius = n
Diameter 162989752
Circumference 512047407.49362
Area 2.0864619989907E+16

Sphere

Radius = n
Volume 2.2671461584861E+24
Surface area 8.3458479959628E+16
Circumference 512047407.49362

Square

Length = n
Perimeter 325979504
Area 6641414814255376
Diagonal 115251158.90311

Cube

Length = n
Surface area 39848488885532256
Volume 5.412412767523E+23
Space diagonal 141153265.78853

Equilateral Triangle

Length = n
Perimeter 244484628
Area 2.8758169731077E+15
Altitude 70576632.894263

Triangular Pyramid

Length = n
Surface area 2.8758169731077E+15
Volume 6.3785896174937E+22
Height 38417052.967705