81497776 (number)

81497776 is an even 8-digits composite number following 81497775 and preceding 81497777. In scientific notation, it is written as 8.1497776 × 10^7. The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors. There are 40174400 positive integers (up to 81497776) that are relatively prime to 81497776.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497776 × 10^7
Engineering notation 8.1497776 × 10^6

Prime Factorization of 81497776

Prime Factorization 2 × 2 × 2 × 2 × 71 × 71741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10187222
Product of the distinct prime numbers

The prime factorization of 81497776 is 2 × 2 × 2 × 2 × 71 × 71741. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 9, 83, 209, 804, 7655, 9424, 22247, 56731, 506601, 341866, 8480570, 1401166, 79960740, 87470213, 908306058, 45118648, 1861977361, 6223449373

Basic calculations (n = 81497776)

Multiplication

n×y
n×2 162995552
n×3 244493328
n×4 325991104
n×5 407488880

Division

n÷y
n÷2 40748888
n÷3 27165925.333333
n÷3 20374444
n÷5 16299555.2

Exponentiation

ny
n2 6641887492946176
n3 5.4129905911733E+23
n4 4.4114669468955E+31
n5 3.5952474506949E+39

Nth Root

y√n
2√n 9027.6118658259
3√n 433.55937923683
4√n 95.013745667803
5√n 38.214585339088

Divisors of 81497776

1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71741, 143482, 286964, 573928, 1147856, 5093611, 10187222, 20374444, 40748888, 81497776

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497775
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497776 can be divided by 20 positive divisors. The sum of these divisors (counting 81497776) is 1, the average is 0.05.

Base conversion 81497776

Base System Value
2 Binary 100110110111000111010110000
3 Ternary 12200100111221011
4 Quaternary 10312320322300
5 Quinary 131330412101
6 Senary 12030440304
8 Octal 466707260
10 Decimal 81497776
12 Duodecimal 23363094
16 Hexadecimal 4db8eb0
20 Vigesimal 159748g
36 Base36 1cis34

Cryptographic Hash Functions

md5 877daad1a8a1409c3ba7d03f80550c54
sha1 de1086426b46e1b46bc1d6ff65cd4b81b5e2142f
sha256 de036bc78c41058ab35ae71e4b8e2c94caeeb8f596c9fcb72836fea2d2593155
sha512 0a572d92b4e27efeae3888a80a8f0702931d62db3c1f9efc21892722d30206ea8eb386ba148a8c38ec59fdeee6122e0d5eb8f192c30f66d1c45f332512c9eec2
ripemd-160 e8bd0ddd398948f92e56e27d8a82e0cff7d9c9ab

81497776 as geometric shapes

Circle

Radius = n
Diameter 162995552
Circumference 512065628.73101
Area 2.086610495381E+16

Sphere

Radius = n
Volume 2.2673881966908E+24
Surface area 8.3464419815239E+16
Circumference 512065628.73101

Square

Length = n
Perimeter 325991104
Area 6641887492946176
Diagonal 115255260.12244

Cube

Length = n
Surface area 39851324957677056
Volume 5.4129905911733E+23
Space diagonal 141158288.73587

Equilateral Triangle

Length = n
Perimeter 244493328
Area 2.8760216489848E+15
Altitude 70579144.367934

Triangular Pyramid

Length = n
Surface area 2.8760216489848E+15
Volume 6.379270589196E+22
Height 38418420.040815