81496738 (number)

81496738 is an even 8-digits composite number following 81496737 and preceding 81496739. In scientific notation, it is written as 8.1496738 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 38548656 positive integers (up to 81496738) that are relatively prime to 81496738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1496738 × 10^7
Engineering notation 8.1496738 × 10^6

Prime Factorization of 81496738

Prime Factorization 2 × 19 × 1087 × 1973

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81496738
Product of the distinct prime numbers

The prime factorization of 81496738 is 2 × 19 × 1087 × 1973. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 15, 97, 333, 690, 6050, 574, 22968, 11565, 886521, 530012, 9506116, 3501906, 68967646, 92757823, 81190992, 449388856, 8504356687, 6302787228

Basic calculations (n = 81496738)

Multiplication

n×y
n×2 162993476
n×3 244490214
n×4 325986952
n×5 407483690

Division

n÷y
n÷2 40748369
n÷3 27165579.333333
n÷3 20374184.5
n÷5 16299347.6

Exponentiation

ny
n2 6641718304640644
n3 5.412783765431E+23
n4 4.4112422038199E+31
n5 3.5950185013925E+39

Nth Root

y√n
2√n 9027.5543753555
3√n 433.55753854633
4√n 95.013443129672
5√n 38.214487994243

Divisors of 81496738

1, 2, 19, 38, 1087, 1973, 2174, 3946, 20653, 37487, 41306, 74974, 2144651, 4289302, 40748369, 81496738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81496737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81496738 can be divided by 16 positive divisors. The sum of these divisors (counting 81496738) is 1, the average is 0.0625.

Base conversion 81496738

Base System Value
2 Binary 100110110111000101010100010
3 Ternary 12200100110111201
4 Quaternary 10312320222202
5 Quinary 131330343423
6 Senary 12030431414
8 Octal 466705242
10 Decimal 81496738
12 Duodecimal 2336256a
16 Hexadecimal 4db8aa2
20 Vigesimal 15971gi
36 Base36 1ciraa

Cryptographic Hash Functions

md5 456501c2df0e5bc7db61f4edaedcebf5
sha1 70059fb7ce7cb0abb274cbdd1142d3b01e05562b
sha256 c6de890872e97b3c23d4eac6b5dd489dbeccc3d4513b9aff428d1a27c5714c5a
sha512 4f2c064d23fc93ba9183c2dea99bf888a48cd9c59da6cd839c7a36256839bbb3ab8887c85eeecac9384aaf7270f42bcbe549724f2a2f1fbb84584ed4331c92b7
ripemd-160 b4191917a4e3ec3bdc5c0cde4b477034ea33882d

81496738 as geometric shapes

Circle

Radius = n
Diameter 162993476
Circumference 512059106.78466
Area 2.0865573433072E+16

Sphere

Radius = n
Volume 2.2673015617264E+24
Surface area 8.3462293732288E+16
Circumference 512059106.78466

Square

Length = n
Perimeter 325986952
Area 6641718304640644
Diagonal 115253792.16877

Cube

Length = n
Surface area 39850309827843864
Volume 5.412783765431E+23
Space diagonal 141156490.86713

Equilateral Triangle

Length = n
Perimeter 244490214
Area 2.8759483882995E+15
Altitude 70578245.433565

Triangular Pyramid

Length = n
Surface area 2.8759483882995E+15
Volume 6.3790268427212E+22
Height 38417930.722922