81497338 (number)

81497338 is an even 8-digits composite number following 81497337 and preceding 81497339. In scientific notation, it is written as 8.1497338 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors. There are 36827136 positive integers (up to 81497338) that are relatively prime to 81497338.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497338 × 10^7
Engineering notation 8.1497338 × 10^6

Prime Factorization of 81497338

Prime Factorization 2 × 13 × 149 × 193 × 109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81497338
Product of the distinct prime numbers

The prime factorization of 81497338 is 2 × 13 × 149 × 193 × 109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 33, 63, 709, 727, 3604, 383, 96289, 45328, 949187, 789978, 3415141, 8704651, 85991553, 39520437, 206531718, 620671068, 3510538026, 1296121509

Basic calculations (n = 81497338)

Multiplication

n×y
n×2 162994676
n×3 244492014
n×4 325989352
n×5 407486690

Division

n÷y
n÷2 40748669
n÷3 27165779.333333
n÷3 20374334.5
n÷5 16299467.6

Exponentiation

ny
n2 6641816101086244
n3 5.4129033172407E+23
n4 4.4113721120648E+31
n5 3.5951508406072E+39

Nth Root

y√n
2√n 9027.5876068859
3√n 433.55860253118
4√n 95.013618007557
5√n 38.214544263061

Divisors of 81497338

1, 2, 13, 26, 109, 149, 193, 218, 298, 386, 1417, 1937, 2509, 2834, 3874, 5018, 16241, 21037, 28757, 32482, 42074, 57514, 211133, 273481, 373841, 422266, 546962, 747682, 3134513, 6269026, 40748669, 81497338

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 -81497337
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 81497338 can be divided by 32 positive divisors. The sum of these divisors (counting 81497338) is 1, the average is 0.03125.

Base conversion 81497338

Base System Value
2 Binary 100110110111000110011111010
3 Ternary 12200100111022221
4 Quaternary 10312320303322
5 Quinary 131330403323
6 Senary 12030434254
8 Octal 466706372
10 Decimal 81497338
12 Duodecimal 2336298a
16 Hexadecimal 4db8cfa
20 Vigesimal 159736i
36 Base36 1cirqy

Cryptographic Hash Functions

md5 79a1ffbcbefcec86b5c0fbc7cc48aeb1
sha1 29a32943eddd8341a3bb5084153aa685fb1db191
sha256 05d3ac0f8d91fbc666dcea1b48e83e4f58f7790392084d8651ec138c4804c723
sha512 87bf679f6aabe8e43e667b60903c1364fa80c22db80f1b356480611236752306b7df3de111cae99c6480037aeec59fc620231a3c09f3e1e0cb5d7d8adcfe93aa
ripemd-160 5a8edd723381f36d6d0139127a6990fcc15c1c47

81497338 as geometric shapes

Circle

Radius = n
Diameter 162994676
Circumference 512062876.69585
Area 2.0865880669667E+16

Sphere

Radius = n
Volume 2.2673516394714E+24
Surface area 8.3463522678668E+16
Circumference 512062876.69585

Square

Length = n
Perimeter 325989352
Area 6641816101086244
Diagonal 115254640.6969

Cube

Length = n
Surface area 39850896606517464
Volume 5.4129033172407E+23
Space diagonal 141157530.09761

Equilateral Triangle

Length = n
Perimeter 244492014
Area 2.8759907354026E+15
Altitude 70578765.048807

Triangular Pyramid

Length = n
Surface area 2.8759907354026E+15
Volume 6.3791677358801E+22
Height 38418213.565635