81698045 (number)

81698045 is an odd 8-digits composite number following 81698044 and preceding 81698046. In scientific notation, it is written as 8.1698045 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors. There are 54432000 positive integers (up to 81698045) that are relatively prime to 81698045.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred ninety-eight thousand forty-five

Notation

Scientific notation 8.1698045 × 10^7
Engineering notation 8.1698045 × 10^6

Prime Factorization of 81698045

Prime Factorization 11 × 13 × 5 × 701 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81698045
Product of the distinct prime numbers

The prime factorization of 81698045 is 11 × 13 × 5 × 701 × 163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 3, 48, 73, 34, 366, 4698, 2243, 3373, 28657, 612385, 137695, 5997466, 7014853, 46756544, 59124102, 754379611, 223982192, 8320887953, 8066678404

Basic calculations (n = 81698045)

Multiplication

n×y
n×2 163396090
n×3 245094135
n×4 326792180
n×5 408490225

Division

n÷y
n÷2 40849022.5
n÷3 27232681.666667
n÷3 20424511.25
n÷5 16339609

Exponentiation

ny
n2 6674570556822025
n3 5.4529936570692E+23
n4 4.4549892117995E+31
n5 3.6396390910011E+39

Nth Root

y√n
2√n 9038.6970853105
3√n 433.91422522849
4√n 95.072062591018
5√n 38.2333482688

Divisors of 81698045

1, 5, 11, 13, 55, 65, 143, 163, 701, 715, 815, 1793, 2119, 3505, 7711, 8965, 9113, 10595, 23309, 38555, 45565, 100243, 114263, 116545, 501215, 571315, 1256893, 1485419, 6284465, 7427095, 16339609, 81698045

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 -81698044
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 81698045 can be divided by 32 positive divisors. The sum of these divisors (counting 81698045) is 1, the average is 0.03125.

Base conversion 81698045

Base System Value
2 Binary 100110111101001110011111101
3 Ternary 12200201200122112
4 Quaternary 10313221303331
5 Quinary 131403314140
6 Senary 12035023405
8 Octal 467516375
10 Decimal 81698045
12 Duodecimal 2343ab65
16 Hexadecimal 4de9cfd
20 Vigesimal 15ac525
36 Base36 1cn2m5

Cryptographic Hash Functions

md5 3f61f9d836bb1a06d4e035bab5cf82e8
sha1 4749b0227eb9ff125ddd331dee6e5a805ae415fc
sha256 e14579dd3ed8f42815e273597a4e9193c2d49f5d44c0078b9b0cc836dd15e129
sha512 6c673552b4c3194e5694efff49b8b359cf1cc2b9443b63db05eb0a628542735f4bd09f582009b2741cd446393220cc2b8bc884daf54dd4bac4473e00b48c50ab
ripemd-160 9a5a6baa84ebeeea79b7b07a50990a0a3ab1e3eb

81698045 as geometric shapes

Circle

Radius = n
Diameter 163396090
Circumference 513323955.9693
Area 2.0968781827179E+16

Sphere

Radius = n
Volume 2.2841446417494E+24
Surface area 8.3875127308715E+16
Circumference 513323955.9693

Square

Length = n
Perimeter 326792180
Area 6674570556822025
Diagonal 115538483.25837

Cube

Length = n
Surface area 40047423340932150
Volume 5.4529936570692E+23
Space diagonal 141505164.81905

Equilateral Triangle

Length = n
Perimeter 245094135
Area 2.8901738307798E+15
Altitude 70752582.409524

Triangular Pyramid

Length = n
Surface area 2.8901738307798E+15
Volume 6.4264146544681E+22
Height 38512827.752789