81344488 (number)

81344488 is an even 8-digits composite number following 81344487 and preceding 81344489. In scientific notation, it is written as 8.1344488 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 8 positive divisors. There are 40672240 positive integers (up to 81344488) that are relatively prime to 81344488.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-four thousand four hundred eighty-eight

Notation

Scientific notation 8.1344488 × 10^7
Engineering notation 8.1344488 × 10^6

Prime Factorization of 81344488

Prime Factorization 2 × 2 × 2 × 10168061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20336122
Product of the distinct prime numbers

The prime factorization of 81344488 is 2 × 2 × 2 × 10168061. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81344488)

Multiplication

n×y
n×2 162688976
n×3 244033464
n×4 325377952
n×5 406722440

Division

n÷y
n÷2 40672244
n÷3 27114829.333333
n÷3 20336122
n÷5 16268897.6

Exponentiation

ny
n2 6616925727982144
n3 5.3825043547673E+23
n4 4.3783706089632E+31
n5 3.5615631546036E+39

Nth Root

y√n
2√n 9019.1179169584
3√n 433.2873834249
4√n 94.969036622251
5√n 38.20019905815

Divisors of 81344488

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81344487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81344488 can be divided by 8 positive divisors. The sum of these divisors (counting 81344488) is 1, the average is 0.125.

Base conversion 81344488

Base System Value
2 Binary 100110110010011011111101000
3 Ternary 12200001201122211
4 Quaternary 10312103133220
5 Quinary 131311010423
6 Senary 12023254504
8 Octal 466233750
10 Decimal 81344488
12 Duodecimal 232aa434
16 Hexadecimal 4d937e8
20 Vigesimal 1588148
36 Base36 1cfht4

Cryptographic Hash Functions

md5 282eb8cbb2a706ba35950579c0e711bb
sha1 9a99d019f4683c961c908fd39c158ec157669d79
sha256 014efab36bc2e6e602cdf439a7db087f10fb77906714397ed94b3bc7bce653f0
sha512 15f47b4dbcb7077bd05d385bd3ecfc5edb43f71515079cfc97ab32a2ec385a0fb6737257704d6c9101ef87f1570ad848bb2b799625b93e74f1f4ed24dc3fd5ab
ripemd-160 0999ef8cc96ef8679690d5386e878583eff6a5ef

81344488 as geometric shapes

Circle

Radius = n
Diameter 162688976
Circumference 511102491.82165
Area 2.0787685256378E+16

Sphere

Radius = n
Volume 2.254618151847E+24
Surface area 8.3150741025512E+16
Circumference 511102491.82165

Square

Length = n
Perimeter 325377952
Area 6616925727982144
Diagonal 115038478.1539

Cube

Length = n
Surface area 39701554367892864
Volume 5.3825043547673E+23
Space diagonal 140892786.13168

Equilateral Triangle

Length = n
Perimeter 244033464
Area 2.8652128876937E+15
Altitude 70446393.065838

Triangular Pyramid

Length = n
Surface area 2.8652128876937E+15
Volume 6.3433422150369E+22
Height 38346159.384632