81738512 (number)

81738512 is an even 8-digits composite number following 81738511 and preceding 81738513. In scientific notation, it is written as 8.1738512 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 10 positive divisors. There are 40869248 positive integers (up to 81738512) that are relatively prime to 81738512.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand five hundred twelve

Notation

Scientific notation 8.1738512 × 10^7
Engineering notation 8.1738512 × 10^6

Prime Factorization of 81738512

Prime Factorization 2 × 2 × 2 × 2 × 5108657

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10217314
Product of the distinct prime numbers

The prime factorization of 81738512 is 2 × 2 × 2 × 2 × 5108657. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 4, 84, 142, 805, 2193, 6823, 17349, 61380, 937356, 490729, 402848, 123745, 801396, 65902616, 460286242, 885446824, 6716599443, 8939118722

Basic calculations (n = 81738512)

Multiplication

n×y
n×2 163477024
n×3 245215536
n×4 326954048
n×5 408692560

Division

n÷y
n÷2 40869256
n÷3 27246170.666667
n÷3 20434628
n÷5 16347702.4

Exponentiation

ny
n2 6681184343974144
n3 5.4611006667414E+23
n4 4.4638224238165E+31
n5 3.64866202755E+39

Nth Root

y√n
2√n 9040.9353498407
3√n 433.98585610854
4√n 95.083833272753
5√n 38.237135097363

Divisors of 81738512

1, 2, 4, 8, 16, 5108657, 10217314, 20434628, 40869256, 81738512

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738511
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738512 can be divided by 10 positive divisors. The sum of these divisors (counting 81738512) is 1, the average is 0.1.

Base conversion 81738512

Base System Value
2 Binary 100110111110011101100010000
3 Ternary 12200210202011022
4 Quaternary 10313303230100
5 Quinary 131411113022
6 Senary 12035535012
8 Octal 467635420
10 Decimal 81738512
12 Duodecimal 2345a468
16 Hexadecimal 4df3b10
20 Vigesimal 15ah65c
36 Base36 1cnxu8

Cryptographic Hash Functions

md5 b020abd89699eb796b16ed250d3c4509
sha1 111164ddf0015979c4793ea211d6e42ee9666d0c
sha256 e02e1c3c4f20641fb39e4f455f58236e505b415b76dbbfa63b5b40cf6817f943
sha512 83ba4f7996ec787c3525e08fda86f1cfdf3a3a9310ee510492bfc4b3e36dc7df38e5cb8d89f1086958074deb7d3272d6e9f397912868fd2a1a51dc2b571b235f
ripemd-160 56447902bc6f123aa489c5c246f98aafed265a58

81738512 as geometric shapes

Circle

Radius = n
Diameter 163477024
Circumference 513578217.62912
Area 2.0989559652308E+16

Sphere

Radius = n
Volume 2.2875404980199E+24
Surface area 8.3958238609233E+16
Circumference 513578217.62912

Square

Length = n
Perimeter 326954048
Area 6681184343974144
Diagonal 115595712.2386

Cube

Length = n
Surface area 40087106063844864
Volume 5.4611006667414E+23
Space diagonal 141575255.71908

Equilateral Triangle

Length = n
Perimeter 245215536
Area 2.8930376846242E+15
Altitude 70787627.859539

Triangular Pyramid

Length = n
Surface area 2.8930376846242E+15
Volume 6.4359688569921E+22
Height 38531904.079532