81506710 (number)

81506710 is an even 8-digits composite number following 81506709 and preceding 81506711. In scientific notation, it is written as 8.1506710 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 31185088 positive integers (up to 81506710) that are relatively prime to 81506710.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred six thousand seven hundred ten

Notation

Scientific notation 8.1506710 × 10^7
Engineering notation 8.1506710 × 10^6

Prime Factorization of 81506710

Prime Factorization 2 × 5 × 23 × 354377

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81506710
Product of the distinct prime numbers

The prime factorization of 81506710 is 2 × 5 × 23 × 354377. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81506710)

Multiplication

n×y
n×2 163013420
n×3 244520130
n×4 326026840
n×5 407533550

Division

n÷y
n÷2 40753355
n÷3 27168903.333333
n÷3 20376677.5
n÷5 16301342

Exponentiation

ny
n2 6643343775024100
n3 5.4147709450119E+23
n4 4.4134016513151E+31
n5 3.5972184850726E+39

Nth Root

y√n
2√n 9028.1066675134
3√n 433.5752212968
4√n 95.016349474779
5√n 38.215423138971

Divisors of 81506710

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 -81506709
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 81506710 can be divided by 16 positive divisors. The sum of these divisors (counting 81506710) is 1, the average is 0.0625.

Base conversion 81506710

Base System Value
2 Binary 100110110111011000110010110
3 Ternary 12200100222012001
4 Quaternary 10312323012112
5 Quinary 131331203320
6 Senary 12030545514
8 Octal 466730626
10 Decimal 81506710
12 Duodecimal 2336829a
16 Hexadecimal 4dbb196
20 Vigesimal 15986fa
36 Base36 1ciyza

Cryptographic Hash Functions

md5 7897876ab628a00d142c74a7a9cfb44a
sha1 162624aad4f0f144bb01e5f2c716472b388aff97
sha256 4a49675398738ad352f6ed818f3fae4a1cfef78fbbd5d014357806242d643e69
sha512 4679ba918e2b4f09b9db41d695acd6c7c39f6b466bda78b8161d5366efef0577cdea944453fea018d9631a7bbd31cfec0a8ec516bfbafe12bd7a807b315c03f5
ripemd-160 a0f8385d4a24510ffc452cca6009077d20d9c101

81506710 as geometric shapes

Circle

Radius = n
Diameter 163013420
Circumference 512121762.70855
Area 2.0870679998887E+16

Sphere

Radius = n
Volume 2.2681339495628E+24
Surface area 8.3482719995549E+16
Circumference 512121762.70855

Square

Length = n
Perimeter 326026840
Area 6643343775024100
Diagonal 115267894.70641

Cube

Length = n
Surface area 39860062650144600
Volume 5.4147709450119E+23
Space diagonal 141173762.87778

Equilateral Triangle

Length = n
Perimeter 244520130
Area 2.876652237622E+15
Altitude 70586881.438891

Triangular Pyramid

Length = n
Surface area 2.876652237622E+15
Volume 6.3813687563164E+22
Height 38422631.568804