85186721 (number)

85186721 is an odd 8-digits composite number following 85186720 and preceding 85186722. In scientific notation, it is written as 8.5186721 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 84967344 positive integers (up to 85186721) that are relatively prime to 85186721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.5186721 × 10^7
Engineering notation 8.5186721 × 10^6

Prime Factorization of 85186721

Prime Factorization 389 × 218989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 85186721
Product of the distinct prime numbers

The prime factorization of 85186721 is 389 × 218989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 85186721)

Multiplication

n×y
n×2 170373442
n×3 255560163
n×4 340746884
n×5 425933605

Division

n÷y
n÷2 42593360.5
n÷3 28395573.666667
n÷3 21296680.25
n÷5 17037344.2

Exponentiation

ny
n2 7256777434731841
n3 6.181810746916E+23
n4 5.2660818737233E+31
n5 4.4860024734003E+39

Nth Root

y√n
2√n 9229.6652702035
3√n 440.00468486747
4√n 96.071146918331
5√n 38.55443830725

Divisors of 85186721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -85186720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 85186721 can be divided by 4 positive divisors. The sum of these divisors (counting 85186721) is 1, the average is 0.25.

Base conversion 85186721

Base System Value
2 Binary 101000100111101100010100001
3 Ternary 12221021221012202
4 Quaternary 11010331202201
5 Quinary 133301433341
6 Senary 12241502545
8 Octal 504754241
10 Decimal 85186721
12 Duodecimal 24641a55
16 Hexadecimal 513d8a1
20 Vigesimal 16c86g1
36 Base36 1epuht

Cryptographic Hash Functions

md5 a4695166fe3ec2850348946b7a20ce06
sha1 34bd2c9ff811113f67288501f7eb4e1d4c379c79
sha256 7fe921d7c7c2689ef042cbf648bfb8e4e4e2f851c227ad6a19408a118de83b7d
sha512 562f3c5731f7869d56bec51f34b15e20018ec15c49a06de92ce6251d5f40e0eedee1668a2b68b03a97e8b0f9bd226b871c7a3fe0f07ae752991557f5a54a7dce
ripemd-160 a215a4c121a7bf2d83cb9a9d747dc72004d75fe1

85186721 as geometric shapes

Circle

Radius = n
Diameter 170373442
Circumference 535243953.75401
Area 2.279783867769E+16

Sphere

Radius = n
Volume 2.5894308304525E+24
Surface area 9.1191354710759E+16
Circumference 535243953.75401

Square

Length = n
Perimeter 340746884
Area 7256777434731841
Diagonal 120472216.17229

Cube

Length = n
Surface area 43540664608391046
Volume 6.181810746916E+23
Space diagonal 147547728.90219

Equilateral Triangle

Length = n
Perimeter 255560163
Area 3.1422768040437E+15
Altitude 73773864.451097

Triangular Pyramid

Length = n
Surface area 3.1422768040437E+15
Volume 7.2853338319269E+22
Height 40157405.390764