81109710 (number)

81109710 is an even 8-digits composite number following 81109709 and preceding 81109711. In scientific notation, it is written as 8.1109710 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 19662720 positive integers (up to 81109710) that are relatively prime to 81109710.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred nine thousand seven hundred ten

Notation

Scientific notation 8.1109710 × 10^7
Engineering notation 8.1109710 × 10^6

Prime Factorization of 81109710

Prime Factorization 2 × 9 × 55 × 81929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81109710
Product of the distinct prime numbers

The prime factorization of 81109710 is 2 × 9 × 55 × 81929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 90, 42, 234, 103, 6460, 5406, 7361, 85572, 331551, 734419, 3115102, 3216605, 8898073, 43718456, 494852497, 562552698, 4054222116, 4071946844

Basic calculations (n = 81109710)

Multiplication

n×y
n×2 162219420
n×3 243329130
n×4 324438840
n×5 405548550

Division

n÷y
n÷2 40554855
n÷3 27036570
n÷3 20277427.5
n÷5 16221942

Exponentiation

ny
n2 6578785056284100
n3 5.3360334806754E+23
n4 4.3280412816787E+31
n5 3.5104617322499E+39

Nth Root

y√n
2√n 9006.0929375618
3√n 432.87012765582
4√n 94.900436972449
5√n 38.178122729144

Divisors of 81109710

1, 2, 9, 18, 55, 110, 495, 990, 81929, 163858, 737361, 1474722, 4506095, 9012190, 40554855, 81109710

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 -81109709
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 81109710 can be divided by 16 positive divisors. The sum of these divisors (counting 81109710) is 1, the average is 0.0625.

Base conversion 81109710

Base System Value
2 Binary 100110101011010001011001110
3 Ternary 12122121210121100
4 Quaternary 10311122023032
5 Quinary 131231002320
6 Senary 12014243530
8 Octal 465321316
10 Decimal 81109710
12 Duodecimal 231b65a6
16 Hexadecimal 4d5a2ce
20 Vigesimal 156ie5a
36 Base36 1cagni

Cryptographic Hash Functions

md5 1cd0ef2c810a7ca363beeb11f33d1d8d
sha1 2455bfc34f76248c5cb9ad4b890d62443b0ea134
sha256 8252f359f6ff0563a40afd5d999ed7f8bb4280b6c9957aa7823e4b1f6ed3093c
sha512 cf33cbf71bee3751f58428b94f9a38664b3f54c21b4a65a8acf2b417dd77bcce1796fb581bb9d4dfe240265804d560f95cb81c1a6640b204007ae6ec17182cf4
ripemd-160 030f534827fcd9589991cf5f05aee6ee84ce3bf7

81109710 as geometric shapes

Circle

Radius = n
Diameter 162219420
Circumference 509627338.1416
Area 2.0667862802368E+16

Sphere

Radius = n
Volume 2.2351524776265E+24
Surface area 8.2671451209474E+16
Circumference 509627338.1416

Square

Length = n
Perimeter 324438840
Area 6578785056284100
Diagonal 114706451.92215

Cube

Length = n
Surface area 39472710337704600
Volume 5.3360334806754E+23
Space diagonal 140486138.70718

Equilateral Triangle

Length = n
Perimeter 243329130
Area 2.8486974923897E+15
Altitude 70243069.353589

Triangular Pyramid

Length = n
Surface area 2.8486974923897E+15
Volume 6.2885757647067E+22
Height 38235483.97405