81870107 (number)

81870107 is an odd 8-digits composite number following 81870106 and preceding 81870108. In scientific notation, it is written as 8.1870107 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 69001920 positive integers (up to 81870107) that are relatively prime to 81870107.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy thousand one hundred seven

Notation

Scientific notation 8.1870107 × 10^7
Engineering notation 8.1870107 × 10^6

Prime Factorization of 81870107

Prime Factorization 11 × 361 × 389 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81870107
Product of the distinct prime numbers

The prime factorization of 81870107 is 11 × 361 × 389 × 53. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81870107)

Multiplication

n×y
n×2 163740214
n×3 245610321
n×4 327480428
n×5 409350535

Division

n÷y
n÷2 40935053.5
n÷3 27290035.666667
n÷3 20467526.75
n÷5 16374021.4

Exponentiation

ny
n2 6702714420191449
n3 5.4875194677152E+23
n4 4.4926380598642E+31
n5 3.6781275867336E+39

Nth Root

y√n
2√n 9048.2101545002
3√n 434.21862989094
4√n 95.122080267939
5√n 38.249439159196

Divisors of 81870107

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 -81870106
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 81870107 can be divided by 16 positive divisors. The sum of these divisors (counting 81870107) is 1, the average is 0.0625.

Base conversion 81870107

Base System Value
2 Binary 100111000010011110100011011
3 Ternary 12201001102200012
4 Quaternary 10320103310123
5 Quinary 131424320412
6 Senary 12042432135
8 Octal 470236433
10 Decimal 81870107
12 Duodecimal 2350264b
16 Hexadecimal 4e13d1b
20 Vigesimal 15bdf57
36 Base36 1cqrdn

Cryptographic Hash Functions

md5 21a3882d5dcd823caa98721c1c520cb8
sha1 7e14c592e7023102af824da5ff10aa2e3b7af00f
sha256 7d05f679645a4ba7c9b671ff71527c9b834335643691efb3c12d4c9635e22fc7
sha512 89afbf682ebe94448903571756aa85696f6e9a2d3e1218ab227bbb6463676ac21dfdf396687376050ef8c87831587fd05025111964b461896e014179338d6b71
ripemd-160 83e1b0781a44c92266f52c93825844976743d901

81870107 as geometric shapes

Circle

Radius = n
Diameter 163740214
Circumference 514405053.39962
Area 2.1057198381584E+16

Sphere

Radius = n
Volume 2.298606779494E+24
Surface area 8.4228793526335E+16
Circumference 514405053.39962

Square

Length = n
Perimeter 327480428
Area 6702714420191449
Diagonal 115781815.67234

Cube

Length = n
Surface area 40216286521148694
Volume 5.4875194677152E+23
Space diagonal 141803184.9451

Equilateral Triangle

Length = n
Perimeter 245610321
Area 2.902360481099E+15
Altitude 70901592.47255

Triangular Pyramid

Length = n
Surface area 2.902360481099E+15
Volume 6.4671037125243E+22
Height 38593938.557445