81870122 (number)

81870122 is an even 8-digits composite number following 81870121 and preceding 81870123. In scientific notation, it is written as 8.1870122 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 39740688 positive integers (up to 81870122) that are relatively prime to 81870122.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy thousand one hundred twenty-two

Notation

Scientific notation 8.1870122 × 10^7
Engineering notation 8.1870122 × 10^6

Prime Factorization of 81870122

Prime Factorization 2 × 37 × 599 × 1847

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81870122
Product of the distinct prime numbers

The prime factorization of 81870122 is 2 × 37 × 599 × 1847. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 22, 23, 438, 283, 3927, 8014, 91974, 84162, 217800, 877328, 4172713, 586657, 9839126, 71151291, 459672343, 333797174, 1779736859, 2856383075

Basic calculations (n = 81870122)

Multiplication

n×y
n×2 163740244
n×3 245610366
n×4 327480488
n×5 409350610

Division

n÷y
n÷2 40935061
n÷3 27290040.666667
n÷3 20467530.5
n÷5 16374024.4

Exponentiation

ny
n2 6702716876294884
n3 5.4875224839372E+23
n4 4.4926413523768E+31
n5 3.6781309562134E+39

Nth Root

y√n
2√n 9048.2109833933
3√n 434.21865640969
4√n 95.122084624935
5√n 38.249440560786

Divisors of 81870122

1, 2, 37, 74, 599, 1198, 1847, 3694, 22163, 44326, 68339, 136678, 1106353, 2212706, 40935061, 81870122

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 -81870121
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 81870122 can be divided by 16 positive divisors. The sum of these divisors (counting 81870122) is 1, the average is 0.0625.

Base conversion 81870122

Base System Value
2 Binary 100111000010011110100101010
3 Ternary 12201001102200202
4 Quaternary 10320103310222
5 Quinary 131424320442
6 Senary 12042432202
8 Octal 470236452
10 Decimal 81870122
12 Duodecimal 23502662
16 Hexadecimal 4e13d2a
20 Vigesimal 15bdf62
36 Base36 1cqre2

Cryptographic Hash Functions

md5 904e619c44764541cc18e7c766ba4d10
sha1 dbb001fa82671d72d0837ac266b66d3c7de12690
sha256 b868d71d01ed7fda09de39bc0d3d4e1fcf3483746c0ba4fd05cfc69d236db594
sha512 8c240b76b2c385f1875a6559ea95eaf7b46ec164b9f034b995cf338a2924c51ca6090fa9ffe355d54a080699cf80fe2c2c95b3e009832efd6a0f694983093f4a
ripemd-160 1696c3b85cb2df54366d354e27f0e662c62b603a

81870122 as geometric shapes

Circle

Radius = n
Diameter 163740244
Circumference 514405147.6474
Area 2.105720609766E+16

Sphere

Radius = n
Volume 2.2986080429261E+24
Surface area 8.4228824390641E+16
Circumference 514405147.6474

Square

Length = n
Perimeter 327480488
Area 6702716876294884
Diagonal 115781836.88554

Cube

Length = n
Surface area 40216301257769304
Volume 5.4875224839372E+23
Space diagonal 141803210.92586

Equilateral Triangle

Length = n
Perimeter 245610366
Area 2.902361544623E+15
Altitude 70901605.462931

Triangular Pyramid

Length = n
Surface area 2.902361544623E+15
Volume 6.4671072671761E+22
Height 38593945.628513