81122906 (number)

81122906 is an even 8-digits composite number following 81122905 and preceding 81122907. In scientific notation, it is written as 8.1122906 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 39874656 positive integers (up to 81122906) that are relatively prime to 81122906.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-two thousand nine hundred six

Notation

Scientific notation 8.1122906 × 10^7
Engineering notation 8.1122906 × 10^6

Prime Factorization of 81122906

Prime Factorization 2 × 107 × 137 × 2767

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81122906
Product of the distinct prime numbers

The prime factorization of 81122906 is 2 × 107 × 137 × 2767. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 85, 74, 49, 440, 1429, 5351, 90301, 41678, 124031, 997101, 1848753, 4239978, 42049184, 70536188, 817149175, 163558446, 5272171941, 4166764783

Basic calculations (n = 81122906)

Multiplication

n×y
n×2 162245812
n×3 243368718
n×4 324491624
n×5 405614530

Division

n÷y
n÷2 40561453
n÷3 27040968.666667
n÷3 20280726.5
n÷5 16224581.2

Exponentiation

ny
n2 6580925877884836
n3 5.3386383138462E+23
n4 4.3308585410214E+31
n5 3.5133183032258E+39

Nth Root

y√n
2√n 9006.8255229021
3√n 432.89360139468
4√n 94.904296651427
5√n 38.179364912663

Divisors of 81122906

1, 2, 107, 137, 214, 274, 2767, 5534, 14659, 29318, 296069, 379079, 592138, 758158, 40561453, 81122906

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 -81122905
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 81122906 can be divided by 16 positive divisors. The sum of these divisors (counting 81122906) is 1, the average is 0.0625.

Base conversion 81122906

Base System Value
2 Binary 100110101011101011001011010
3 Ternary 12122122110201002
4 Quaternary 10311131121122
5 Quinary 131231413111
6 Senary 12014425002
8 Octal 465353132
10 Decimal 81122906
12 Duodecimal 23202162
16 Hexadecimal 4d5d65a
20 Vigesimal 1570756
36 Base36 1caqu2

Cryptographic Hash Functions

md5 7dffa7132e59b56f87aa35fca01bebe3
sha1 9e27a1f73a87043794767445a0586a9141b59c25
sha256 62d4b105a607869538d28919c8407dfb7741cf1dc2e6a2c50a1ae604f36235e8
sha512 58e2bb6e329791d81187cbfe87b104faf05489a35b4657e0c7869c9c0a2a4c036b265b9dcf4a3dc4beae697b80e9979a8f831b9478f452a2f49b0c2f548e59da
ripemd-160 b9300db0c985459d016d64ee4731954536cc0acd

81122906 as geometric shapes

Circle

Radius = n
Diameter 162245812
Circumference 509710251.05491
Area 2.0674588391782E+16

Sphere

Radius = n
Volume 2.2362435875936E+24
Surface area 8.2698353567128E+16
Circumference 509710251.05491

Square

Length = n
Perimeter 324491624
Area 6580925877884836
Diagonal 114725113.88432

Cube

Length = n
Surface area 39485555267309016
Volume 5.3386383138462E+23
Space diagonal 140508994.84963

Equilateral Triangle

Length = n
Perimeter 243368718
Area 2.8496244953353E+15
Altitude 70254497.424817

Triangular Pyramid

Length = n
Surface area 2.8496244953353E+15
Volume 6.2916455900383E+22
Height 38241704.628106