81128112 (number)

81128112 is an even 8-digits composite number following 81128111 and preceding 81128113. In scientific notation, it is written as 8.1128112 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 80 positive divisors. There are 24440832 positive integers (up to 81128112) that are relatively prime to 81128112.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-eight thousand one hundred twelve

Notation

Scientific notation 8.1128112 × 10^7
Engineering notation 8.1128112 × 10^6

Prime Factorization of 81128112

Prime Factorization 2 × 2 × 2 × 2 × 39 × 73 × 13 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 10141014
Product of the distinct prime numbers

The prime factorization of 81128112 is 2 × 2 × 2 × 2 × 39 × 73 × 13 × 137. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 1, 89, 80, 410, 16, 9136, 1069, 41933, 65625, 657992, 985977, 7900995, 6583678, 19657462, 15527119, 114019681, 152410105, 9271704316, 1525355090

Basic calculations (n = 81128112)

Multiplication

n×y
n×2 162256224
n×3 243384336
n×4 324512448
n×5 405640560

Division

n÷y
n÷2 40564056
n÷3 27042704
n÷3 20282028
n÷5 16225622.4

Exponentiation

ny
n2 6581770556684544
n3 5.3396661888101E+23
n4 4.331970366084E+31
n5 3.5144457704034E+39

Nth Root

y√n
2√n 9007.1145213104
3√n 432.90286140106
4√n 94.905819217319
5√n 38.179854926351

Divisors of 81128112

1, 2, 4, 8, 13, 16, 26, 39, 52, 73, 78, 104, 137, 146, 156, 208, 274, 292, 312, 507, 548, 584, 624, 949, 1014, 1096, 1168, 1781, 1898, 2028, 2192, 2847, 3562, 3796, 4056, 5343, 5694, 7124, 7592, 8112, 10001, 10686, 11388, 14248, 15184, 20002, 21372, 22776, 28496, 37011, 40004, 42744, 45552, 69459, 74022, 80008, 85488, 130013, 138918, 148044, 160016, 260026, 277836, 296088, 390039, 520052, 555672, 592176, 780078, 1040104, 1111344, 1560156, 2080208, 3120312, 5070507, 6240624, 10141014, 20282028, 40564056, 81128112

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81128111
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81128112 can be divided by 80 positive divisors. The sum of these divisors (counting 81128112) is 1, the average is 0.0125.

Base conversion 81128112

Base System Value
2 Binary 100110101011110101010110000
3 Ternary 12122122201211220
4 Quaternary 10311132222300
5 Quinary 131232044422
6 Senary 12014505040
8 Octal 465365260
10 Decimal 81128112
12 Duodecimal 23205180
16 Hexadecimal 4d5eab0
20 Vigesimal 157105c
36 Base36 1cauuo

Cryptographic Hash Functions

md5 15ab054447c4835ea96e51fd44ba0c1f
sha1 d0a30659688cd7454b1d7bcd45d90b9a9623bf30
sha256 831e85e9184bd7474e9f1ff0eab37fee2a73c0e2185b59c2c0ae422fec0e1b43
sha512 bcedfaa47cd1bfc0af1846b4de38c9c0ecfbf4e834751a6b00dcc14d035858f276ceffa9a2f4823f37e6343f31742ed40fbfe1553f83c6a021f9af30ec5cca6d
ripemd-160 e0463332712c48b38e2f3ff4063a15217a428fc1

81128112 as geometric shapes

Circle

Radius = n
Diameter 162256224
Circumference 509742961.31762
Area 2.0677242028494E+16

Sphere

Radius = n
Volume 2.2366741428517E+24
Surface area 8.2708968113975E+16
Circumference 509742961.31762

Square

Length = n
Perimeter 324512448
Area 6581770556684544
Diagonal 114732476.28012

Cube

Length = n
Surface area 39490623340107264
Volume 5.3396661888101E+23
Space diagonal 140518011.90614

Equilateral Triangle

Length = n
Perimeter 243384336
Area 2.8499902519846E+15
Altitude 70259005.953069

Triangular Pyramid

Length = n
Surface area 2.8499902519846E+15
Volume 6.2928569523002E+22
Height 38244158.760041