81120746 (number)

81120746 is an even 8-digits composite number following 81120745 and preceding 81120747. In scientific notation, it is written as 8.1120746 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 34721136 positive integers (up to 81120746) that are relatively prime to 81120746.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty thousand seven hundred forty-six

Notation

Scientific notation 8.1120746 × 10^7
Engineering notation 8.1120746 × 10^6

Prime Factorization of 81120746

Prime Factorization 2 × 7 × 877 × 6607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81120746
Product of the distinct prime numbers

The prime factorization of 81120746 is 2 × 7 × 877 × 6607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 43, 100, 950, 645, 6447, 2479, 49672, 63596, 700776, 582426, 8823727, 6656179, 34985619, 70310223, 741327914, 152439166, 713359007, 8118790937

Basic calculations (n = 81120746)

Multiplication

n×y
n×2 162241492
n×3 243362238
n×4 324482984
n×5 405603730

Division

n÷y
n÷2 40560373
n÷3 27040248.666667
n÷3 20280186.5
n÷5 16224149.2

Exponentiation

ny
n2 6580575431596516
n3 5.3382118812038E+23
n4 4.3303973010932E+31
n5 3.5128505954106E+39

Nth Root

y√n
2√n 9006.7056130419
3√n 432.88975924732
4√n 94.903664908379
5√n 38.179161595719

Divisors of 81120746

1, 2, 7, 14, 877, 1754, 6139, 6607, 12278, 13214, 46249, 92498, 5794339, 11588678, 40560373, 81120746

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 -81120745
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 81120746 can be divided by 16 positive divisors. The sum of these divisors (counting 81120746) is 1, the average is 0.0625.

Base conversion 81120746

Base System Value
2 Binary 100110101011100110111101010
3 Ternary 12122122100202002
4 Quaternary 10311130313222
5 Quinary 131231330441
6 Senary 12014411002
8 Octal 465346752
10 Decimal 81120746
12 Duodecimal 23200a62
16 Hexadecimal 4d5cdea
20 Vigesimal 15701h6
36 Base36 1cap62

Cryptographic Hash Functions

md5 f0aae8f13967b2f0bfc8f87b61128658
sha1 94febf340335345229712deda13a12b30f0d7722
sha256 24766b942cc97c9e44a78b88f39bf61ae93cb726f4394d475557568c394d4eee
sha512 f397b6acfb278d7d0155af531dfb49e2807b14e8c86338542c1b1cdf2d8e081299189218e47ec41883863f571c06871c52fc79737116750b91779ce31d7ffbf2
ripemd-160 e1590df639866fa8708a8c707c95b1f7b5d83d8c

81120746 as geometric shapes

Circle

Radius = n
Diameter 162241492
Circumference 509696679.37465
Area 2.0673487432297E+16

Sphere

Radius = n
Volume 2.2360649639061E+24
Surface area 8.2693949729188E+16
Circumference 509696679.37465

Square

Length = n
Perimeter 324482984
Area 6580575431596516
Diagonal 114722059.18302

Cube

Length = n
Surface area 39483452589579096
Volume 5.3382118812038E+23
Space diagonal 140505253.61989

Equilateral Triangle

Length = n
Perimeter 243362238
Area 2.8494727476412E+15
Altitude 70252626.809945

Triangular Pyramid

Length = n
Surface area 2.8494727476412E+15
Volume 6.2911430343497E+22
Height 38240686.394341