81126968 (number)

81126968 is an even 8-digits composite number following 81126967 and preceding 81126969. In scientific notation, it is written as 8.1126968 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 32 positive divisors. There are 37255680 positive integers (up to 81126968) that are relatively prime to 81126968.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-six thousand nine hundred sixty-eight

Notation

Scientific notation 8.1126968 × 10^7
Engineering notation 8.1126968 × 10^6

Prime Factorization of 81126968

Prime Factorization 2 × 2 × 2 × 13 × 211 × 3697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20281742
Product of the distinct prime numbers

The prime factorization of 81126968 is 2 × 2 × 2 × 13 × 211 × 3697. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 4, 26, 92, 963, 811, 8681, 4033, 41876, 61108, 215704, 181794, 6188550, 6473059, 24662849, 44352171, 820470117, 226371676, 5105533719, 7716637997

Basic calculations (n = 81126968)

Multiplication

n×y
n×2 162253936
n×3 243380904
n×4 324507872
n×5 405634840

Division

n÷y
n÷2 40563484
n÷3 27042322.666667
n÷3 20281742
n÷5 16225393.6

Exponentiation

ny
n2 6581584936873024
n3 5.3394403056298E+23
n4 4.3317260281274E+31
n5 3.5141979886866E+39

Nth Root

y√n
2√n 9007.0510157321
3√n 432.90082658153
4√n 94.905484645157
5√n 38.179747249741

Divisors of 81126968

1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 844, 1688, 2743, 3697, 5486, 7394, 10972, 14788, 21944, 29576, 48061, 96122, 192244, 384488, 780067, 1560134, 3120268, 6240536, 10140871, 20281742, 40563484, 81126968

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81126967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81126968 can be divided by 32 positive divisors. The sum of these divisors (counting 81126968) is 1, the average is 0.03125.

Base conversion 81126968

Base System Value
2 Binary 100110101011110011000111000
3 Ternary 12122122200021112
4 Quaternary 10311132120320
5 Quinary 131232030333
6 Senary 12014455452
8 Octal 465363070
10 Decimal 81126968
12 Duodecimal 23204588
16 Hexadecimal 4d5e638
20 Vigesimal 1570h88
36 Base36 1catyw

Cryptographic Hash Functions

md5 315e96a8791719b096b5c7b071cac053
sha1 1076cda3bee5e1efa4b3c0f31bac60f56d4ba380
sha256 f12d32160bba1153d934eb9b4be45704967e5302f6793863ce750129a6227e60
sha512 c6f45d40afb2dba083877cb580fd51b02f275f98e42b268f314456e57f71b31e1fac2d4e44de10f6f865e80560c6dd11d1a480cab4522d1ce786baa259d49bf1
ripemd-160 3728ce4e250a38874992a61d3e215ff86cde2bc2

81126968 as geometric shapes

Circle

Radius = n
Diameter 162253936
Circumference 509735773.35363
Area 2.0676658886658E+16

Sphere

Radius = n
Volume 2.2365795251264E+24
Surface area 8.270663554663E+16
Circumference 509735773.35363

Square

Length = n
Perimeter 324507872
Area 6581584936873024
Diagonal 114730858.41981

Cube

Length = n
Surface area 39489509621238144
Volume 5.3394403056298E+23
Space diagonal 140516030.44001

Equilateral Triangle

Length = n
Perimeter 243380904
Area 2.8499098762485E+15
Altitude 70258015.220007

Triangular Pyramid

Length = n
Surface area 2.8499098762485E+15
Volume 6.2925907464193E+22
Height 38243619.473269