81124782 (number)

81124782 is an even 8-digits composite number following 81124781 and preceding 81124783. In scientific notation, it is written as 8.1124782 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 25392000 positive integers (up to 81124782) that are relatively prime to 81124782.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand seven hundred eighty-two

Notation

Scientific notation 8.1124782 × 10^7
Engineering notation 8.1124782 × 10^6

Prime Factorization of 81124782

Prime Factorization 2 × 3 × 17 × 1151 × 691

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81124782
Product of the distinct prime numbers

The prime factorization of 81124782 is 2 × 3 × 17 × 1151 × 691. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 37, 95, 912, 691, 2582, 4047, 5294, 67601, 16840, 794350, 7080222, 8055462, 42056386, 61807401, 660528162, 601187658, 3313588427, 5434446257

Basic calculations (n = 81124782)

Multiplication

n×y
n×2 162249564
n×3 243374346
n×4 324499128
n×5 405623910

Division

n÷y
n÷2 40562391
n÷3 27041594
n÷3 20281195.5
n÷5 16224956.4

Exponentiation

ny
n2 6581230254547524
n3 5.3390086969197E+23
n4 4.3312591663372E+31
n5 3.513724556546E+39

Nth Root

y√n
2√n 9006.9296655409
3√n 432.89693831548
4√n 94.904845321727
5√n 38.17954149368

Divisors of 81124782

1, 2, 3, 6, 17, 34, 51, 102, 691, 1151, 1382, 2073, 2302, 3453, 4146, 6906, 11747, 19567, 23494, 35241, 39134, 58701, 70482, 117402, 795341, 1590682, 2386023, 4772046, 13520797, 27041594, 40562391, 81124782

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 -81124781
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 81124782 can be divided by 32 positive divisors. The sum of these divisors (counting 81124782) is 1, the average is 0.03125.

Base conversion 81124782

Base System Value
2 Binary 100110101011101110110101110
3 Ternary 12122122120021120
4 Quaternary 10311131312232
5 Quinary 131231443112
6 Senary 12014441410
8 Octal 465356656
10 Decimal 81124782
12 Duodecimal 23203266
16 Hexadecimal 4d5ddae
20 Vigesimal 1570bj2
36 Base36 1casa6

Cryptographic Hash Functions

md5 871c5decb4a1b3fb59ac8b2eccca8663
sha1 efe853828e16c728fbb5b7e175d5a151ab308168
sha256 ef93e110cc6780fcd42249f515af6927dab1e36a52987f4951a51d92df2de0e4
sha512 8b81aae379b5b99ab1d4d303560ba6dc444aaab0ff620549ee0e51b5b43107857a3ac5807b27b1a5dcfe6e37a944c898b880d00773bdb4a375202efe42192c7a
ripemd-160 71f909c0cb0ad776f35074d540963c200dbb2eb9

81124782 as geometric shapes

Circle

Radius = n
Diameter 162249564
Circumference 509722038.31055
Area 2.0675544619269E+16

Sphere

Radius = n
Volume 2.2363987332927E+24
Surface area 8.2702178477078E+16
Circumference 509722038.31055

Square

Length = n
Perimeter 324499128
Area 6581230254547524
Diagonal 114727766.94896

Cube

Length = n
Surface area 39487381527285144
Volume 5.3390086969197E+23
Space diagonal 140512244.17695

Equilateral Triangle

Length = n
Perimeter 243374346
Area 2.8497562942964E+15
Altitude 70256122.088475

Triangular Pyramid

Length = n
Surface area 2.8497562942964E+15
Volume 6.2920820906765E+22
Height 38242588.982987