81097515 (number)

81097515 is an odd 8-digits composite number following 81097514 and preceding 81097516. In scientific notation, it is written as 8.1097515 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 42918720 positive integers (up to 81097515) that are relatively prime to 81097515.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-seven thousand five hundred fifteen

Notation

Scientific notation 8.1097515 × 10^7
Engineering notation 8.1097515 × 10^6

Prime Factorization of 81097515

Prime Factorization 5 × 9 × 131 × 13757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81097515
Product of the distinct prime numbers

The prime factorization of 81097515 is 5 × 9 × 131 × 13757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 71, 72, 668, 843, 3277, 2983, 73212, 44351, 997411, 621646, 8274501, 957673, 58794081, 96738677, 716541552, 945736541, 8280145088, 8477771322

Basic calculations (n = 81097515)

Multiplication

n×y
n×2 162195030
n×3 243292545
n×4 324390060
n×5 405487575

Division

n÷y
n÷2 40548757.5
n÷3 27032505
n÷3 20274378.75
n÷5 16219503

Exponentiation

ny
n2 6576806939175225
n3 5.3336269940187E+23
n4 4.3254389515183E+31
n5 3.5078235025234E+39

Nth Root

y√n
2√n 9005.4158704637
3√n 432.84843228465
4√n 94.896869655768
5√n 38.176974629343

Divisors of 81097515

1, 5, 9, 45, 131, 655, 1179, 5895, 13757, 68785, 123813, 619065, 1802167, 9010835, 16219503, 81097515

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 -81097514
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 81097515 can be divided by 16 positive divisors. The sum of these divisors (counting 81097515) is 1, the average is 0.0625.

Base conversion 81097515

Base System Value
2 Binary 100110101010111001100101011
3 Ternary 12122121011212200
4 Quaternary 10311113030223
5 Quinary 131230110030
6 Senary 12014111243
8 Octal 465271453
10 Decimal 81097515
12 Duodecimal 231ab523
16 Hexadecimal 4d5732b
20 Vigesimal 156h3ff
36 Base36 1ca78r

Cryptographic Hash Functions

md5 b953188a8f285703995087767443c94b
sha1 b6689dd770e50db3b7ef2a7a0c20ec7d3806005f
sha256 85cf059ed5d9e0fddd3b92d9e3fa133e6d5f606e613e2dbc2748636fa64edf14
sha512 916c280ca5ea34d15bdc649aa4e50427bc2438085a549fb1e0c6da25537b972f91eb8a0e9e8d47121ceeb3aa335e715ebb8a4430afda9f878681c5697f67fdf8
ripemd-160 73a0a8af074f4fcc27fc85dcdfe114a1b6e5675f

81097515 as geometric shapes

Circle

Radius = n
Diameter 162195030
Circumference 509550714.69678
Area 2.0661648364191E+16

Sphere

Radius = n
Volume 2.234144450853E+24
Surface area 8.2646593456765E+16
Circumference 509550714.69678

Square

Length = n
Perimeter 324390060
Area 6576806939175225
Diagonal 114689205.58776

Cube

Length = n
Surface area 39460841635051350
Volume 5.3336269940187E+23
Space diagonal 140465016.34758

Equilateral Triangle

Length = n
Perimeter 243292545
Area 2.8478409425558E+15
Altitude 70232508.17379

Triangular Pyramid

Length = n
Surface area 2.8478409425558E+15
Volume 6.2857396929837E+22
Height 38229735.195919