81337315 (number)

81337315 is an odd 8-digits composite number following 81337314 and preceding 81337316. In scientific notation, it is written as 8.1337315 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 20 positive divisors. There are 60094496 positive integers (up to 81337315) that are relatively prime to 81337315.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-seven thousand three hundred fifteen

Notation

Scientific notation 8.1337315 × 10^7
Engineering notation 8.1337315 × 10^6

Prime Factorization of 81337315

Prime Factorization 5 × 841 × 23 × 29 × 29

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2804735
Product of the distinct prime numbers

The prime factorization of 81337315 is 5 × 841 × 23 × 29 × 29. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 51, 2, 281, 387, 1504, 6473, 82464, 21702, 624258, 278740, 4722524, 5791005, 97228147, 90319499, 706660405, 969534601, 5918157736, 4856423997

Basic calculations (n = 81337315)

Multiplication

n×y
n×2 162674630
n×3 244011945
n×4 325349260
n×5 406686575

Division

n÷y
n÷2 40668657.5
n÷3 27112438.333333
n÷3 20334328.75
n÷5 16267463

Exponentiation

ny
n2 6615758811409225
n3 5.3810805840762E+23
n4 4.3768264650739E+31
n5 3.5599931289005E+39

Nth Root

y√n
2√n 9018.7202528962
3√n 433.2746472136
4√n 94.96694294804
5√n 38.199525331632

Divisors of 81337315

1, 5, 23, 29, 115, 145, 667, 841, 3335, 4205, 19343, 24389, 96715, 121945, 560947, 707281, 2804735, 3536405, 16267463, 81337315

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81337314
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81337315 can be divided by 20 positive divisors. The sum of these divisors (counting 81337315) is 1, the average is 0.05.

Base conversion 81337315

Base System Value
2 Binary 100110110010001101111100011
3 Ternary 12200001100211011
4 Quaternary 10312101233203
5 Quinary 131310243230
6 Senary 12023201351
8 Octal 466215743
10 Decimal 81337315
12 Duodecimal 232a6257
16 Hexadecimal 4d91be3
20 Vigesimal 158735f
36 Base36 1cfc9v

Cryptographic Hash Functions

md5 5d76787e424f483b8483e244025d50fa
sha1 c2d8e03f50b7bb0bde4a2c53e47d90abd9ecf2c8
sha256 f47f14d4e9a36d118d74e2033ac3a04b2e81bee4e9e2ef1f41d4132f2f9b63c2
sha512 1527b2d4313b75ac8662c72964c472f020b2a6e76c44c2ca2db35565c3f5dfd14d6a2eb515472b8643dc988f68a04df240cbde6d42515159bee3b42493836760
ripemd-160 5fde83565295014d1e71a86acb6fad33876967d9

81337315 as geometric shapes

Circle

Radius = n
Diameter 162674630
Circumference 511057422.53344
Area 2.0784019279845E+16

Sphere

Radius = n
Volume 2.2540217641745E+24
Surface area 8.3136077119381E+16
Circumference 511057422.53344

Square

Length = n
Perimeter 325349260
Area 6615758811409225
Diagonal 115028334.00001

Cube

Length = n
Surface area 39694552868455350
Volume 5.3810805840762E+23
Space diagonal 140880362.13123

Equilateral Triangle

Length = n
Perimeter 244011945
Area 2.8647075979956E+15
Altitude 70440181.065617

Triangular Pyramid

Length = n
Surface area 2.8647075979956E+15
Volume 6.3416642851859E+22
Height 38342778.000004