81465105 (number)

81465105 is an odd 8-digits composite number following 81465104 and preceding 81465106. In scientific notation, it is written as 8.1465105 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 40626176 positive integers (up to 81465105) that are relatively prime to 81465105.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-five thousand one hundred five

Notation

Scientific notation 8.1465105 × 10^7
Engineering notation 8.1465105 × 10^6

Prime Factorization of 81465105

Prime Factorization 17 × 15 × 167 × 1913

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81465105
Product of the distinct prime numbers

The prime factorization of 81465105 is 17 × 15 × 167 × 1913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 59, 61, 411, 276, 8136, 2147, 93856, 45228, 476088, 802595, 182069, 2161491, 64015975, 12688494, 301258118, 958543812, 7569836903, 479838529

Basic calculations (n = 81465105)

Multiplication

n×y
n×2 162930210
n×3 244395315
n×4 325860420
n×5 407325525

Division

n÷y
n÷2 40732552.5
n÷3 27155035
n÷3 20366276.25
n÷5 16293021

Exponentiation

ny
n2 6636563332661025
n3 5.4064832873438E+23
n4 4.4043972868421E+31
n5 3.5880468743431E+39

Nth Root

y√n
2√n 9025.8021804159
3√n 433.50143609448
4√n 95.004221908376
5√n 38.21152093898

Divisors of 81465105

1, 15, 17, 167, 255, 1913, 2505, 2839, 28695, 32521, 42585, 319471, 487815, 4792065, 5431007, 81465105

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 -81465104
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 81465105 can be divided by 16 positive divisors. The sum of these divisors (counting 81465105) is 1, the average is 0.0625.

Base conversion 81465105

Base System Value
2 Binary 100110110110000111100010001
3 Ternary 12200021212010010
4 Quaternary 10312300330101
5 Quinary 131323340410
6 Senary 12030025133
8 Octal 466607421
10 Decimal 81465105
12 Duodecimal 233481a9
16 Hexadecimal 4db0f11
20 Vigesimal 15932f5
36 Base36 1ci2vl

Cryptographic Hash Functions

md5 501b463262878bb6b8d7d41e5c4f351f
sha1 77934feae7f2f972b90817b58fc72638cfd5ebf5
sha256 0b096e444ba2fb1ab2f289d8c4ac0ddb16e779b21fe4b7f64e9737c3722d916b
sha512 11147a27c64bc89cd0079080400d9f8b5980d2b3e5239894d9c595e8385bafd075e96bb6d719048b7d74e49bc922b055a2810062e8538a6426399bce8095424b
ripemd-160 523f6b402034f25a0a31be866adf483178543168

81465105 as geometric shapes

Circle

Radius = n
Diameter 162930210
Circumference 511860350.78384
Area 2.0849378610971E+16

Sphere

Radius = n
Volume 2.2646624236367E+24
Surface area 8.3397514443885E+16
Circumference 511860350.78384

Square

Length = n
Perimeter 325860420
Area 6636563332661025
Diagonal 115209056.35115

Cube

Length = n
Surface area 39819379995966150
Volume 5.4064832873438E+23
Space diagonal 141101700.90393

Equilateral Triangle

Length = n
Perimeter 244395315
Area 2.8737162199544E+15
Altitude 70550850.451967

Triangular Pyramid

Length = n
Surface area 2.8737162199544E+15
Volume 6.3716016580876E+22
Height 38403018.783716