81245104 (number)

81245104 is an even 8-digits composite number following 81245103 and preceding 81245105. In scientific notation, it is written as 8.1245104 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 10 positive divisors. There are 40622544 positive integers (up to 81245104) that are relatively prime to 81245104.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-five thousand one hundred four

Notation

Scientific notation 8.1245104 × 10^7
Engineering notation 8.1245104 × 10^6

Prime Factorization of 81245104

Prime Factorization 2 × 2 × 2 × 2 × 5077819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10155638
Product of the distinct prime numbers

The prime factorization of 81245104 is 2 × 2 × 2 × 2 × 5077819. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 27, 16, 229, 459, 2994, 4442, 54421, 7965, 430127, 385542, 1071656, 8963577, 89596059, 160003, 514911781, 983216801, 3395621329, 2539106004

Basic calculations (n = 81245104)

Multiplication

n×y
n×2 162490208
n×3 243735312
n×4 324980416
n×5 406225520

Division

n÷y
n÷2 40622552
n÷3 27081701.333333
n÷3 20311276
n÷5 16249020.8

Exponentiation

ny
n2 6600766923970816
n3 5.3627999521777E+23
n4 4.3570123984587E+31
n5 3.5398592544207E+39

Nth Root

y√n
2√n 9013.6066033525
3√n 433.11085278973
4√n 94.940015817107
5√n 38.190860145564

Divisors of 81245104

1, 2, 4, 8, 16, 5077819, 10155638, 20311276, 40622552, 81245104

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81245103
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81245104 can be divided by 10 positive divisors. The sum of these divisors (counting 81245104) is 1, the average is 0.1.

Base conversion 81245104

Base System Value
2 Binary 100110101111011001110110000
3 Ternary 12122212200022221
4 Quaternary 10311323032300
5 Quinary 131244320404
6 Senary 12021210424
8 Octal 465731660
10 Decimal 81245104
12 Duodecimal 23260a14
16 Hexadecimal 4d7b3b0
20 Vigesimal 157fcf4
36 Base36 1cdd4g

Cryptographic Hash Functions

md5 cc9342da0a34768e2da87f35c90ae9cf
sha1 677c140d5f2fcbd2be594d9bf6d2426c21b2e484
sha256 f400a845bf4a829994d6eb12d3b60492852e241ea3edb2a92c64c8e104646395
sha512 38676b3d63694fd7f537756cac925aa46fbd08aea2435ca442e4b934b9271583c653700c00e07a66ce76f4f05b9e90bcb226afdd8f85e643a2abb49a1464894a
ripemd-160 29039b130add4cd8547fd494735d5f203e1fbf29

81245104 as geometric shapes

Circle

Radius = n
Diameter 162490208
Circumference 510478043.73308
Area 2.0736920876405E+16

Sphere

Radius = n
Volume 2.2463643909911E+24
Surface area 8.2947683505621E+16
Circumference 510478043.73308

Square

Length = n
Perimeter 324980416
Area 6600766923970816
Diagonal 114897927.95321

Cube

Length = n
Surface area 39604601543824896
Volume 5.3627999521777E+23
Space diagonal 140720647.99422

Equilateral Triangle

Length = n
Perimeter 243735312
Area 2.8582159203094E+15
Altitude 70360323.997109

Triangular Pyramid

Length = n
Surface area 2.8582159203094E+15
Volume 6.3201203538862E+22
Height 38299309.317738