81296648 (number)

81296648 is an even 8-digits composite number following 81296647 and preceding 81296649. In scientific notation, it is written as 8.1296648 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors. There are 40619088 positive integers (up to 81296648) that are relatively prime to 81296648.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-six thousand six hundred forty-eight

Notation

Scientific notation 8.1296648 × 10^7
Engineering notation 8.1296648 × 10^6

Prime Factorization of 81296648

Prime Factorization 2 × 2 × 2 × 1867 × 5443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20324162
Product of the distinct prime numbers

The prime factorization of 81296648 is 2 × 2 × 2 × 1867 × 5443. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 34, 40, 893, 761, 6418, 1821, 81129, 398, 567025, 492992, 3531798, 9848027, 32412831, 91747540, 409142364, 534852119, 1801355945, 4053826553

Basic calculations (n = 81296648)

Multiplication

n×y
n×2 162593296
n×3 243889944
n×4 325186592
n×5 406483240

Division

n÷y
n÷2 40648324
n÷3 27098882.666667
n÷3 20324162
n÷5 16259329.6

Exponentiation

ny
n2 6609144976035904
n3 5.3730133269776E+23
n4 4.3680797314261E+31
n5 3.5511024036168E+39

Nth Root

y√n
2√n 9016.4653828427
3√n 433.20242567774
4√n 94.955070337727
5√n 38.195704770628

Divisors of 81296648

1, 2, 4, 8, 1867, 3734, 5443, 7468, 10886, 14936, 21772, 43544, 10162081, 20324162, 40648324, 81296648

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 -81296647
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 81296648 can be divided by 16 positive divisors. The sum of these divisors (counting 81296648) is 1, the average is 0.0625.

Base conversion 81296648

Base System Value
2 Binary 100110110000111110100001000
3 Ternary 12122222022000222
4 Quaternary 10312013310020
5 Quinary 131302443043
6 Senary 12022245212
8 Octal 466076410
10 Decimal 81296648
12 Duodecimal 23286808
16 Hexadecimal 4d87d08
20 Vigesimal 15821c8
36 Base36 1cegw8

Cryptographic Hash Functions

md5 65c2268ef8c281d26535a363288e9637
sha1 3b869ffe57ae377dc291d94e9c63cb4bc3c2c6cd
sha256 4a0139ae5c17f4e0703fcf3d2152169c94934967ecaa88033a32e73a8ebb23e9
sha512 97650d3c67b6f74bf9a2aa1cf09cd67b101b7ce536765a3fb38e71dbd2c65f3683fca920472f8d96a64f4a46b09d94d5950824c19b1e8b0b2a82089926dc957d
ripemd-160 99f0c1d804f51723f2528e800d5c6122ec72fc7f

81296648 as geometric shapes

Circle

Radius = n
Diameter 162593296
Circumference 510801904.23655
Area 2.0763241303224E+16

Sphere

Radius = n
Volume 2.250642559423E+24
Surface area 8.3052965212897E+16
Circumference 510801904.23655

Square

Length = n
Perimeter 325186592
Area 6609144976035904
Diagonal 114970822.17707

Cube

Length = n
Surface area 39654869856215424
Volume 5.3730133269776E+23
Space diagonal 140809924.82104

Equilateral Triangle

Length = n
Perimeter 243889944
Area 2.8618437232707E+15
Altitude 70404962.410521

Triangular Pyramid

Length = n
Surface area 2.8618437232707E+15
Volume 6.3321569315192E+22
Height 38323607.392357