81298416 (number)

81298416 is an even 8-digits composite number following 81298415 and preceding 81298417. In scientific notation, it is written as 8.1298416 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 25380864 positive integers (up to 81298416) that are relatively prime to 81298416.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-eight thousand four hundred sixteen

Notation

Scientific notation 8.1298416 × 10^7
Engineering notation 8.1298416 × 10^6

Prime Factorization of 81298416

Prime Factorization 2 × 2 × 2 × 2 × 3 × 19 × 97 × 919

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 10162302
Product of the distinct prime numbers

The prime factorization of 81298416 is 2 × 2 × 2 × 2 × 3 × 19 × 97 × 919. Since it has a total of 8 prime factors.

Most popular turbo-numbers

9, 6, 97, 3, 895, 791, 7120, 8692, 10747, 74024, 95798, 938943, 7912918, 5292949, 60382816, 6745649, 378954229, 646727661, 9674661875, 569340430

Basic calculations (n = 81298416)

Multiplication

n×y
n×2 162596832
n×3 243895248
n×4 325193664
n×5 406492080

Division

n÷y
n÷2 40649208
n÷3 27099472
n÷3 20324604
n÷5 16259683.2

Exponentiation

ny
n2 6609432444109056
n3 5.3733638836507E+23
n4 4.3684597233241E+31
n5 3.5514885586605E+39

Nth Root

y√n
2√n 9016.5634251637
3√n 433.2055660136
4√n 94.9555865927
5√n 38.195870901509

Divisors of 81298416

1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 228, 291, 304, 388, 456, 582, 776, 912, 919, 1164, 1552, 1838, 1843, 2328, 2757, 3676, 3686, 4656, 5514, 5529, 7352, 7372, 11028, 11058, 14704, 14744, 17461, 22056, 22116, 29488, 34922, 44112, 44232, 52383, 69844, 88464, 89143, 104766, 139688, 178286, 209532, 267429, 279376, 356572, 419064, 534858, 713144, 838128, 1069716, 1426288, 1693717, 2139432, 3387434, 4278864, 5081151, 6774868, 10162302, 13549736, 20324604, 27099472, 40649208, 81298416

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81298415
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81298416 can be divided by 80 positive divisors. The sum of these divisors (counting 81298416) is 1, the average is 0.0125.

Base conversion 81298416

Base System Value
2 Binary 100110110001000001111110000
3 Ternary 12122222101110110
4 Quaternary 10312020033300
5 Quinary 131303022131
6 Senary 12022301320
8 Octal 466101760
10 Decimal 81298416
12 Duodecimal 23287840
16 Hexadecimal 4d883f0
20 Vigesimal 158260g
36 Base36 1cei9c

Cryptographic Hash Functions

md5 d1b980b9a22bdce74dead82098b92dc8
sha1 e72b7557d4d336d9b7ab27e6c9dc2e55eabab092
sha256 d6a0fd5af375b1e0bf5fe62efc7a81b883c571fefc60a1e45111d9773e19b025
sha512 9856419d3e95d460cb30281d6d3d1b64da15ac2d3be813d297f98e2c4e75b3263de32a07c640733814a0995ba2a1e0a6f3da33fdcf909d319f2d0f060ad99b7c
ripemd-160 7836e54648328eb6667ee15c49b19e66739fad33

81298416 as geometric shapes

Circle

Radius = n
Diameter 162596832
Circumference 510813012.90817
Area 2.0764144410811E+16

Sphere

Radius = n
Volume 2.2507894002589E+24
Surface area 8.3056577643244E+16
Circumference 510813012.90817

Square

Length = n
Perimeter 325193664
Area 6609432444109056
Diagonal 114973322.50665

Cube

Length = n
Surface area 39656594664654336
Volume 5.3733638836507E+23
Space diagonal 140812987.08687

Equilateral Triangle

Length = n
Perimeter 243895248
Area 2.8619682005978E+15
Altitude 70406493.543435

Triangular Pyramid

Length = n
Surface area 2.8619682005978E+15
Volume 6.3325700665205E+22
Height 38324440.83555