81420104 (number)

81420104 is an even 8-digits composite number following 81420103 and preceding 81420105. In scientific notation, it is written as 8.1420104 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors. There are 40684032 positive integers (up to 81420104) that are relatively prime to 81420104.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty thousand one hundred four

Notation

Scientific notation 8.1420104 × 10^7
Engineering notation 8.1420104 × 10^6

Prime Factorization of 81420104

Prime Factorization 2 × 2 × 2 × 3889 × 2617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20355026
Product of the distinct prime numbers

The prime factorization of 81420104 is 2 × 2 × 2 × 3889 × 2617. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 74, 49, 918, 128, 3173, 3802, 92342, 86509, 958732, 813085, 7037451, 9051688, 18542152, 82463682, 154557678, 601237252, 3001472341, 1424334787

Basic calculations (n = 81420104)

Multiplication

n×y
n×2 162840208
n×3 244260312
n×4 325680416
n×5 407100520

Division

n÷y
n÷2 40710052
n÷3 27140034.666667
n÷3 20355026
n÷5 16284020.8

Exponentiation

ny
n2 6629233335370816
n3 5.3975286760616E+23
n4 4.3946734614792E+31
n5 3.5781477027967E+39

Nth Root

y√n
2√n 9023.308927439
3√n 433.42159990255
4√n 94.99109920113
5√n 38.207298427439

Divisors of 81420104

1, 2, 4, 8, 2617, 3889, 5234, 7778, 10468, 15556, 20936, 31112, 10177513, 20355026, 40710052, 81420104

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 -81420103
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 81420104 can be divided by 16 positive divisors. The sum of these divisors (counting 81420104) is 1, the average is 0.0625.

Base conversion 81420104

Base System Value
2 Binary 100110110100101111101001000
3 Ternary 12200012120101102
4 Quaternary 10312211331020
5 Quinary 131320420404
6 Senary 12025040532
8 Octal 466457510
10 Decimal 81420104
12 Duodecimal 23326148
16 Hexadecimal 4da5f48
20 Vigesimal 158ha54
36 Base36 1ch45k

Cryptographic Hash Functions

md5 046c4e408ec84253cdd9fe441aed3548
sha1 e4ea0cba3366d1e8cc81adffe6edd260dd811346
sha256 bab3fddcb2293ae10319e410f103eb57a2980263b71d43a56569e2784875b44b
sha512 06dcf5397457cde7f114c53e5ea1d5f45c816e7357b85db4ea89a5ed5916f4ba4cddab509c76a34d943012a98fa81a18e7396dd3fd562d3016f57cfbc551eba0
ripemd-160 5221cba3b992385c21285d95db9ab4264d2d4350

81420104 as geometric shapes

Circle

Radius = n
Diameter 162840208
Circumference 511577601.16183
Area 2.0826350745334E+16

Sphere

Radius = n
Volume 2.260911524834E+24
Surface area 8.3305402981334E+16
Circumference 511577601.16183

Square

Length = n
Perimeter 325680416
Area 6629233335370816
Diagonal 115145415.32663

Cube

Length = n
Surface area 39775400012224896
Volume 5.3975286760616E+23
Space diagonal 141023756.88554

Equilateral Triangle

Length = n
Perimeter 244260312
Area 2.8705422380229E+15
Altitude 70511878.442771

Triangular Pyramid

Length = n
Surface area 2.8705422380229E+15
Volume 6.3610485474867E+22
Height 38381805.108876