81275460 (number)

81275460 is an even 8-digits composite number following 81275459 and preceding 81275461. In scientific notation, it is written as 8.1275460 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 18577152 positive integers (up to 81275460) that are relatively prime to 81275460.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1275460 × 10^7
Engineering notation 8.1275460 × 10^6

Prime Factorization of 81275460

Prime Factorization 2 × 2 × 15 × 7 × 193513

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40637730
Product of the distinct prime numbers

The prime factorization of 81275460 is 2 × 2 × 15 × 7 × 193513. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 26, 70, 25, 620, 1364, 6798, 46632, 98588, 798394, 372904, 9468499, 324422, 70896277, 817792, 379270969, 415649652, 7963889750, 3581250995

Basic calculations (n = 81275460)

Multiplication

n×y
n×2 162550920
n×3 243826380
n×4 325101840
n×5 406377300

Division

n÷y
n÷2 40637730
n÷3 27091820
n÷3 20318865
n÷5 16255092

Exponentiation

ny
n2 6605700398211600
n3 5.3688133848683E+23
n4 4.3635277750933E+31
n5 3.5464772714348E+39

Nth Root

y√n
2√n 9015.2903447421
3√n 433.16478783847
4√n 94.94888279881
5√n 38.193713606184

Divisors of 81275460

1, 2, 4, 7, 14, 15, 28, 30, 60, 105, 210, 420, 193513, 387026, 774052, 1354591, 2709182, 2902695, 5418364, 5805390, 11610780, 20318865, 40637730, 81275460

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81275459
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81275460 can be divided by 24 positive divisors. The sum of these divisors (counting 81275460) is 1, the average is 0.041666666666667.

Base conversion 81275460

Base System Value
2 Binary 100110110000010101001000100
3 Ternary 12122221012222020
4 Quaternary 10312002221010
5 Quinary 131301303320
6 Senary 12022003140
8 Octal 466025104
10 Decimal 81275460
12 Duodecimal 232764b0
16 Hexadecimal 4d82a44
20 Vigesimal 157j8d0
36 Base36 1ce0jo

Cryptographic Hash Functions

md5 dfb9c8831aab75bdaf745f93162e2f2c
sha1 b3477356744f51e6e25dcd2b2598ac6dd8216a3d
sha256 aad5105765135ab35724516c6e459dbf8cfa86686260772c1af97aff6cf4271b
sha512 1db17e1c0384fbd88f7d213a8b46da7d85fa56d50b818537837b2be52aacc1020a071330f7a8818f16c1d3a82b38c8b6da0c971f4f60febd16f333bb526e3be4
ripemd-160 f4149ad6d80988e40dae7c9080afe2d4ff8a7b4a

81275460 as geometric shapes

Circle

Radius = n
Diameter 162550920
Circumference 510668776.10626
Area 2.0752419842837E+16

Sphere

Radius = n
Volume 2.2488832917862E+24
Surface area 8.3009679371347E+16
Circumference 510668776.10626

Square

Length = n
Perimeter 325101840
Area 6605700398211600
Diagonal 114940857.82011

Cube

Length = n
Surface area 39634202389269600
Volume 5.3688133848683E+23
Space diagonal 140773226.12853

Equilateral Triangle

Length = n
Perimeter 243826380
Area 2.8603521773201E+15
Altitude 70386613.064266

Triangular Pyramid

Length = n
Surface area 2.8603521773201E+15
Volume 6.3272072522758E+22
Height 38313619.273371