81275560 (number)

81275560 is an even 8-digits composite number following 81275559 and preceding 81275561. In scientific notation, it is written as 8.1275560 × 10^7. The sum of its digits is 34. It has a total of 8 prime factors and 64 positive divisors. There are 30910528 positive integers (up to 81275560) that are relatively prime to 81275560.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1275560 × 10^7
Engineering notation 8.1275560 × 10^6

Prime Factorization of 81275560

Prime Factorization 2 × 2 × 2 × 5 × 23 × 23 × 23 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 38410
Product of the distinct prime numbers

The prime factorization of 81275560 is 2 × 2 × 2 × 5 × 23 × 23 × 23 × 167. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 5, 72, 16, 475, 125, 1168, 3856, 69990, 55165, 137369, 760805, 2307411, 2557866, 57328228, 60311719, 960761803, 647111439, 6782004481, 1678136819

Basic calculations (n = 81275560)

Multiplication

n×y
n×2 162551120
n×3 243826680
n×4 325102240
n×5 406377800

Division

n÷y
n÷2 40637780
n÷3 27091853.333333
n÷3 20318890
n÷5 16255112

Exponentiation

ny
n2 6605716653313600
n3 5.3688332019939E+23
n4 4.3635492503865E+31
n5 3.5464990891274E+39

Nth Root

y√n
2√n 9015.2958908735
3√n 433.16496549136
4√n 94.948912004685
5√n 38.193723004764

Divisors of 81275560

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 167, 184, 230, 334, 460, 529, 668, 835, 920, 1058, 1336, 1670, 2116, 2645, 3340, 3841, 4232, 5290, 6680, 7682, 10580, 12167, 15364, 19205, 21160, 24334, 30728, 38410, 48668, 60835, 76820, 88343, 97336, 121670, 153640, 176686, 243340, 353372, 441715, 486680, 706744, 883430, 1766860, 2031889, 3533720, 4063778, 8127556, 10159445, 16255112, 20318890, 40637780, 81275560

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81275559
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81275560 can be divided by 64 positive divisors. The sum of these divisors (counting 81275560) is 1, the average is 0.015625.

Base conversion 81275560

Base System Value
2 Binary 100110110000010101010101000
3 Ternary 12122221020002221
4 Quaternary 10312002222220
5 Quinary 131301304220
6 Senary 12022003424
8 Octal 466025250
10 Decimal 81275560
12 Duodecimal 23276574
16 Hexadecimal 4d82aa8
20 Vigesimal 157j8i0
36 Base36 1ce0mg

Cryptographic Hash Functions

md5 6ac663e3888d6b30b636e9fd77bf704a
sha1 3870362b96f54d819ce57668fe3d5b0adffe590c
sha256 550b3f20964f51125da349459d127495a27b1586870fa83c3fcceb99042110f6
sha512 c60cacfaaa1f9230f8d179349b55ffb75c6309bab36a0f51254f190a8d2414c9598dfa4939c736d3327a434132b5a9a55324f083b8617ef742609f63d0b879db
ripemd-160 72cb221ffafa629f761f4fa832de1e2daadf67e5

81275560 as geometric shapes

Circle

Radius = n
Diameter 162551120
Circumference 510669404.42479
Area 2.0752470909746E+16

Sphere

Radius = n
Volume 2.2488915927644E+24
Surface area 8.3009883638983E+16
Circumference 510669404.42479

Square

Length = n
Perimeter 325102240
Area 6605716653313600
Diagonal 114940999.24147

Cube

Length = n
Surface area 39634299919881600
Volume 5.3688332019939E+23
Space diagonal 140773399.33361

Equilateral Triangle

Length = n
Perimeter 243826680
Area 2.8603592159858E+15
Altitude 70386699.666806

Triangular Pyramid

Length = n
Surface area 2.8603592159858E+15
Volume 6.3272306069823E+22
Height 38313666.413823