81553670 (number)

81553670 is an even 8-digits composite number following 81553669 and preceding 81553671. In scientific notation, it is written as 8.1553670 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors. There are 29532640 positive integers (up to 81553670) that are relatively prime to 81553670.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-three thousand six hundred seventy

Notation

Scientific notation 8.1553670 × 10^7
Engineering notation 8.1553670 × 10^6

Prime Factorization of 81553670

Prime Factorization 2 × 5 × 11 × 263 × 2819

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81553670
Product of the distinct prime numbers

The prime factorization of 81553670 is 2 × 5 × 11 × 263 × 2819. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 82, 98, 63, 402, 1068, 419, 78327, 35598, 762283, 504545, 4256675, 1018882, 42651895, 18920456, 434193524, 84265971, 1540341864, 1774532025

Basic calculations (n = 81553670)

Multiplication

n×y
n×2 163107340
n×3 244661010
n×4 326214680
n×5 407768350

Division

n÷y
n÷2 40776835
n÷3 27184556.666667
n÷3 20388417.5
n÷5 16310734

Exponentiation

ny
n2 6651001090468900
n3 5.4241354810174E+23
n4 4.4235815505418E+31
n5 3.6075930999098E+39

Nth Root

y√n
2√n 9030.7070598043
3√n 433.65847327029
4√n 95.030032409783
5√n 38.219825679158

Divisors of 81553670

1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 1315, 2630, 2819, 2893, 5638, 5786, 14095, 14465, 28190, 28930, 31009, 62018, 155045, 310090, 741397, 1482794, 3706985, 7413970, 8155367, 16310734, 40776835, 81553670

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81553669
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81553670 can be divided by 32 positive divisors. The sum of these divisors (counting 81553670) is 1, the average is 0.03125.

Base conversion 81553670

Base System Value
2 Binary 100110111000110100100000110
3 Ternary 12200110100121022
4 Quaternary 10313012210012
5 Quinary 131334204140
6 Senary 12031551142
8 Octal 467064406
10 Decimal 81553670
12 Duodecimal 2338b4b2
16 Hexadecimal 4dc6906
20 Vigesimal 159e43a
36 Base36 1cjz7q

Cryptographic Hash Functions

md5 09c94b770c8c15fce60453e261b350e2
sha1 4916ad6213ddfb89b72b0bd4476bb8e8930bd9d2
sha256 44d34495c7ab28741e47d57edbfc1479977f1e19d929174476821d28de48f4b9
sha512 d8329ce24fe8dd52380d3400ad1a547408d38a43f2f38f74700dcf77bc9ab6d982f004ee4513fed558c81579f37013201c97acd2b3c3fa00a540ccc8c6af9ec9
ripemd-160 5bf7298e4906c03ce07bd0071a2166fc19d4305d

81553670 as geometric shapes

Circle

Radius = n
Diameter 163107340
Circumference 512416821.09057
Area 2.0894736164835E+16

Sphere

Radius = n
Volume 2.272056557232E+24
Surface area 8.3578944659339E+16
Circumference 512416821.09057

Square

Length = n
Perimeter 326214680
Area 6651001090468900
Diagonal 115334306.1753

Cube

Length = n
Surface area 39906006542813400
Volume 5.4241354810174E+23
Space diagonal 141255099.98371

Equilateral Triangle

Length = n
Perimeter 244661010
Area 2.879967952472E+15
Altitude 70627549.991853

Triangular Pyramid

Length = n
Surface area 2.879967952472E+15
Volume 6.3924049678366E+22
Height 38444768.7251