81263670 (number)

81263670 is an even 8-digits composite number following 81263669 and preceding 81263671. In scientific notation, it is written as 8.1263670 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 21525600 positive integers (up to 81263670) that are relatively prime to 81263670.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred sixty-three thousand six hundred seventy

Notation

Scientific notation 8.1263670 × 10^7
Engineering notation 8.1263670 × 10^6

Prime Factorization of 81263670

Prime Factorization 2 × 15 × 151 × 17939

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81263670
Product of the distinct prime numbers

The prime factorization of 81263670 is 2 × 15 × 151 × 17939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 31, 94, 129, 193, 2197, 2348, 51487, 58954, 426116, 806861, 2776339, 1036297, 91480390, 934626, 464904230, 18451934, 6955373440, 5068291364

Basic calculations (n = 81263670)

Multiplication

n×y
n×2 162527340
n×3 243791010
n×4 325054680
n×5 406318350

Division

n÷y
n÷2 40631835
n÷3 27087890
n÷3 20315917.5
n÷5 16252734

Exponentiation

ny
n2 6603784061868900
n3 5.3664772875497E+23
n4 4.3609963935794E+31
n5 3.5439057179902E+39

Nth Root

y√n
2√n 9014.6364319367
3√n 433.1438415413
4√n 94.945439237157
5√n 38.192605448778

Divisors of 81263670

1, 2, 15, 30, 151, 302, 2265, 4530, 17939, 35878, 269085, 538170, 2708789, 5417578, 40631835, 81263670

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 -81263669
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 81263670 can be divided by 16 positive divisors. The sum of these divisors (counting 81263670) is 1, the average is 0.0625.

Base conversion 81263670

Base System Value
2 Binary 100110101111111110000110110
3 Ternary 12122220121210120
4 Quaternary 10311333300312
5 Quinary 131300414140
6 Senary 12021432410
8 Octal 465776066
10 Decimal 81263670
12 Duodecimal 2326b706
16 Hexadecimal 4d7fc36
20 Vigesimal 157hj3a
36 Base36 1cdrg6

Cryptographic Hash Functions

md5 6f45d06497ea5c381757570a6408980b
sha1 fc945162c024c9a1023e2f5a1917d8849284e583
sha256 d7fa85caf6970f4ad16a70ec4ca0970ec76164d52d8d3850b63d0d770a751402
sha512 0ee1eabeb1ba85bd522f71c641937842960eaee6f87d72bbb03cf18ed8335709f0bc2efa02bdd7c7fd22ea4ece377d0a6e917825f1468efbbe51b9cc4d54bd90
ripemd-160 c18a6aecf9df1be1d4b28db37fabf953ca7f72b7

81263670 as geometric shapes

Circle

Radius = n
Diameter 162527340
Circumference 510594697.35149
Area 2.0746399494661E+16

Sphere

Radius = n
Volume 2.2479047496297E+24
Surface area 8.2985597978643E+16
Circumference 510594697.35149

Square

Length = n
Perimeter 325054680
Area 6603784061868900
Diagonal 114924184.24221

Cube

Length = n
Surface area 39622704371213400
Volume 5.3664772875497E+23
Space diagonal 140752805.24951

Equilateral Triangle

Length = n
Perimeter 243791010
Area 2.8595223793426E+15
Altitude 70376402.624755

Triangular Pyramid

Length = n
Surface area 2.8595223793426E+15
Volume 6.3244541351834E+22
Height 38308061.414071