81492068 (number)

81492068 is an even 8-digits composite number following 81492067 and preceding 81492069. In scientific notation, it is written as 8.1492068 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 34884000 positive integers (up to 81492068) that are relatively prime to 81492068.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-two thousand sixty-eight

Notation

Scientific notation 8.1492068 × 10^7
Engineering notation 8.1492068 × 10^6

Prime Factorization of 81492068

Prime Factorization 2 × 2 × 7 × 1531 × 1901

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40746034
Product of the distinct prime numbers

The prime factorization of 81492068 is 2 × 2 × 7 × 1531 × 1901. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 96, 51, 521, 561, 4361, 2612, 23467, 80750, 562912, 263877, 3748066, 4339505, 31827079, 39732286, 432319242, 350121045, 6596526538, 3149588085

Basic calculations (n = 81492068)

Multiplication

n×y
n×2 162984136
n×3 244476204
n×4 325968272
n×5 407460340

Division

n÷y
n÷2 40746034
n÷3 27164022.666667
n÷3 20373017
n÷5 16298413.6

Exponentiation

ny
n2 6640957146916624
n3 5.4118533140162E+23
n4 4.4102311827183E+31
n5 3.593988594378E+39

Nth Root

y√n
2√n 9027.2957190955
3√n 433.54925701904
4√n 95.012081963798
5√n 38.214050023954

Divisors of 81492068

1, 2, 4, 7, 14, 28, 1531, 1901, 3062, 3802, 6124, 7604, 10717, 13307, 21434, 26614, 42868, 53228, 2910431, 5820862, 11641724, 20373017, 40746034, 81492068

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 -81492067
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 81492068 can be divided by 24 positive divisors. The sum of these divisors (counting 81492068) is 1, the average is 0.041666666666667.

Base conversion 81492068

Base System Value
2 Binary 100110110110111100001100100
3 Ternary 12200100020002202
4 Quaternary 10312313201210
5 Quinary 131330221233
6 Senary 12030354032
8 Octal 466674144
10 Decimal 81492068
12 Duodecimal 2335b918
16 Hexadecimal 4db7864
20 Vigesimal 1596a38
36 Base36 1cinok

Cryptographic Hash Functions

md5 9c9ec70f65395c66c86d3ec21f4805f1
sha1 8e9e21a80971f8947d0f4c8a817d164ad8b9a5c4
sha256 2cf08c79e90546ec8aa54a58d0b04ee271a6203955653b46eaa822584c3afe29
sha512 5d2b82c4359f72a587991393a9b8003399147175156170c465f2fed1a3e167d671d9f2b878bde1fdfb75ccb9a0b5fcb4dbfbbc83f6e28981cc73c0841795cc68
ripemd-160 10b2c3d4042005e4fa1da12a2abfd37e22e520b3

81492068 as geometric shapes

Circle

Radius = n
Diameter 162984136
Circumference 512029764.30928
Area 2.0863182185558E+16

Sphere

Radius = n
Volume 2.2669118151492E+24
Surface area 8.3452728742232E+16
Circumference 512029764.30928

Square

Length = n
Perimeter 325968272
Area 6640957146916624
Diagonal 115247187.79143

Cube

Length = n
Surface area 39845742881499744
Volume 5.4118533140162E+23
Space diagonal 141148402.18986

Equilateral Triangle

Length = n
Perimeter 244476204
Area 2.8756187973368E+15
Altitude 70574201.094929

Triangular Pyramid

Length = n
Surface area 2.8756187973368E+15
Volume 6.3779302952129E+22
Height 38415729.26381