81497850 (number)

81497850 is an even 8-digits composite number following 81497849 and preceding 81497851. In scientific notation, it is written as 8.1497850 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 18627840 positive integers (up to 81497850) that are relatively prime to 81497850.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand eight hundred fifty

Notation

Scientific notation 8.1497850 × 10^7
Engineering notation 8.1497850 × 10^6

Prime Factorization of 81497850

Prime Factorization 2 × 525 × 77617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81497850
Product of the distinct prime numbers

The prime factorization of 81497850 is 2 × 525 × 77617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497850)

Multiplication

n×y
n×2 162995700
n×3 244493550
n×4 325991400
n×5 407489250

Division

n÷y
n÷2 40748925
n÷3 27165950
n÷3 20374462.5
n÷5 16299570

Exponentiation

ny
n2 6641899554622500
n3 5.4130053361769E+23
n4 4.4114829693695E+31
n5 3.5952637731523E+39

Nth Root

y√n
2√n 9027.6159643618
3√n 433.5595104608
4√n 95.013767235921
5√n 38.214592278856

Divisors of 81497850

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497849
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497850 can be divided by 8 positive divisors. The sum of these divisors (counting 81497850) is 1, the average is 0.125.

Base conversion 81497850

Base System Value
2 Binary 100110110111000111011111010
3 Ternary 12200100112000220
4 Quaternary 10312320323322
5 Quinary 131330412400
6 Senary 12030440510
8 Octal 466707372
10 Decimal 81497850
12 Duodecimal 23363136
16 Hexadecimal 4db8efa
20 Vigesimal 15974ca
36 Base36 1cis56

Cryptographic Hash Functions

md5 63db56f522ba1a1ef6fcf2492bee5d60
sha1 c247bea06017212ffaeb3d8f50b7c35be24c97be
sha256 070a8185809dbe097c4001e1f48b85d1f4b295a660d5a1c8178ca640822415f3
sha512 ebc7bcd4df9b77c6bf08c7f44e22b312d6cf4a3f728ed949cfccdcb9bf4e3ed6885c78e31abc9912043025011eaba6a3d0b5e7c74c91cca5a9caa40ea27a84df
ripemd-160 704e4c4ae3abb982bd036e47809693f0c10a9301

81497850 as geometric shapes

Circle

Radius = n
Diameter 162995700
Circumference 512066093.68673
Area 2.0866142846683E+16

Sphere

Radius = n
Volume 2.2673943730634E+24
Surface area 8.3464571386733E+16
Circumference 512066093.68673

Square

Length = n
Perimeter 325991400
Area 6641899554622500
Diagonal 115255364.77425

Cube

Length = n
Surface area 39851397327735000
Volume 5.4130053361769E+23
Space diagonal 141158416.90763

Equilateral Triangle

Length = n
Perimeter 244493550
Area 2.8760268718438E+15
Altitude 70579208.453814

Triangular Pyramid

Length = n
Surface area 2.8760268718438E+15
Volume 6.3792879663494E+22
Height 38418454.924749