81497608 (number)

81497608 is an even 8-digits composite number following 81497607 and preceding 81497609. In scientific notation, it is written as 8.1497608 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 40685568 positive integers (up to 81497608) that are relatively prime to 81497608.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1497608 × 10^7
Engineering notation 8.1497608 × 10^6

Prime Factorization of 81497608

Prime Factorization 2 × 2 × 2 × 673 × 15137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20374402
Product of the distinct prime numbers

The prime factorization of 81497608 is 2 × 2 × 2 × 673 × 15137. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81497608)

Multiplication

n×y
n×2 162995216
n×3 244492824
n×4 325990432
n×5 407488040

Division

n÷y
n÷2 40748804
n÷3 27165869.333333
n÷3 20374402
n÷5 16299521.6

Exponentiation

ny
n2 6641860109721664
n3 5.4129571161293E+23
n4 4.4114305717112E+31
n5 3.5952103945253E+39

Nth Root

y√n
2√n 9027.6025610347
3√n 433.55908132267
4√n 95.01369670229
5√n 38.21456958392

Divisors of 81497608

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 -81497607
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 81497608 can be divided by 16 positive divisors. The sum of these divisors (counting 81497608) is 1, the average is 0.0625.

Base conversion 81497608

Base System Value
2 Binary 100110110111000111000001000
3 Ternary 12200100111200221
4 Quaternary 10312320320020
5 Quinary 131330410413
6 Senary 12030435424
8 Octal 466707010
10 Decimal 81497608
12 Duodecimal 23362b74
16 Hexadecimal 4db8e08
20 Vigesimal 1597408
36 Base36 1ciryg

Cryptographic Hash Functions

md5 7b60d7f825a0aeb6ef87ee4792669d6e
sha1 ae65f3b6136e6ca667b8dfa486586aa5778c7377
sha256 8f2867ad5b9ed9f6248b0c3ea9777639df3dc5861e5e8944e0b706f896456854
sha512 290db55df99771299e4eceb36b2899217f25423ddc056b60d6def5001eb38c7544c4d3ec374c7bfc457119507861f20aa0a9a921526c02c24b35f47fc5b91497
ripemd-160 d23fe2ff33a76a3689e2dea01d18317e6740c8e5

81497608 as geometric shapes

Circle

Radius = n
Diameter 162995216
Circumference 512064573.15588
Area 2.0866018926873E+16

Sphere

Radius = n
Volume 2.2673741746971E+24
Surface area 8.3464075707491E+16
Circumference 512064573.15588

Square

Length = n
Perimeter 325990432
Area 6641860109721664
Diagonal 115255022.53457

Cube

Length = n
Surface area 39851160658329984
Volume 5.4129571161293E+23
Space diagonal 141157997.75133

Equilateral Triangle

Length = n
Perimeter 244492824
Area 2.8760097917007E+15
Altitude 70578998.875666

Triangular Pyramid

Length = n
Surface area 2.8760097917007E+15
Volume 6.3792311384784E+22
Height 38418340.844855