81738250 (number)

81738250 is an even 8-digits composite number following 81738249 and preceding 81738251. In scientific notation, it is written as 8.1738250 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 29722000 positive integers (up to 81738250) that are relatively prime to 81738250.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand two hundred fifty

Notation

Scientific notation 8.1738250 × 10^7
Engineering notation 8.1738250 × 10^6

Prime Factorization of 81738250

Prime Factorization 2 × 125 × 11 × 29723

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81738250
Product of the distinct prime numbers

The prime factorization of 81738250 is 2 × 125 × 11 × 29723. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 26, 100, 345, 131, 398, 4671, 1151, 6699, 356187, 213542, 6844058, 1109589, 21137124, 96730327, 702343402, 899578292, 5720938156, 418714067

Basic calculations (n = 81738250)

Multiplication

n×y
n×2 163476500
n×3 245214750
n×4 326953000
n×5 408691250

Division

n÷y
n÷2 40869125
n÷3 27246083.333333
n÷3 20434562.5
n÷5 16347650

Exponentiation

ny
n2 6681141513062500
n3 5.4610481528008E+23
n4 4.4637651917567E+31
n5 3.6486035518511E+39

Nth Root

y√n
2√n 9040.9208601779
3√n 433.98539241681
4√n 95.083757078577
5√n 38.237110584702

Divisors of 81738250

1, 2, 11, 22, 125, 250, 1375, 2750, 29723, 59446, 326953, 653906, 3715375, 7430750, 40869125, 81738250

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 -81738249
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 81738250 can be divided by 16 positive divisors. The sum of these divisors (counting 81738250) is 1, the average is 0.0625.

Base conversion 81738250

Base System Value
2 Binary 100110111110011101000001010
3 Ternary 12200210201210121
4 Quaternary 10313303220022
5 Quinary 131411111000
6 Senary 12035533454
8 Octal 467635012
10 Decimal 81738250
12 Duodecimal 2345a28a
16 Hexadecimal 4df3a0a
20 Vigesimal 15ah5ca
36 Base36 1cnxmy

Cryptographic Hash Functions

md5 61f7c78b85a276e6eb80ee520ddf6f20
sha1 da453f21946a9ffb330ce6ac185a2b51980cf359
sha256 359ca2ffc72192e7ff7a8787418f5a54554c28c21f90bdcb234c579d729a9236
sha512 6e4a6973b2ff4c8374e59d69fdf9031aeac1ba61a946310c89c72071356fdb410a7f792c8a3773f5712df9c50adc5442734e84f0744645512cb5e386f10db412
ripemd-160 a2d9299df7267ab366b860a2e64d03f796a856aa

81738250 as geometric shapes

Circle

Radius = n
Diameter 163476500
Circumference 513576571.43457
Area 2.0989425095031E+16

Sphere

Radius = n
Volume 2.2875185010319E+24
Surface area 8.3957700380124E+16
Circumference 513576571.43457

Square

Length = n
Perimeter 326953000
Area 6681141513062500
Diagonal 115595341.71464

Cube

Length = n
Surface area 40086849078375000
Volume 5.4610481528008E+23
Space diagonal 141574801.92177

Equilateral Triangle

Length = n
Perimeter 245214750
Area 2.8930191382955E+15
Altitude 70787400.960883

Triangular Pyramid

Length = n
Surface area 2.8930191382955E+15
Volume 6.4359069687195E+22
Height 38531780.571548