81007270 (number)

81007270 is an even 8-digits composite number following 81007269 and preceding 81007271. In scientific notation, it is written as 8.1007270 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 31649184 positive integers (up to 81007270) that are relatively prime to 81007270.

Interesting facts

Basic properties

Name

Name eighty-one million seven thousand two hundred seventy

Notation

Scientific notation 8.1007270 × 10^7
Engineering notation 8.1007270 × 10^6

Prime Factorization of 81007270

Prime Factorization 2 × 5 × 43 × 188389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81007270
Product of the distinct prime numbers

The prime factorization of 81007270 is 2 × 5 × 43 × 188389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 55, 19, 566, 916, 7023, 4322, 44967, 69778, 362261, 369695, 4740379, 8707513, 58147549, 50837828, 469426313, 256308864, 4219714088, 9650144884

Basic calculations (n = 81007270)

Multiplication

n×y
n×2 162014540
n×3 243021810
n×4 324029080
n×5 405036350

Division

n÷y
n÷2 40503635
n÷3 27002423.333333
n÷3 20251817.5
n÷5 16201454

Exponentiation

ny
n2 6562177792852900
n3 5.3158410825364E+23
n4 4.3062177385012E+31
n5 3.4883494302155E+39

Nth Root

y√n
2√n 9000.4038798267
3√n 432.68781534
4√n 94.87045841476
5√n 38.168474206961

Divisors of 81007270

1, 2, 5, 10, 43, 86, 215, 430, 188389, 376778, 941945, 1883890, 8100727, 16201454, 40503635, 81007270

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 -81007269
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 81007270 can be divided by 16 positive divisors. The sum of these divisors (counting 81007270) is 1, the average is 0.0625.

Base conversion 81007270

Base System Value
2 Binary 100110101000001001010100110
3 Ternary 12122102121002021
4 Quaternary 10311001022212
5 Quinary 131214213040
6 Senary 12012133354
8 Octal 465011246
10 Decimal 81007270
12 Duodecimal 2316725a
16 Hexadecimal 4d412a6
20 Vigesimal 1565i3a
36 Base36 1c89ly

Cryptographic Hash Functions

md5 179a5cac53304a7f54a171e69c1aa1ae
sha1 78735c08ada6111d07fa2b68c74327ae99b96517
sha256 fb384d5fb66e4037dc2e070f66655dda01539d75361c7cd57f9ce1bfedb265b7
sha512 299631baa842fddcd4ccc02ed5444e2f85d488416c89427cfeb9467e957d741c531534e827d2b86de005a6504bab7a432c667c9a70098d99adf26323dcca38a1
ripemd-160 631cb585ce18c237fc114c26b57e825b4be12072

81007270 as geometric shapes

Circle

Radius = n
Diameter 162014540
Circumference 508983688.63873
Area 2.0615689545577E+16

Sphere

Radius = n
Volume 2.226694305673E+24
Surface area 8.2462758182307E+16
Circumference 508983688.63873

Square

Length = n
Perimeter 324029080
Area 6562177792852900
Diagonal 114561579.88482

Cube

Length = n
Surface area 39373066757117400
Volume 5.3158410825364E+23
Space diagonal 140308707.42245

Equilateral Triangle

Length = n
Perimeter 243021810
Area 2.8415063363804E+15
Altitude 70154353.711225

Triangular Pyramid

Length = n
Surface area 2.8415063363804E+15
Volume 6.2647787952859E+22
Height 38187193.29494