81497270 (number)

81497270 is an even 8-digits composite number following 81497269 and preceding 81497271. In scientific notation, it is written as 8.1497270 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 30744576 positive integers (up to 81497270) that are relatively prime to 81497270.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand two hundred seventy

Notation

Scientific notation 8.1497270 × 10^7
Engineering notation 8.1497270 × 10^6

Prime Factorization of 81497270

Prime Factorization 2 × 95 × 257 × 1669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81497270
Product of the distinct prime numbers

The prime factorization of 81497270 is 2 × 95 × 257 × 1669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 72, 7, 733, 381, 3730, 9386, 43408, 8434, 142672, 940890, 5850090, 2157388, 87900626, 18878666, 555313607, 144112755, 2776323195, 8224800235

Basic calculations (n = 81497270)

Multiplication

n×y
n×2 162994540
n×3 244491810
n×4 325989080
n×5 407486350

Division

n÷y
n÷2 40748635
n÷3 27165756.666667
n÷3 20374317.5
n÷5 16299454

Exponentiation

ny
n2 6641805017452900
n3 5.4128897679471E+23
n4 4.4113573889863E+31
n5 3.5951358419671E+39

Nth Root

y√n
2√n 9027.5838406519
3√n 433.5584819465
4√n 95.013598188112
5√n 38.214537885945

Divisors of 81497270

1, 2, 95, 190, 257, 514, 1669, 3338, 24415, 48830, 158555, 317110, 428933, 857866, 40748635, 81497270

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 -81497269
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 81497270 can be divided by 16 positive divisors. The sum of these divisors (counting 81497270) is 1, the average is 0.0625.

Base conversion 81497270

Base System Value
2 Binary 100110110111000110010110110
3 Ternary 12200100111020102
4 Quaternary 10312320302312
5 Quinary 131330403040
6 Senary 12030434102
8 Octal 466706266
10 Decimal 81497270
12 Duodecimal 23362932
16 Hexadecimal 4db8cb6
20 Vigesimal 159733a
36 Base36 1cirp2

Cryptographic Hash Functions

md5 dab81dd1315626786c37892938a88443
sha1 0508765e7ff8fe8a2eee3477fc35862a3aabd62a
sha256 427c8476e9431002e4f1f1da891859eef8496a56e28be5811630e3ac264f8067
sha512 e8c269925b767e0b6072cbf95c986977b6d34c5d86e297dc07f3f1196492c4cf992406c00f2c9f30a40b96691d16f5aa432266ebc5db6d6817aced69ce338a1e
ripemd-160 f20f2ca70e2a8b4efc8e5842475868ae634dceed

81497270 as geometric shapes

Circle

Radius = n
Diameter 162994540
Circumference 512062449.43925
Area 2.0865845849406E+16

Sphere

Radius = n
Volume 2.2673459639565E+24
Surface area 8.3463383397623E+16
Circumference 512062449.43925

Square

Length = n
Perimeter 325989080
Area 6641805017452900
Diagonal 115254544.53038

Cube

Length = n
Surface area 39850830104717400
Volume 5.4128897679471E+23
Space diagonal 141157412.31816

Equilateral Triangle

Length = n
Perimeter 244491810
Area 2.8759859360486E+15
Altitude 70578706.159079

Triangular Pyramid

Length = n
Surface area 2.8759859360486E+15
Volume 6.3791517678845E+22
Height 38418181.510127