81301140 (number)

81301140 is an even 8-digits composite number following 81301139 and preceding 81301141. In scientific notation, it is written as 8.1301140 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 72 positive divisors. There are 20279808 positive integers (up to 81301140) that are relatively prime to 81301140.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred one thousand one hundred forty

Notation

Scientific notation 8.1301140 × 10^7
Engineering notation 8.1301140 × 10^6

Prime Factorization of 81301140

Prime Factorization 2 × 2 × 17 × 9 × 5 × 163 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 249390
Product of the distinct prime numbers

The prime factorization of 81301140 is 2 × 2 × 17 × 9 × 5 × 163 × 163. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 1, 8, 73, 236, 447, 9666, 2146, 70134, 58520, 901920, 235612, 3065178, 4630619, 93173510, 20822914, 713821286, 810646782, 7765258758, 3852957451

Basic calculations (n = 81301140)

Multiplication

n×y
n×2 162602280
n×3 243903420
n×4 325204560
n×5 406505700

Division

n÷y
n÷2 40650570
n÷3 27100380
n÷3 20325285
n÷5 16260228

Exponentiation

ny
n2 6609875365299600
n3 5.3739040245677E+23
n4 4.3690452344795E+31
n5 3.5520835827475E+39

Nth Root

y√n
2√n 9016.7144792324
3√n 433.21040431525
4√n 94.956381982637
5√n 38.196126857684

Divisors of 81301140

1, 2, 4, 5, 9, 10, 17, 18, 20, 34, 36, 45, 68, 85, 90, 153, 163, 170, 180, 306, 326, 340, 612, 652, 765, 815, 1467, 1530, 1630, 2771, 2934, 3060, 3260, 5542, 5868, 7335, 11084, 13855, 14670, 24939, 26569, 27710, 29340, 49878, 53138, 55420, 99756, 106276, 124695, 132845, 239121, 249390, 265690, 451673, 478242, 498780, 531380, 903346, 956484, 1195605, 1806692, 2258365, 2391210, 4065057, 4516730, 4782420, 8130114, 9033460, 16260228, 20325285, 40650570, 81301140

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81301139
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81301140 can be divided by 72 positive divisors. The sum of these divisors (counting 81301140) is 1, the average is 0.013888888888889.

Base conversion 81301140

Base System Value
2 Binary 100110110001000111010010100
3 Ternary 12122222112012100
4 Quaternary 10312020322110
5 Quinary 131303114030
6 Senary 12022322100
8 Octal 466107224
10 Decimal 81301140
12 Duodecimal 23289330
16 Hexadecimal 4d88e94
20 Vigesimal 1582ch0
36 Base36 1cekd0

Cryptographic Hash Functions

md5 023107b0481373705367aef995dee962
sha1 6c7625a2d71ca6854c21956f38ab855801a54815
sha256 587f0255cf86ba5a70e9b8ec9615c97fbe8faf3c89e66df94a067cc6e1604842
sha512 8d7819d315e71d9c1b705c2348222b781c19c021e2dd65a0b7d76f40721b80f56c43721dff4acf6652c733abbbcaa9bcce76b01dce6d03be05a493855ab67d1d
ripemd-160 8c9a5ca192257309eeaeaaa9bf6bea0cf665c7a7

81301140 as geometric shapes

Circle

Radius = n
Diameter 162602280
Circumference 510830128.30495
Area 2.0765535888769E+16

Sphere

Radius = n
Volume 2.2510156539572E+24
Surface area 8.3062143555077E+16
Circumference 510830128.30495

Square

Length = n
Perimeter 325204560
Area 6609875365299600
Diagonal 114977174.82439

Cube

Length = n
Surface area 39659252191797600
Volume 5.3739040245677E+23
Space diagonal 140817705.19327

Equilateral Triangle

Length = n
Perimeter 243903420
Area 2.8621599910992E+15
Altitude 70408852.596635

Triangular Pyramid

Length = n
Surface area 2.8621599910992E+15
Volume 6.3332066286959E+22
Height 38325724.941465