81497169 (number)

81497169 is an odd 8-digits composite number following 81497168 and preceding 81497170. In scientific notation, it is written as 8.1497169 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 48190464 positive integers (up to 81497169) that are relatively prime to 81497169.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand one hundred sixty-nine

Notation

Scientific notation 8.1497169 × 10^7
Engineering notation 8.1497169 × 10^6

Prime Factorization of 81497169

Prime Factorization 9 × 13 × 43 × 97 × 167

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81497169
Product of the distinct prime numbers

The prime factorization of 81497169 is 9 × 13 × 43 × 97 × 167. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 40, 27, 645, 122, 7453, 3657, 66752, 39887, 827340, 722941, 4406660, 9656724, 42047487, 15927268, 262678980, 232836866, 4170989856, 9054261655

Basic calculations (n = 81497169)

Multiplication

n×y
n×2 162994338
n×3 244491507
n×4 325988676
n×5 407485845

Division

n÷y
n÷2 40748584.5
n÷3 27165723
n÷3 20374292.25
n÷5 16299433.8

Exponentiation

ny
n2 6641788555014561
n3 5.4128696433029E+23
n4 4.4113355209522E+31
n5 3.5951135646675E+39

Nth Root

y√n
2√n 9027.5782466839
3√n 433.55830284265
4√n 95.013568750384
5√n 38.214528414044

Divisors of 81497169

1, 9, 13, 43, 97, 117, 167, 387, 559, 873, 1261, 1503, 2171, 4171, 5031, 7181, 11349, 16199, 19539, 37539, 54223, 64629, 93353, 145791, 210587, 488007, 696557, 840177, 1895283, 6269013, 9055241, 81497169

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497168
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497169 can be divided by 32 positive divisors. The sum of these divisors (counting 81497169) is 1, the average is 0.03125.

Base conversion 81497169

Base System Value
2 Binary 100110110111000110001010001
3 Ternary 12200100111002200
4 Quaternary 10312320301101
5 Quinary 131330402134
6 Senary 12030433413
8 Octal 466706121
10 Decimal 81497169
12 Duodecimal 23362869
16 Hexadecimal 4db8c51
20 Vigesimal 15972i9
36 Base36 1cirm9

Cryptographic Hash Functions

md5 1ce39a1eb9f471783c11773f254cc3ae
sha1 36d4852193a493b42abfe5c031866484f2f27f12
sha256 fe65820d3392a936e29b44da815e33eae5f0f072d238763d354a2a764db5d787
sha512 e4f5b1f180a77378b9829a831a24bfca821d54b06a732a0a4bbd43758f9ed021932fe112bc73af9246f8b52f4ad8f51d6738765cb2c642de809f2ed538389dfa
ripemd-160 cb02970579bbf859f8e77d5e6000bcf3730eaca5

81497169 as geometric shapes

Circle

Radius = n
Diameter 162994338
Circumference 512061814.83753
Area 2.0865794131131E+16

Sphere

Radius = n
Volume 2.2673375341653E+24
Surface area 8.3463176524522E+16
Circumference 512061814.83753

Square

Length = n
Perimeter 325988676
Area 6641788555014561
Diagonal 115254401.69481

Cube

Length = n
Surface area 39850731330087366
Volume 5.4128696433029E+23
Space diagonal 141157237.38103

Equilateral Triangle

Length = n
Perimeter 244491507
Area 2.8759788076037E+15
Altitude 70578618.690514

Triangular Pyramid

Length = n
Surface area 2.8759788076037E+15
Volume 6.3791280507638E+22
Height 38418133.898271