81497268 (number)

81497268 is an even 8-digits composite number following 81497267 and preceding 81497269. In scientific notation, it is written as 8.1497268 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 27011856 positive integers (up to 81497268) that are relatively prime to 81497268.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand two hundred sixty-eight

Notation

Scientific notation 8.1497268 × 10^7
Engineering notation 8.1497268 × 10^6

Prime Factorization of 81497268

Prime Factorization 2 × 2 × 9 × 179 × 12647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40748634
Product of the distinct prime numbers

The prime factorization of 81497268 is 2 × 2 × 9 × 179 × 12647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 5, 100, 249, 768, 3307, 9984, 62310, 71379, 239811, 429230, 8825653, 9810430, 59029346, 14845413, 135166716, 79347085, 2561258165, 8341451538

Basic calculations (n = 81497268)

Multiplication

n×y
n×2 162994536
n×3 244491804
n×4 325989072
n×5 407486340

Division

n÷y
n÷2 40748634
n÷3 27165756
n÷3 20374317
n÷5 16299453.6

Exponentiation

ny
n2 6641804691463824
n3 5.4128893694388E+23
n4 4.4113569559551E+31
n5 3.5951354008314E+39

Nth Root

y√n
2√n 9027.5837298803
3√n 433.55847839989
4√n 95.013597605187
5√n 38.214537698382

Divisors of 81497268

1, 2, 4, 9, 18, 36, 179, 358, 716, 1611, 3222, 6444, 12647, 25294, 50588, 113823, 227646, 455292, 2263813, 4527626, 9055252, 20374317, 40748634, 81497268

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497267
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497268 can be divided by 24 positive divisors. The sum of these divisors (counting 81497268) is 1, the average is 0.041666666666667.

Base conversion 81497268

Base System Value
2 Binary 100110110111000110010110100
3 Ternary 12200100111020100
4 Quaternary 10312320302310
5 Quinary 131330403033
6 Senary 12030434100
8 Octal 466706264
10 Decimal 81497268
12 Duodecimal 23362930
16 Hexadecimal 4db8cb4
20 Vigesimal 1597338
36 Base36 1cirp0

Cryptographic Hash Functions

md5 bcc1f6843e3858632e0fb80e8c5b42ea
sha1 07faec16da1039212e5b0e9c6e79ad16acf03891
sha256 4ba7c579cf6818316f903f7aee9ea7f47ac40b5e6521ff0390fcc7523221334e
sha512 8ea8688fadbd56d0fda21e8d85fd0fa079ba3bbadf928cb46b669299bf69047f10130a19c1b629522837d8c0f9c75cbe22f20b866783bb299338a1174d541c40
ripemd-160 7264581e3a23a8498747cb06b87524fd712fa231

81497268 as geometric shapes

Circle

Radius = n
Diameter 162994536
Circumference 512062436.87288
Area 2.0865844825281E+16

Sphere

Radius = n
Volume 2.2673457970298E+24
Surface area 8.3463379301124E+16
Circumference 512062436.87288

Square

Length = n
Perimeter 325989072
Area 6641804691463824
Diagonal 115254541.70195

Cube

Length = n
Surface area 39850828148782944
Volume 5.4128893694388E+23
Space diagonal 141157408.85406

Equilateral Triangle

Length = n
Perimeter 244491804
Area 2.8759857948912E+15
Altitude 70578704.427029

Triangular Pyramid

Length = n
Surface area 2.8759857948912E+15
Volume 6.379151298238E+22
Height 38418180.567318