81448265 (number)

81448265 is an odd 8-digits composite number following 81448264 and preceding 81448266. In scientific notation, it is written as 8.1448265 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 65158608 positive integers (up to 81448265) that are relatively prime to 81448265.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-eight thousand two hundred sixty-five

Notation

Scientific notation 8.1448265 × 10^7
Engineering notation 8.1448265 × 10^6

Prime Factorization of 81448265

Prime Factorization 5 × 16289653

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81448265
Product of the distinct prime numbers

The prime factorization of 81448265 is 5 × 16289653. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 72, 99, 198, 633, 7204, 5847, 85101, 67657, 592498, 777702, 8673719, 8243894, 72252856, 45135585, 158398504, 381487433, 7908366079, 6441900565

Basic calculations (n = 81448265)

Multiplication

n×y
n×2 162896530
n×3 244344795
n×4 325793060
n×5 407241325

Division

n÷y
n÷2 40724132.5
n÷3 27149421.666667
n÷3 20362066.25
n÷5 16289653

Exponentiation

ny
n2 6633819871510225
n3 5.4031311885703E+23
n4 4.4007566087644E+31
n5 3.5843399047114E+39

Nth Root

y√n
2√n 9024.8692511305
3√n 433.47156372456
4√n 94.999311845563
5√n 38.209941034981

Divisors of 81448265

1, 5, 16289653, 81448265

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81448264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81448265 can be divided by 4 positive divisors. The sum of these divisors (counting 81448265) is 1, the average is 0.25.

Base conversion 81448265

Base System Value
2 Binary 100110110101100110101001001
3 Ternary 12200021000000102
4 Quaternary 10312230311021
5 Quinary 131322321030
6 Senary 12025415145
8 Octal 466546511
10 Decimal 81448265
12 Duodecimal 2333a4b5
16 Hexadecimal 4dacd49
20 Vigesimal 15910d5
36 Base36 1chpvt

Cryptographic Hash Functions

md5 ae8b45791582e86615dfccd6d0090b52
sha1 51e3332f4a6dbe7414b727e3203618b75aa0798c
sha256 79b77ff6e702cf809bf66b75bd13e7649f6819ff14ece270035e03a0624ffe9a
sha512 2d9e5787c97960e0318903c28ef5bfbe5d7a2a1ad2f1136c9b95af39f165b6ddbeefb99a66b971d432a49e1023d561da607a05008ecfaed6bd6d0868ec65b07b
ripemd-160 8d3973129d0f23e1144e1092e33387a51940d042

81448265 as geometric shapes

Circle

Radius = n
Diameter 162896530
Circumference 511754541.94327
Area 2.0840759773575E+16

Sphere

Radius = n
Volume 2.2632582997859E+24
Surface area 8.3363039094298E+16
Circumference 511754541.94327

Square

Length = n
Perimeter 325793060
Area 6633819871510225
Diagonal 115185240.99476

Cube

Length = n
Surface area 39802919229061350
Volume 5.4031311885703E+23
Space diagonal 141072533.16833

Equilateral Triangle

Length = n
Perimeter 244344795
Area 2.8725282664289E+15
Altitude 70536266.584167

Triangular Pyramid

Length = n
Surface area 2.8725282664289E+15
Volume 6.3676511717977E+22
Height 38395080.331586