81265848 (number)

81265848 is an even 8-digits composite number following 81265847 and preceding 81265849. In scientific notation, it is written as 8.1265848 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 25495040 positive integers (up to 81265848) that are relatively prime to 81265848.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1265848 × 10^7
Engineering notation 8.1265848 × 10^6

Prime Factorization of 81265848

Prime Factorization 2 × 2 × 2 × 3 × 17 × 199181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20316462
Product of the distinct prime numbers

The prime factorization of 81265848 is 2 × 2 × 2 × 3 × 17 × 199181. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81265848)

Multiplication

n×y
n×2 162531696
n×3 243797544
n×4 325063392
n×5 406329240

Division

n÷y
n÷2 40632924
n÷3 27088616
n÷3 20316462
n÷5 16253169.6

Exponentiation

ny
n2 6604138051159104
n3 5.3669087903651E+23
n4 4.3614639398768E+31
n5 3.5443806559551E+39

Nth Root

y√n
2√n 9014.7572346681
3√n 433.14771116249
4√n 94.946075404242
5√n 38.192810171511

Divisors of 81265848

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 -81265847
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 81265848 can be divided by 32 positive divisors. The sum of these divisors (counting 81265848) is 1, the average is 0.03125.

Base conversion 81265848

Base System Value
2 Binary 100110110000000010010111000
3 Ternary 12122220201210020
4 Quaternary 10312000102320
5 Quinary 131301001343
6 Senary 12021450440
8 Octal 466002270
10 Decimal 81265848
12 Duodecimal 23270a20
16 Hexadecimal 4d804b8
20 Vigesimal 157i4c8
36 Base36 1cdt4o

Cryptographic Hash Functions

md5 cb706b49e928f189c4d9cef34045e74c
sha1 9cef1520ed39edc8005b30f2317c97eee5fc70df
sha256 cf73d713f43393d9bce42a458fdc2f2492ac5cec87b81829c1f7e95102cb3de3
sha512 83fe6d0ca226c94ca58bcf5ccb7ad3fcf2fb097a86645102a91a6cd7b9a950e2be1317920b73d7f67809cb2357036fea3d07c73dd196aa80fe2c1a4b8532c1db
ripemd-160 27f9273b13beed14b29f28f99688fea2092c7a49

81265848 as geometric shapes

Circle

Radius = n
Diameter 162531696
Circumference 510608382.12909
Area 2.0747511584814E+16

Sphere

Radius = n
Volume 2.2480854971063E+24
Surface area 8.2990046339257E+16
Circumference 510608382.12909

Square

Length = n
Perimeter 325063392
Area 6604138051159104
Diagonal 114927264.39935

Cube

Length = n
Surface area 39624828306954624
Volume 5.3669087903651E+23
Space diagonal 140756577.65617

Equilateral Triangle

Length = n
Perimeter 243797544
Area 2.8596756612016E+15
Altitude 70378288.828085

Triangular Pyramid

Length = n
Surface area 2.8596756612016E+15
Volume 6.3249626661281E+22
Height 38309088.133117