81265827 (number)

81265827 is an odd 8-digits composite number following 81265826 and preceding 81265828. In scientific notation, it is written as 8.1265827 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54177216 positive integers (up to 81265827) that are relatively prime to 81265827.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred sixty-five thousand eight hundred twenty-seven

Notation

Scientific notation 8.1265827 × 10^7
Engineering notation 8.1265827 × 10^6

Prime Factorization of 81265827

Prime Factorization 3 × 27088609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81265827
Product of the distinct prime numbers

The prime factorization of 81265827 is 3 × 27088609. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81265827)

Multiplication

n×y
n×2 162531654
n×3 243797481
n×4 325063308
n×5 406329135

Division

n÷y
n÷2 40632913.5
n÷3 27088609
n÷3 20316456.75
n÷5 16253165.4

Exponentiation

ny
n2 6604134637993929
n3 5.3669046297592E+23
n4 4.3614594316751E+31
n5 3.5443760764203E+39

Nth Root

y√n
2√n 9014.7560699112
3√n 433.14767385242
4√n 94.946069270461
5√n 38.192808197621

Divisors of 81265827

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 -81265826
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 81265827 can be divided by 4 positive divisors. The sum of these divisors (counting 81265827) is 1, the average is 0.25.

Base conversion 81265827

Base System Value
2 Binary 100110110000000010010100011
3 Ternary 12122220201202110
4 Quaternary 10312000102203
5 Quinary 131301001302
6 Senary 12021450403
8 Octal 466002243
10 Decimal 81265827
12 Duodecimal 23270a03
16 Hexadecimal 4d804a3
20 Vigesimal 157i4b7
36 Base36 1cdt43

Cryptographic Hash Functions

md5 7af85596e41340693c2f7cd1cac3243a
sha1 a0aca3f8772786a4f98373ffc2eb8a8c043c01f3
sha256 fb367ee01766cdfd2b077d82d38f105ab7b324b9a72542b7bc63bd59ac3e48aa
sha512 68b79bcac9aa792e5ac5adc047251d8d0f34225a3a281fae03dcf479056b78fe7710d866bc44c512b36624362d98903dfa50c1e2570515f36ef1d1d9752035b7
ripemd-160 dc82987556e8b71331f31b21f049959e4e1b3acd

81265827 as geometric shapes

Circle

Radius = n
Diameter 162531654
Circumference 510608250.1822
Area 2.074750086204E+16

Sphere

Radius = n
Volume 2.2480837543158E+24
Surface area 8.2990003448158E+16
Circumference 510608250.1822

Square

Length = n
Perimeter 325063308
Area 6604134637993929
Diagonal 114927234.70087

Cube

Length = n
Surface area 39624807827963574
Volume 5.3669046297592E+23
Space diagonal 140756541.2831

Equilateral Triangle

Length = n
Perimeter 243797481
Area 2.8596741832577E+15
Altitude 70378270.641551

Triangular Pyramid

Length = n
Surface area 2.8596741832577E+15
Volume 6.324957762807E+22
Height 38309078.233622