81465507 (number)

81465507 is an odd 8-digits composite number following 81465506 and preceding 81465508. In scientific notation, it is written as 8.1465507 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 54310176 positive integers (up to 81465507) that are relatively prime to 81465507.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-five thousand five hundred seven

Notation

Scientific notation 8.1465507 × 10^7
Engineering notation 8.1465507 × 10^6

Prime Factorization of 81465507

Prime Factorization 3 × 3 × 27 × 335249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27155169
Product of the distinct prime numbers

The prime factorization of 81465507 is 3 × 3 × 27 × 335249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 75, 71, 884, 467, 2105, 2494, 99048, 33552, 136135, 343779, 5390194, 8435191, 77184391, 11883264, 181721857, 778220198, 4262687273, 4809343802

Basic calculations (n = 81465507)

Multiplication

n×y
n×2 162931014
n×3 244396521
n×4 325862028
n×5 407327535

Division

n÷y
n÷2 40732753.5
n÷3 27155169
n÷3 20366376.75
n÷5 16293101.4

Exponentiation

ny
n2 6636628830767049
n3 5.4065633246925E+23
n4 4.4044842237368E+31
n5 3.5881354036022E+39

Nth Root

y√n
2√n 9025.8244498771
3√n 433.50214914944
4√n 95.004339110786
5√n 38.211558650835

Divisors of 81465507

1, 3, 9, 27, 81, 243, 335249, 1005747, 3017241, 9051723, 27155169, 81465507

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81465506
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81465507 can be divided by 12 positive divisors. The sum of these divisors (counting 81465507) is 1, the average is 0.083333333333333.

Base conversion 81465507

Base System Value
2 Binary 100110110110001000010100011
3 Ternary 12200021212200000
4 Quaternary 10312301002203
5 Quinary 131323344012
6 Senary 12030031043
8 Octal 466610243
10 Decimal 81465507
12 Duodecimal 23348483
16 Hexadecimal 4db10a3
20 Vigesimal 15933f7
36 Base36 1ci36r

Cryptographic Hash Functions

md5 903cfcc736935f9c512f8132c4e90cac
sha1 995ef8a33d8b5accee4880553e65bd6fe3a0de4b
sha256 f961da6071fd0a3407b936ac041a246aa2fcd014545ac4280b8f4b0a75474fde
sha512 bbf8944bea77bff464db2e4ff8ec826ea9285fc212c687b08a1e17a74c77d56010943f3074fe09225f16a5caf24578ac1d9eaf0b1ddbc020697c9c486e9acb05
ripemd-160 9e5a88f79ee32639f242cb909663afd30822cc98

81465507 as geometric shapes

Circle

Radius = n
Diameter 162931014
Circumference 511862876.62434
Area 2.084958437934E+16

Sphere

Radius = n
Volume 2.2646959496029E+24
Surface area 8.339833751736E+16
Circumference 511862876.62434

Square

Length = n
Perimeter 325862028
Area 6636628830767049
Diagonal 115209624.865

Cube

Length = n
Surface area 39819772984602294
Volume 5.4065633246925E+23
Space diagonal 141102397.18836

Equilateral Triangle

Length = n
Perimeter 244396521
Area 2.8737445814662E+15
Altitude 70551198.594179

Triangular Pyramid

Length = n
Surface area 2.8737445814662E+15
Volume 6.3716959830076E+22
Height 38403208.288333