81467661 (number)

81467661 is an odd 8-digits composite number following 81467660 and preceding 81467662. In scientific notation, it is written as 8.1467661 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 49374320 positive integers (up to 81467661) that are relatively prime to 81467661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1467661 × 10^7
Engineering notation 8.1467661 × 10^6

Prime Factorization of 81467661

Prime Factorization 3 × 11 × 2468717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81467661
Product of the distinct prime numbers

The prime factorization of 81467661 is 3 × 11 × 2468717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81467661)

Multiplication

n×y
n×2 162935322
n×3 244402983
n×4 325870644
n×5 407338305

Division

n÷y
n÷2 40733830.5
n÷3 27155887
n÷3 20366915.25
n÷5 16293532.2

Exponentiation

ny
n2 6636979788810921
n3 5.406992194987E+23
n4 4.4049500717085E+31
n5 3.5886097916387E+39

Nth Root

y√n
2√n 9025.943773368
3√n 433.50596980693
4√n 95.004967098399
5√n 38.211760716298

Divisors of 81467661

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81467660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81467661 can be divided by 8 positive divisors. The sum of these divisors (counting 81467661) is 1, the average is 0.125.

Base conversion 81467661

Base System Value
2 Binary 100110110110001100100001101
3 Ternary 12200021222121210
4 Quaternary 10312301210031
5 Quinary 131323431121
6 Senary 12030045033
8 Octal 466614415
10 Decimal 81467661
12 Duodecimal 23349779
16 Hexadecimal 4db190d
20 Vigesimal 1593931
36 Base36 1ci4ul

Cryptographic Hash Functions

md5 745d2af113a11b66d490f4a88f8ef156
sha1 93b781015ed1bdaf5b908478e8a72e4144c4d301
sha256 c3a9347f88aa9c8f774ea46b8aeffa7409295a89656c04b3019f5c4ec40346c6
sha512 6e73fbeea6e7c55adf0693f38b9834e604a78e41d9877e43c7abd0cd1167e5595b8f6a5f29e32119f083d32f0d85d2967354ef9340ddd8b8971a8a26d9af9975
ripemd-160 d83000748017c0d6a016e6080c6c6d39943f5189

81467661 as geometric shapes

Circle

Radius = n
Diameter 162935322
Circumference 511876410.60549
Area 2.0850686946552E+16

Sphere

Radius = n
Volume 2.2648755943718E+24
Surface area 8.3402747786209E+16
Circumference 511876410.60549

Square

Length = n
Perimeter 325870644
Area 6636979788810921
Diagonal 115212671.08101

Cube

Length = n
Surface area 39821878732865526
Volume 5.406992194987E+23
Space diagonal 141106128.0258

Equilateral Triangle

Length = n
Perimeter 244402983
Area 2.8738965507571E+15
Altitude 70553064.012899

Triangular Pyramid

Length = n
Surface area 2.8738965507571E+15
Volume 6.3722014114967E+22
Height 38404223.693671