81492077 (number)

81492077 is an odd 8-digits composite number following 81492076 and preceding 81492078. In scientific notation, it is written as 8.1492077 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 81036636 positive integers (up to 81492077) that are relatively prime to 81492077.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-two thousand seventy-seven

Notation

Scientific notation 8.1492077 × 10^7
Engineering notation 8.1492077 × 10^6

Prime Factorization of 81492077

Prime Factorization 179 × 455263

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81492077
Product of the distinct prime numbers

The prime factorization of 81492077 is 179 × 455263. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81492077)

Multiplication

n×y
n×2 162984154
n×3 244476231
n×4 325968308
n×5 407460385

Division

n÷y
n÷2 40746038.5
n÷3 27164025.666667
n÷3 20373019.25
n÷5 16298415.4

Exponentiation

ny
n2 6640958613773929
n3 5.4118551070748E+23
n4 4.4102331309858E+31
n5 3.5939905789825E+39

Nth Root

y√n
2√n 9027.2962175836
3√n 433.54927297946
4√n 95.012084587086
5√n 38.214050868027

Divisors of 81492077

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 -81492076
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 81492077 can be divided by 4 positive divisors. The sum of these divisors (counting 81492077) is 1, the average is 0.25.

Base conversion 81492077

Base System Value
2 Binary 100110110110111100001101101
3 Ternary 12200100020010002
4 Quaternary 10312313201231
5 Quinary 131330221302
6 Senary 12030354045
8 Octal 466674155
10 Decimal 81492077
12 Duodecimal 2335b925
16 Hexadecimal 4db786d
20 Vigesimal 1596a3h
36 Base36 1cinot

Cryptographic Hash Functions

md5 c75ae4f02d4d0ebc692dc5a4444328f8
sha1 a08546b84afa60944d36848f7a0ad949cfd04289
sha256 6ce5520536672143022165afdff331f5dd3dd0451af60aedb444e71ef645dae3
sha512 5b81aa89290d91b71573d6319d3d2c81fc240196bb9ff454c40932da52b59c495567b3eee1ef0f0d641d8f4c0cae1d0b05cf428877e400de5c8e74ae192c00f4
ripemd-160 2f81a41b0ca8c704634c1500f36e5f0b5a35f27a

81492077 as geometric shapes

Circle

Radius = n
Diameter 162984154
Circumference 512029820.85795
Area 2.0863186793826E+16

Sphere

Radius = n
Volume 2.2669125662238E+24
Surface area 8.3452747175304E+16
Circumference 512029820.85795

Square

Length = n
Perimeter 325968308
Area 6640958613773929
Diagonal 115247200.51935

Cube

Length = n
Surface area 39845751682643574
Volume 5.4118551070748E+23
Space diagonal 141148417.77832

Equilateral Triangle

Length = n
Perimeter 244476231
Area 2.8756194325047E+15
Altitude 70574208.889158

Triangular Pyramid

Length = n
Surface area 2.8756194325047E+15
Volume 6.3779324083527E+22
Height 38415733.506451