81492037 (number)

81492037 is an odd 8-digits composite number following 81492036 and preceding 81492038. In scientific notation, it is written as 8.1492037 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 74083660 positive integers (up to 81492037) that are relatively prime to 81492037.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1492037 × 10^7
Engineering notation 8.1492037 × 10^6

Prime Factorization of 81492037

Prime Factorization 11 × 7408367

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81492037
Product of the distinct prime numbers

The prime factorization of 81492037 is 11 × 7408367. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81492037)

Multiplication

n×y
n×2 162984074
n×3 244476111
n×4 325968148
n×5 407460185

Division

n÷y
n÷2 40746018.5
n÷3 27164012.333333
n÷3 20373009.25
n÷5 16298407.4

Exponentiation

ny
n2 6640952094409369
n3 5.4118471379284E+23
n4 4.410224472024E+31
n5 3.5939817585249E+39

Nth Root

y√n
2√n 9027.2940020806
3√n 433.54920204424
4√n 95.012072928026
5√n 38.21404711659

Divisors of 81492037

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 -81492036
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 81492037 can be divided by 4 positive divisors. The sum of these divisors (counting 81492037) is 1, the average is 0.25.

Base conversion 81492037

Base System Value
2 Binary 100110110110111100001000101
3 Ternary 12200100020001121
4 Quaternary 10312313201011
5 Quinary 131330221122
6 Senary 12030353541
8 Octal 466674105
10 Decimal 81492037
12 Duodecimal 2335b8b1
16 Hexadecimal 4db7845
20 Vigesimal 1596a1h
36 Base36 1cinnp

Cryptographic Hash Functions

md5 62e46e2808bd5fc4ee2aad69f24be976
sha1 c5b3dced4be0c32db42a39a645e49af1e5281846
sha256 49ebdf10309caa2dcb17bac287683769e759fdd4686f920f077be1d402ee79c5
sha512 9495e14f18d0a6be2ffc9fb8b61ac57425aaea251bc20cf6bd58a31ecf781072017234d7ce2f2b3cf3eecd6536f5808b55c8429ae6cc5d65a471b5944bcce27a
ripemd-160 a7ef2643d36ea2da046c6a2847a06fe88d4d2094

81492037 as geometric shapes

Circle

Radius = n
Diameter 162984074
Circumference 512029569.53054
Area 2.0863166312638E+16

Sphere

Radius = n
Volume 2.2669092281156E+24
Surface area 8.3452665250553E+16
Circumference 512029569.53054

Square

Length = n
Perimeter 325968148
Area 6640952094409369
Diagonal 115247143.95081

Cube

Length = n
Surface area 39845712566456214
Volume 5.4118471379284E+23
Space diagonal 141148348.49628

Equilateral Triangle

Length = n
Perimeter 244476111
Area 2.875616609537E+15
Altitude 70574174.248141

Triangular Pyramid

Length = n
Surface area 2.875616609537E+15
Volume 6.3779230166236E+22
Height 38415714.65027