65840981 (number)

65840981 is an odd 8-digits composite number following 65840980 and preceding 65840982. In scientific notation, it is written as 6.5840981 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 65162112 positive integers (up to 65840981) that are relatively prime to 65840981.

Interesting facts

Basic properties

Name

Name sixty-five million eight hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 6.5840981 × 10^7
Engineering notation 6.5840981 × 10^6

Prime Factorization of 65840981

Prime Factorization 97 × 678773

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 65840981
Product of the distinct prime numbers

The prime factorization of 65840981 is 97 × 678773. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65840981)

Multiplication

n×y
n×2 131681962
n×3 197522943
n×4 263363924
n×5 329204905

Division

n÷y
n÷2 32920490.5
n÷3 21946993.666667
n÷3 16460245.25
n÷5 13168196.2

Exponentiation

ny
n2 4335034779042361
n3 2.8542294252127E+23
n4 1.8792526535507E+31
n5 1.2373183825663E+39

Nth Root

y√n
2√n 8114.2455595083
3√n 403.79917844859
4√n 90.079107230857
5√n 36.618391082526

Divisors of 65840981

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 -65840980
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 65840981 can be divided by 4 positive divisors. The sum of these divisors (counting 65840981) is 1, the average is 0.25.

Base conversion 65840981

Base System Value
2 Binary 11111011001010011101010101
3 Ternary 11120220001211212
4 Quaternary 3323022131111
5 Quinary 113323402411
6 Senary 10311111205
8 Octal 373123525
10 Decimal 65840981
12 Duodecimal 1a072505
16 Hexadecimal 3eca755
20 Vigesimal 10ba291
36 Base36 137785

Cryptographic Hash Functions

md5 6cd91491d13d25d0a825384aa91897f4
sha1 3fbe124aa8d007ae91cba8cc04eda51fd893ae66
sha256 6a1dce2a37e3dd5ede653552dae9b60cd3009fc54530b9f106c657391d31244c
sha512 80f8615e3708a1421004b6f688117e30f20bdc3b7bb17cd58d9f537e0e9752fcf038653d72a69340951b769305db0896a98c80905be40c9675429a6f29bde6d0
ripemd-160 b0dec8d435a3643d72f34077bac16d79037c29f7

65840981 as geometric shapes

Circle

Radius = n
Diameter 131681962
Circumference 413691084.42949
Area 1.3618913414896E+16

Sphere

Radius = n
Volume 1.1955768258544E+24
Surface area 5.4475653659583E+16
Circumference 413691084.42949

Square

Length = n
Perimeter 263363924
Area 4335034779042361
Diagonal 93113208.290149

Cube

Length = n
Surface area 26010208674254166
Volume 2.8542294252127E+23
Space diagonal 114039924.31218

Equilateral Triangle

Length = n
Perimeter 197522943
Area 1.8771251224699E+15
Altitude 57019962.156089

Triangular Pyramid

Length = n
Surface area 1.8771251224699E+15
Volume 3.3637416360501E+22
Height 31037736.096716