8640981 (number)

8640981 is an odd 7-digits composite number following 8640980 and preceding 8640982. In scientific notation, it is written as 8.640981 × 10^6. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 5421696 positive integers (up to 8640981) that are relatively prime to 8640981.

Interesting facts

Basic properties

Name

Name eight million six hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 8.640981 × 10^6
Engineering notation 8.640981 × 10^6

Prime Factorization of 8640981

Prime Factorization 51 × 3 × 56477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 8640981
Product of the distinct prime numbers

The prime factorization of 8640981 is 51 × 3 × 56477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8640981)

Multiplication

n×y
n×2 17281962
n×3 25922943
n×4 34563924
n×5 43204905

Division

n÷y
n÷2 4320490.5
n÷3 2880327
n÷3 2160245.25
n÷5 1728196.2

Exponentiation

ny
n2 74666552642361
n3 6.4519226271814E+20
n4 5.5750940834945E+27
n5 4.8174282048688E+34

Nth Root

y√n
2√n 2939.5545580921
3√n 205.20487944805
4√n 54.217659098232
5√n 24.395662136429

Divisors of 8640981

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 -8640980
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 8640981 can be divided by 8 positive divisors. The sum of these divisors (counting 8640981) is 1, the average is 0.125.

Base conversion 8640981

Base System Value
2 Binary 100000111101100111010101
3 Ternary 121021000012100
4 Quaternary 200331213111
5 Quinary 4203002411
6 Senary 505112313
8 Octal 40754725
10 Decimal 8640981
12 Duodecimal 2a88699
16 Hexadecimal 83d9d5
20 Vigesimal 2e0291
36 Base36 557f9

Cryptographic Hash Functions

md5 3e814656320e1f276c6f5cc0a6b9c196
sha1 b510be63e9bf8d617dfe1e5e63f234a73f484338
sha256 2cb53eef57a9732368d686223954eba7b2ef5c57f7d9136eb8950685c8cb7054
sha512 b2609d71e2b8cc8e2c668c96a908b0be7e50d02b2123a7cc8baeaa86435b737329077a19e4455064153a9e1385da189cf2b7e23c42921635a20d5dff608d7c45
ripemd-160 0dc5a535dcf57df42ecfb3401808ced06c4c20d8

8640981 as geometric shapes

Circle

Radius = n
Diameter 17281962
Circumference 54292884.858818
Area 2.3457189325012E+14

Sphere

Radius = n
Volume 2.7025750302777E+21
Surface area 9.3828757300047E+14
Circumference 54292884.858818

Square

Length = n
Perimeter 34563924
Area 74666552642361
Diagonal 12220192.522408

Cube

Length = n
Surface area 447999315854166
Volume 6.4519226271814E+20
Space diagonal 14966618.119237

Equilateral Triangle

Length = n
Perimeter 25922943
Area 32331565700646
Altitude 7483309.0596187

Triangular Pyramid

Length = n
Surface area 32331565700646
Volume 7.6036637356182E+19
Height 4073397.5074694