6642945 (number)

6642945 is an odd 7-digits composite number following 6642944 and preceding 6642946. In scientific notation, it is written as 6.642945 × 10^6. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 3542832 positive integers (up to 6642945) that are relatively prime to 6642945.

Interesting facts

Basic properties

Name

Name six million six hundred forty-two thousand nine hundred forty-five

Notation

Scientific notation 6.642945 × 10^6
Engineering notation 6.642945 × 10^6

Prime Factorization of 6642945

Prime Factorization 27 × 5 × 49207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6642945
Product of the distinct prime numbers

The prime factorization of 6642945 is 27 × 5 × 49207. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 6642945)

Multiplication

n×y
n×2 13285890
n×3 19928835
n×4 26571780
n×5 33214725

Division

n÷y
n÷2 3321472.5
n÷3 2214315
n÷3 1660736.25
n÷5 1328589

Exponentiation

ny
n2 44128718273025
n3 2.931446484082E+20
n4 1.94734377642E+27
n5 1.293609760285E+34

Nth Root

y√n
2√n 2577.3911228217
3√n 187.98371105287
4√n 50.768012791734
5√n 23.145796547979

Divisors of 6642945

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 -6642944
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 6642945 can be divided by 8 positive divisors. The sum of these divisors (counting 6642945) is 1, the average is 0.125.

Base conversion 6642945

Base System Value
2 Binary 11001010101110100000001
3 Ternary 110111111102000
4 Quaternary 121111310001
5 Quinary 3200033240
6 Senary 354214213
8 Octal 31256401
10 Decimal 6642945
12 Duodecimal 2284369
16 Hexadecimal 655d01
20 Vigesimal 21a775
36 Base36 3ydq9

Cryptographic Hash Functions

md5 f9b7902eeaa41f14feeeee6978d93061
sha1 97e58e8bd1348f807feed2e073bd5db270be9484
sha256 83ede0ea31505b275e2adbaccd06ac8372f1caa21e8e4d50a166109132238935
sha512 f89c9e91d733cfa73ad957b81b4a7f36ecf853a50206c44c289fcfd0b04e2fc129b0588a8276b2b2fcb362146054b555e9c3969e947d249359074aee206e745a
ripemd-160 0becfdee4a07276b2b8278fd99c3898a266357be

6642945 as geometric shapes

Circle

Radius = n
Diameter 13285890
Circumference 41738854.420402
Area 1.3863445713887E+14

Sphere

Radius = n
Volume 1.2279214318378E+21
Surface area 5.5453782855548E+14
Circumference 41738854.420402

Square

Length = n
Perimeter 26571780
Area 44128718273025
Diagonal 9394542.9130985

Cube

Length = n
Surface area 264772309638150
Volume 2.931446484082E+20
Space diagonal 11505918.251886

Equilateral Triangle

Length = n
Perimeter 19928835
Area 19108295530443
Altitude 5752959.1259428

Triangular Pyramid

Length = n
Surface area 19108295530443
Volume 3.4547428126331E+19
Height 3131514.3043662