642000945 (number)

642000945 is an odd 9-digits composite number following 642000944 and preceding 642000946. In scientific notation, it is written as 6.42000945 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 339009600 positive integers (up to 642000945) that are relatively prime to 642000945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000945 × 10^8
Engineering notation 6.42000945 × 10^6

Prime Factorization of 642000945

Prime Factorization 5 × 3 × 101 × 423763

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642000945
Product of the distinct prime numbers

The prime factorization of 642000945 is 5 × 3 × 101 × 423763. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642000945)

Multiplication

n×y
n×2 1284001890
n×3 1926002835
n×4 2568003780
n×5 3210004725

Division

n÷y
n÷2 321000472.5
n÷3 214000315
n÷3 160500236.25
n÷5 128400189

Exponentiation

ny
n2 412165213380893025
n3 2.6461045648666E+26
n4 1.6988016312132E+35
n5 1.0906322526064E+44

Nth Root

y√n
2√n 25337.737566721
3√n 862.6710469419
4√n 159.17832002732
5√n 57.74403573331

Divisors of 642000945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642000944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642000945 can be divided by 16 positive divisors. The sum of these divisors (counting 642000945) is 1, the average is 0.0625.

Base conversion 642000945

Base System Value
2 Binary 100110010001000010100000110001
3 Ternary 1122202001000201210
4 Quaternary 212101002200301
5 Quinary 2303323012240
6 Senary 143412150333
8 Octal 4621024061
10 Decimal 642000945
12 Duodecimal 15b0083a9
16 Hexadecimal 26442831
20 Vigesimal a0ca275
36 Base36 am8b3l

Cryptographic Hash Functions

md5 e653cdbd85bab2b90426d26f276a91ac
sha1 1cf05f835622cd1bddc9505f66262a84bb5dad52
sha256 847b5c17db4cc13df1f26cfdcb98e673819a5717987c84ed630be2f2b1143bd5
sha512 fea07d8a8704b0ec1d31f94e5cc5ca4711c849d5c89d868e0617a728a6ccb165f0c219a5e93e886723afcf559887226583216963e792594e8de015cacb64d928
ripemd-160 0acf5f98b489681cf9ec9d49b1487695550f8dfd

642000945 as geometric shapes

Circle

Radius = n
Diameter 1284001890
Circumference 4033810904.8194
Area 1.2948552064227E+18

Sphere

Radius = n
Volume 1.1083976882154E+27
Surface area 5.1794208256907E+18
Circumference 4033810904.8194

Square

Length = n
Perimeter 2568003780
Area 412165213380893025
Diagonal 907926443.47534

Cube

Length = n
Surface area 2472991280285358150
Volume 2.6461045648666E+26
Space diagonal 1111978255.2472

Equilateral Triangle

Length = n
Perimeter 1926002835
Area 1.7847277267204E+17
Altitude 555989127.62362

Triangular Pyramid

Length = n
Surface area 1.7847277267204E+17
Volume 3.1184641359098E+25
Height 302642147.82511