642000645 (number)

642000645 is an odd 9-digits composite number following 642000644 and preceding 642000646. In scientific notation, it is written as 6.42000645 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 287326080 positive integers (up to 642000645) that are relatively prime to 642000645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000645 × 10^8
Engineering notation 6.42000645 × 10^6

Prime Factorization of 642000645

Prime Factorization 15 × 3 × 143 × 99767

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642000645
Product of the distinct prime numbers

The prime factorization of 642000645 is 15 × 3 × 143 × 99767. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 9, 69, 682, 75, 6118, 9274, 83001, 11866, 448906, 355325, 6357819, 2818630, 70468890, 49295144, 931123751, 264073350, 5477872953, 4065751443

Basic calculations (n = 642000645)

Multiplication

n×y
n×2 1284001290
n×3 1926001935
n×4 2568002580
n×5 3210003225

Division

n÷y
n÷2 321000322.5
n÷3 214000215
n÷3 160500161.25
n÷5 128400129

Exponentiation

ny
n2 412164828180416025
n3 2.6461008553814E+26
n4 1.6987984558899E+35
n5 1.0906297044063E+44

Nth Root

y√n
2√n 25337.731646696
3√n 862.67091256964
4√n 159.17830143175
5√n 57.744030336678

Divisors of 642000645

1, 3, 15, 45, 143, 429, 2145, 6435, 99767, 299301, 1496505, 4489515, 14266681, 42800043, 214000215, 642000645

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 -642000644
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 642000645 can be divided by 16 positive divisors. The sum of these divisors (counting 642000645) is 1, the average is 0.0625.

Base conversion 642000645

Base System Value
2 Binary 100110010001000010011100000101
3 Ternary 1122202001000022200
4 Quaternary 212101002130011
5 Quinary 2303323010040
6 Senary 143412145113
8 Octal 4621023405
10 Decimal 642000645
12 Duodecimal 15b008199
16 Hexadecimal 26442705
20 Vigesimal a0ca1c5
36 Base36 am8av9

Cryptographic Hash Functions

md5 fa49c0737456e08610cb7ed15d1966dd
sha1 677cd66ee7a4976210e17f15a28a9b6a95a44b16
sha256 02de7c288db92b2a5e30c7569e7ba47c38a45e422cb557e1853a62b73ea6bd1d
sha512 2acbe61cd4ee6783eb448b8027b8a3102135c37784d89046a1ed7acf055f9a03982a81a07ebd108a94ea5cb94e36d9c93e6cfde76d777166741ab7b776bcfb9c
ripemd-160 0107f4c96706e3ee51d34ce6452b2cb855a664c2

642000645 as geometric shapes

Circle

Radius = n
Diameter 1284001290
Circumference 4033809019.8638
Area 1.2948539962797E+18

Sphere

Radius = n
Volume 1.1083961343899E+27
Surface area 5.1794159851188E+18
Circumference 4033809019.8638

Square

Length = n
Perimeter 2568002580
Area 412164828180416025
Diagonal 907926019.21127

Cube

Length = n
Surface area 2472988969082496150
Volume 2.6461008553814E+26
Space diagonal 1111977735.632

Equilateral Triangle

Length = n
Perimeter 1926001935
Area 1.7847260587534E+17
Altitude 555988867.81599

Triangular Pyramid

Length = n
Surface area 1.7847260587534E+17
Volume 3.1184597642395E+25
Height 302642006.40376