642000649 (number)

642000649 is an odd 9-digits composite number following 642000648 and preceding 642000650. In scientific notation, it is written as 6.42000649 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 637486080 positive integers (up to 642000649) that are relatively prime to 642000649.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000649 × 10^8
Engineering notation 6.42000649 × 10^6

Prime Factorization of 642000649

Prime Factorization 331 × 257 × 7547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642000649
Product of the distinct prime numbers

The prime factorization of 642000649 is 331 × 257 × 7547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 54, 90, 640, 669, 5037, 1153, 15947, 26452, 642354, 326888, 3445176, 7913389, 32808229, 80837850, 564089712, 445836567, 3319911707, 8482422497

Basic calculations (n = 642000649)

Multiplication

n×y
n×2 1284001298
n×3 1926001947
n×4 2568002596
n×5 3210003245

Division

n÷y
n÷2 321000324.5
n÷3 214000216.33333
n÷3 160500162.25
n÷5 128400129.8

Exponentiation

ny
n2 412164833316421201
n3 2.6461009048412E+26
n4 1.6987984982275E+35
n5 1.0906297383823E+44

Nth Root

y√n
2√n 25337.73172563
3√n 862.67091436127
4√n 159.17830167969
5√n 57.744030408633

Divisors of 642000649

1, 257, 331, 7547, 85067, 1939579, 2498057, 642000649

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 -642000648
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 642000649 can be divided by 8 positive divisors. The sum of these divisors (counting 642000649) is 1, the average is 0.125.

Base conversion 642000649

Base System Value
2 Binary 100110010001000010011100001001
3 Ternary 1122202001000022211
4 Quaternary 212101002130021
5 Quinary 2303323010044
6 Senary 143412145121
8 Octal 4621023411
10 Decimal 642000649
12 Duodecimal 15b0081a1
16 Hexadecimal 26442709
20 Vigesimal a0ca1c9
36 Base36 am8avd

Cryptographic Hash Functions

md5 9e1529320feb5b6819d69583d6f0d56e
sha1 06a13ff0842dc2e1de3124e1c9a35b387bc0b8a6
sha256 adf18693ba1a922a71e7161f826d9a38bbcb3c1f56bf79048cbff63201696d69
sha512 af23d297a52eeb598ae14e2680d44020d50cd774d5142235f305e1c60bd7d730cca34d300bb0c8e5a0b7f9791b56dcbaee0f8670040dc30a0e4cfe740bcd13c4
ripemd-160 9d6a1a7902f916fa757e8169152f6215d5d9fe3c

642000649 as geometric shapes

Circle

Radius = n
Diameter 1284001298
Circumference 4033809044.9966
Area 1.2948540124149E+18

Sphere

Radius = n
Volume 1.1083961551075E+27
Surface area 5.1794160496597E+18
Circumference 4033809044.9966

Square

Length = n
Perimeter 2568002596
Area 412164833316421201
Diagonal 907926024.86813

Cube

Length = n
Surface area 2472988999898527206
Volume 2.6461009048412E+26
Space diagonal 1111977742.5602

Equilateral Triangle

Length = n
Perimeter 1926001947
Area 1.784726080993E+17
Altitude 555988871.2801

Triangular Pyramid

Length = n
Surface area 1.784726080993E+17
Volume 3.1184598225284E+25
Height 302642008.28938