642646870 (number)

642646870 is an even 9-digits composite number following 642646869 and preceding 642646871. In scientific notation, it is written as 6.42646870 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 254562624 positive integers (up to 642646870) that are relatively prime to 642646870.

Interesting facts

Basic properties

Name

Name six hundred forty-two million six hundred forty-six thousand eight hundred seventy

Notation

Scientific notation 6.42646870 × 10^8
Engineering notation 6.42646870 × 10^6

Prime Factorization of 642646870

Prime Factorization 2 × 5 × 103 × 623929

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642646870
Product of the distinct prime numbers

The prime factorization of 642646870 is 2 × 5 × 103 × 623929. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642646870)

Multiplication

n×y
n×2 1285293740
n×3 1927940610
n×4 2570587480
n×5 3213234350

Division

n÷y
n÷2 321323435
n÷3 214215623.33333
n÷3 160661717.5
n÷5 128529374

Exponentiation

ny
n2 412994999520796900
n3 2.6540994376769E+26
n4 1.7056486962918E+35
n5 1.0961297959915E+44

Nth Root

y√n
2√n 25350.480666054
3√n 862.96026459761
4√n 159.21834274371
5√n 57.755650456033

Divisors of 642646870

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 -642646869
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 642646870 can be divided by 16 positive divisors. The sum of these divisors (counting 642646870) is 1, the average is 0.0625.

Base conversion 642646870

Base System Value
2 Binary 100110010011100000001101010110
3 Ternary 1122210020211202221
4 Quaternary 212103200031112
5 Quinary 2304004144440
6 Senary 143434052554
8 Octal 4623401526
10 Decimal 642646870
12 Duodecimal 15b27a15a
16 Hexadecimal 264e0356
20 Vigesimal a0gah3a
36 Base36 amm5hy

Cryptographic Hash Functions

md5 54bbe60652f8bdf60d0f68a156ee0cd1
sha1 f52f5a91b9be47d955df37535e588b5f7a705ede
sha256 a9873eae215b69c4d4ec6433b6c7c4da84024ee13b2c2da38d2a30855d072de3
sha512 343658ec418f34ebe2003d353eab1f598368c1b6b8c21fe0779609de3e12631619352a5555f2d18892d4ff2097c2363de6a325f113a18eb19b1ff45eebeef761
ripemd-160 0aee241a5fa9e923045989d43c58c6a23b5d9b20

642646870 as geometric shapes

Circle

Radius = n
Diameter 1285293740
Circumference 4037869371.2889
Area 1.2974620564639E+18

Sphere

Radius = n
Volume 1.111746572707E+27
Surface area 5.1898482258554E+18
Circumference 4037869371.2889

Square

Length = n
Perimeter 2570587480
Area 412994999520796900
Diagonal 908839919.37062

Cube

Length = n
Surface area 2477969997124781400
Volume 2.6540994376769E+26
Space diagonal 1113097030.1651

Equilateral Triangle

Length = n
Perimeter 1927940610
Area 1.7883208061048E+17
Altitude 556548515.08256

Triangular Pyramid

Length = n
Surface area 1.7883208061048E+17
Volume 3.1278861838746E+25
Height 302946639.79021