642744980 (number)

642744980 is an even 9-digits composite number following 642744979 and preceding 642744981. In scientific notation, it is written as 6.42744980 × 10^8. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 248232320 positive integers (up to 642744980) that are relatively prime to 642744980.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred forty-four thousand nine hundred eighty

Notation

Scientific notation 6.42744980 × 10^8
Engineering notation 6.42744980 × 10^6

Prime Factorization of 642744980

Prime Factorization 2 × 2 × 5 × 29 × 1108181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 321372490
Product of the distinct prime numbers

The prime factorization of 642744980 is 2 × 2 × 5 × 29 × 1108181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642744980)

Multiplication

n×y
n×2 1285489960
n×3 1928234940
n×4 2570979920
n×5 3213724900

Division

n÷y
n÷2 321372490
n÷3 214248326.66667
n÷3 160686245
n÷5 128548996

Exponentiation

ny
n2 413121109315200400
n3 2.6553151914438E+26
n4 1.7066905096182E+35
n5 1.0969667574708E+44

Nth Root

y√n
2√n 25352.415663995
3√n 863.0041771139
4√n 159.22441918247
5√n 57.757413807303

Divisors of 642744980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642744979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642744980 can be divided by 24 positive divisors. The sum of these divisors (counting 642744980) is 1, the average is 0.041666666666667.

Base conversion 642744980

Base System Value
2 Binary 100110010011111000001010010100
3 Ternary 1122210102211100122
4 Quaternary 212103320022110
5 Quinary 2304020314410
6 Senary 143440131112
8 Octal 4623701224
10 Decimal 642744980
12 Duodecimal 15b306a98
16 Hexadecimal 264f8294
20 Vigesimal a0h3290
36 Base36 amo978

Cryptographic Hash Functions

md5 a5e2a058eb55350c7ca0074f1d661ee0
sha1 b9168612a4e26dd922d4f39cbfda637c1ea08154
sha256 0eff209564786118eb6d1ecf31d1b849f752dfc754ad11e64f4bcbfb8c859d27
sha512 96fc17840794e67d9dda0271b652d950f27e9a1f2a0f3fa886d266d38774e4c882ce5e05880ea08afba36e4a2573d25e6d3a13cdc0bda26a97b6daa246fe28d7
ripemd-160 7d1924a7a2bef944c6783d37b46aebd7ffba218d

642744980 as geometric shapes

Circle

Radius = n
Diameter 1285489960
Circumference 4038485814.5994
Area 1.2978582420675E+18

Sphere

Radius = n
Volume 1.112255826454E+27
Surface area 5.19143296827E+18
Circumference 4038485814.5994

Square

Length = n
Perimeter 2570979920
Area 413121109315200400
Diagonal 908978667.86322

Cube

Length = n
Surface area 2478726655891202400
Volume 2.6553151914438E+26
Space diagonal 1113266961.6698

Equilateral Triangle

Length = n
Perimeter 1928234940
Area 1.7888668775329E+17
Altitude 556633480.83492

Triangular Pyramid

Length = n
Surface area 1.7888668775329E+17
Volume 3.1293189634292E+25
Height 302992889.28774