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.
642744980 has 24 divisors, whose sum is 1396309320
The reverse of 642744980 is 089447246
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-two million seven hundred forty-four thousand nine hundred eighty
Scientific notation
6.42744980 × 10^8
Engineering notation
6.42744980 × 10^6
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.
6 , 5 , 60 , 22 , 207 , 971 , 4862 , 4555 , 97523 , 8353 , 560832 , 710485 , 1788205 , 2134026 , 77027912 , 66147299 , 833218036 , 168699289 , 5826487941 , 8649770160
n×2
1285489960
n×3
1928234940
n×4
2570979920
n×5
3213724900
n÷2
321372490
n÷3
214248326.66667
n÷3
160686245
n÷5
128548996
n2
413121109315200400
n3
2.6553151914438E+26
n4
1.7066905096182E+35
n5
1.0969667574708E+44
2 √n
25352.415663995
3 √n
863.0041771139
4 √n
159.22441918247
5 √n
57.757413807303
1 , 2 , 4 , 5 , 10 , 20 , 29 , 58 , 116 , 145 , 290 , 580 , 1108181 , 2216362 , 4432724 , 5540905 , 11081810 , 22163620 , 32137249 , 64274498 , 128548996 , 160686245 , 321372490 , 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
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
md5
a5e2a058eb55350c7ca0074f1d661ee0
sha1
b9168612a4e26dd922d4f39cbfda637c1ea08154
sha256
0eff209564786118eb6d1ecf31d1b849f752dfc754ad11e64f4bcbfb8c859d27
sha512
96fc17840794e67d9dda0271b652d950f27e9a1f2a0f3fa886d266d38774e4c882ce5e05880ea08afba36e4a2573d25e6d3a13cdc0bda26a97b6daa246fe28d7
ripemd-160
7d1924a7a2bef944c6783d37b46aebd7ffba218d
Diameter
1285489960
Circumference
4038485814.5994
Area
1.2978582420675E+18
Volume
1.112255826454E+27
Surface area
5.19143296827E+18
Circumference
4038485814.5994
Perimeter
2570979920
Area
413121109315200400
Diagonal
908978667.86322
Surface area
2478726655891202400
Volume
2.6553151914438E+26
Space diagonal
1113266961.6698
Perimeter
1928234940
Area
1.7888668775329E+17
Altitude
556633480.83492
Surface area
1.7888668775329E+17
Volume
3.1293189634292E+25
Height
302992889.28774