642760644 is an even 9-digits composite number following 642760643
and preceding 642760645 . In scientific notation, it is written as 6.42760644 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 213754720 positive integers (up to 642760644) that are relatively prime to 642760644.
642760644 has 24 divisors, whose sum is 1503266688
The reverse of 642760644 is 446067246
Previous prime number is 431
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million seven hundred sixty thousand six hundred forty-four
Scientific notation
6.42760644 × 10^8
Engineering notation
6.42760644 × 10^6
Prime Factorization
2 × 2 × 3 × 431 × 124277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321380322
Product of the distinct prime numbers
The prime factorization of 642760644 is 2 × 2 × 3 × 431 × 124277.
Since it has a total of 5 prime factors.
1 , 7 , 9 , 35 , 71 , 299 , 4463 , 4278 , 58025 , 55018 , 959207 , 157195 , 9556737 , 6575518 , 97938639 , 6623024 , 924378782 , 42839030 , 9113745476 , 3460500406
n×2
1285521288
n×3
1928281932
n×4
2571042576
n×5
3213803220
n÷2
321380322
n÷3
214253548
n÷3
160690161
n÷5
128552128.8
n2
413141245475294736
n3
2.6555093300466E+26
n4
1.7068568871288E+35
n5
1.0971004319867E+44
2 √n
25352.72458731
3 √n
863.01118766398
4 √n
159.22538926726
5 √n
57.757695319672
1 , 2 , 3 , 4 , 6 , 12 , 431 , 862 , 1293 , 1724 , 2586 , 5172 , 124277 , 248554 , 372831 , 497108 , 745662 , 1491324 , 53563387 , 107126774 , 160690161 , 214253548 , 321380322 , 642760644
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
-642760643
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 642760644 can be divided by 24 positive divisors.
The sum of these divisors (counting 642760644) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010011111011111111000100
3
Ternary
1122210110121211210
4
Quaternary
212103323333010
5
Quinary
2304021320034
6
Senary
143440331420
8
Octal
4623737704
10
Decimal
642760644
12
Duodecimal
15b313b70
16
Hexadecimal
264fbfc4
20
Vigesimal
a0h51c4
36
Base36
amolac
md5
0ad0a8650dfb9bc1f185573d4986b548
sha1
d18675fc1f4013a3a6df14c07f3ac86a37917b5b
sha256
a9b62c8d80117d24c9896b09b87c70ec66df79d51b14ec52d1f4de0b3b6bcff6
sha512
51bba11b93f23e3737d003c9eaa5e02b61d77ee5b5de58f19250f343f2076d302e61d9de4cc493e82fcaa29a415d892e4509694c7a1e426f86bff4d769bec34e
ripemd-160
511aba26c1d8c9efac164eb65ac46b6765d8d327
Diameter
1285521288
Circumference
4038584234.4141
Area
1.2979215016801E+18
Volume
1.1123371470418E+27
Surface area
5.1916860067205E+18
Circumference
4038584234.4141
Perimeter
2571042576
Area
413141245475294736
Diagonal
909000820.10446
Surface area
2478847472851768416
Volume
2.6555093300466E+26
Space diagonal
1113294092.5137
Perimeter
1928281932
Area
1.7889540696637E+17
Altitude
556647046.25685
Surface area
1.7889540696637E+17
Volume
3.1295477579669E+25
Height
303000273.36815