638631730 is an even 9-digits composite number following 638631729
and preceding 638631731 . In scientific notation, it is written as 6.38631730 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 232229680 positive integers (up to 638631730) that are relatively prime to 638631730.
638631730 has 16 divisors, whose sum is 1254040704
The reverse of 638631730 is 037136836
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred thirty-eight million six hundred thirty-one thousand seven hundred thirty
Scientific notation
6.38631730 × 10^8
Engineering notation
6.38631730 × 10^6
Prime Factorization
2 × 5 × 11 × 5805743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638631730
Product of the distinct prime numbers
The prime factorization of 638631730 is 2 × 5 × 11 × 5805743.
Since it has a total of 4 prime factors.
4 , 1 , 28 , 97 , 242 , 747 , 3582 , 9824 , 80874 , 86497 , 575195 , 768114 , 5891545 , 7010669 , 89003149 , 63538162 , 894802792 , 285477425 , 2806098471 , 5749253777
n×2
1277263460
n×3
1915895190
n×4
2554526920
n×5
3193158650
n÷2
319315865
n÷3
212877243.33333
n÷3
159657932.5
n÷5
127726346
n2
407850486562792900
n3
2.6046626181494E+26
n4
1.6634201938951E+35
n5
1.0623129161441E+44
2 √n
25271.164001684
3 √n
861.15930276098
4 √n
158.96906617856
5 √n
57.683300070356
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 5805743 , 11611486 , 29028715 , 58057430 , 63863173 , 127726346 , 319315865 , 638631730
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
-638631729
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 638631730 can be divided by 16 positive divisors.
The sum of these divisors (counting 638631730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000100001011111100110010
3
Ternary
1122111200212001001
4
Quaternary
212010023330302
5
Quinary
2301442203410
6
Senary
143212032214
8
Octal
4604137462
10
Decimal
638631730
12
Duodecimal
159a6266a
16
Hexadecimal
2610bf32
20
Vigesimal
9jb8j6a
36
Base36
ak83ea
md5
658fb865e0d1dc7369e64ba18708effd
sha1
332fea475c5d61e027c77168e797b90e5c147a6b
sha256
79796ecca24ed1320776269a28bf29fd5e985bd3d072e50477b296227e47e3b7
sha512
a437c9b28ee3edaf55929f924ec184a487c5d17881171fa4cfd332e20e15365f2be13b9375abe5779dc417a028e90e5e34a454ea67292c6923b87801a5734067
ripemd-160
8e43bc16434e6e9962ab895f10f9a767017d0209
Diameter
1277263460
Circumference
4012641502.6347
Area
1.2813000923487E+18
Volume
1.0910385261677E+27
Surface area
5.1252003693948E+18
Circumference
4012641502.6347
Perimeter
2554526920
Area
407850486562792900
Diagonal
903161653.92779
Surface area
2447102919376757400
Volume
2.6046626181494E+26
Space diagonal
1106142603.6856
Perimeter
1915895190
Area
1.7660444115461E+17
Altitude
553071301.8428
Surface area
1.7660444115461E+17
Volume
3.0696243333276E+25
Height
301053884.6426