638440069 is an odd 9-digits composite number following 638440068
and preceding 638440070 . In scientific notation, it is written as 6.38440069 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 606032640 positive integers (up to 638440069) that are relatively prime to 638440069.
638440069 has 8 divisors, whose sum is 671689368
The reverse of 638440069 is 960044836
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-eight million four hundred forty thousand sixty-nine
Scientific notation
6.38440069 × 10^8
Engineering notation
6.38440069 × 10^6
Prime Factorization
41 × 37 × 420857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638440069
Product of the distinct prime numbers
The prime factorization of 638440069 is 41 × 37 × 420857.
Since it has a total of 3 prime factors.
1 , 6 , 35 , 15 , 593 , 130 , 5977 , 9437 , 81760 , 65699 , 503541 , 945049 , 2033528 , 5914173 , 9764310 , 25296370 , 744198938 , 498102586 , 189381593 , 7665602696
n×2
1276880138
n×3
1915320207
n×4
2553760276
n×5
3192200345
n÷2
319220034.5
n÷3
212813356.33333
n÷3
159610017.25
n÷5
127688013.8
n2
407605721704724761
n3
2.6023182508996E+26
n4
1.6614242436643E+35
n5
1.0607198087633E+44
2 √n
25267.371628248
3 √n
861.07314608186
4 √n
158.95713770777
5 √n
57.679837365368
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638440068
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638440069 can be divided by 8 positive divisors.
The sum of these divisors (counting 638440069) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011011101001010000101
3
Ternary
1122111100010010111
4
Quaternary
212003131022011
5
Quinary
2301420040234
6
Senary
143203553021
8
Octal
4603351205
10
Decimal
638440069
12
Duodecimal
15998b771
16
Hexadecimal
260dd285
20
Vigesimal
9ja5039
36
Base36
ak3zid
md5
2f82404c62b3b3ea92c26fd3e4d586ab
sha1
b1848434dc8554faf03d485e3fac5383dae45ae0
sha256
6874330ed5b9b29e3da1958fbf5f2fbddcb4941ae0280135ab4a15ab1b9b88bb
sha512
859c011a38af78868a91efa17b0fc12a38844c40a594e5431f1dc6ec1dc98e762ccf3b549f841508de4d59fb546b0ed096b080027ed45c7a61e14de4c0522cdd
ripemd-160
ed2e0e160ec8441e71d86d5773b81636d8976ab9
Diameter
1276880138
Circumference
4011437261.0555
Area
1.2805311408687E+18
Volume
1.0900565199105E+27
Surface area
5.1221245634749E+18
Circumference
4011437261.0555
Perimeter
2553760276
Area
407605721704724761
Diagonal
902890604.34221
Surface area
2445634330228348566
Volume
2.6023182508996E+26
Space diagonal
1105810637.0958
Perimeter
1915320207
Area
1.7649845486209E+17
Altitude
552905318.54789
Surface area
1.7649845486209E+17
Volume
3.0668614700277E+25
Height
300963534.78074