638085393 is an odd 9-digits composite number following 638085392
and preceding 638085394 . In scientific notation, it is written as 6.38085393 × 10^8.
The sum of its digits is 45. It has a total of 6 prime factors and 24 positive divisors.
There are 386711160 positive integers (up to 638085393) that are relatively prime to 638085393.
638085393 has 24 divisors, whose sum is 1013796576
The reverse of 638085393 is 393580836
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-eight million eighty-five thousand three hundred ninety-three
Scientific notation
6.38085393 × 10^8
Engineering notation
6.38085393 × 10^6
Prime Factorization
3 × 3 × 11 × 11 × 11 × 53267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1757811
Product of the distinct prime numbers
The prime factorization of 638085393 is 3 × 3 × 11 × 11 × 11 × 53267.
Since it has a total of 6 prime factors.
7 , 4 , 52 , 73 , 560 , 666 , 5165 , 740 , 21380 , 14565 , 805960 , 502986 , 9441345 , 4458187 , 92442215 , 77948879 , 81887866 , 451570959 , 9587493545 , 8410021969
n×2
1276170786
n×3
1914256179
n×4
2552341572
n×5
3190426965
n÷2
319042696.5
n÷3
212695131
n÷3
159521348.25
n÷5
127617078.6
n2
407152968759964449
n3
2.5979836208232E+26
n4
1.6577353997005E+35
n5
1.0577767440079E+44
2 √n
25260.352194694
3 √n
860.91366436733
4 √n
158.93505653157
5 √n
57.673427303567
1 , 3 , 9 , 11 , 33 , 99 , 121 , 363 , 1089 , 1331 , 3993 , 11979 , 53267 , 159801 , 479403 , 585937 , 1757811 , 5273433 , 6445307 , 19335921 , 58007763 , 70898377 , 212695131 , 638085393
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
-638085392
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 638085393 can be divided by 24 positive divisors.
The sum of these divisors (counting 638085393) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000010000110100100010001
3
Ternary
1122110200002121100
4
Quaternary
212002012210101
5
Quinary
2301322213033
6
Senary
143152215013
8
Octal
4602064421
10
Decimal
638085393
12
Duodecimal
15983a469
16
Hexadecimal
26086911
20
Vigesimal
9j80d9d
36
Base36
ajwdu9
md5
ab2b9ab981d30fcac6c4e82f40969d46
sha1
5f77cfb4f0e7657ff88ff465c26562aa972582db
sha256
8110b89e7fe051f16461271befe0713afc6e7a071fafda64c53abf1eb2f62680
sha512
72b5059cb4961240c4c18c9c764e34859cbd3bba46a8ce607391705a166e7e0e77dded2a3685a3fb38062dd266624d02cd15c8736b246eb437ee329be96c667b
ripemd-160
3c6829d47e87c65dbb1c2fb600ee3201005093f7
Diameter
1276170786
Circumference
4009208766.0235
Area
1.2791087755436E+18
Volume
1.08824083431E+27
Surface area
5.1164351021743E+18
Circumference
4009208766.0235
Perimeter
2552341572
Area
407152968759964449
Diagonal
902389016.73277
Surface area
2442917812559786694
Volume
2.5979836208232E+26
Space diagonal
1105196320.2436
Perimeter
1914256179
Area
1.7630240708619E+17
Altitude
552598160.12178
Surface area
1.7630240708619E+17
Volume
3.0617530594928E+25
Height
300796338.91092