638963960 is an even 9-digits composite number following 638963959
and preceding 638963961 . In scientific notation, it is written as 6.38963960 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors.
There are 246771840 positive integers (up to 638963960) that are relatively prime to 638963960.
638963960 has 16 divisors, whose sum is 1206322080
The reverse of 638963960 is 069369836
Previous prime number is 145
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million nine hundred sixty-three thousand nine hundred sixty
Scientific notation
6.38963960 × 10^8
Engineering notation
6.38963960 × 10^6
Prime Factorization
2 × 2 × 2 × 145 × 550831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159740990
Product of the distinct prime numbers
The prime factorization of 638963960 is 2 × 2 × 2 × 145 × 550831.
Since it has a total of 5 prime factors.
7 , 6 , 72 , 31 , 370 , 385 , 311 , 9641 , 48588 , 40126 , 413560 , 955166 , 9647459 , 5401745 , 58273406 , 37505434 , 695633650 , 153029722 , 7405603182 , 8549019303
n×2
1277927920
n×3
1916891880
n×4
2555855840
n×5
3194819800
n÷2
319481980
n÷3
212987986.66667
n÷3
159740990
n÷5
127792792
n2
408274942178881600
n3
2.6087297382339E+26
n4
1.6668842841117E+35
n5
1.0650789830378E+44
2 √n
25277.736449295
3 √n
861.30860808763
4 √n
158.9897369307
5 √n
57.68930044124
1 , 2 , 4 , 8 , 145 , 290 , 580 , 1160 , 550831 , 1101662 , 2203324 , 4406648 , 79870495 , 159740990 , 319481980 , 638963960
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
-638963959
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 638963960 can be divided by 16 positive divisors.
The sum of these divisors (counting 638963960) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101011101000011111000
3
Ternary
1122112022201202212
4
Quaternary
212011131003320
5
Quinary
2302033321320
6
Senary
143223114252
8
Octal
4605350370
10
Decimal
638963960
12
Duodecimal
159ba2988
16
Hexadecimal
2615d0f8
20
Vigesimal
9jda9i0
36
Base36
akf7qw
md5
2c3b6df66f3b1085b7a86e0cf5020c83
sha1
580050427bb007dd2f3eb00d6552ecf57cd26d22
sha256
18cbe6933a90f357730cefeacc4390438b18399ac041f1f319e698b058895dfc
sha512
ef349e5dac881b042ef750cc61b08ee39b08495d29320caed83519775a601b179810458bb3809511569f677321f2738f5e9b070c8819b7a899ca6141d01266df
ripemd-160
79fe58937b891a843763c3d670f2bda8d9767af8
Diameter
1277927920
Circumference
4014728965.2893
Area
1.282633558994E+18
Volume
1.0927421574449E+27
Surface area
5.1305342359759E+18
Circumference
4014728965.2893
Perimeter
2555855840
Area
408274942178881600
Diagonal
903631498.09962
Surface area
2449649653073289600
Volume
2.6087297382339E+26
Space diagonal
1106718042.9254
Perimeter
1916891880
Area
1.7678823582777E+17
Altitude
553359021.4627
Surface area
1.7678823582777E+17
Volume
3.0744174803137E+25
Height
301210499.36654