638691323 is an odd 9-digits composite number following 638691322
and preceding 638691324 . In scientific notation, it is written as 6.38691323 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 629664640 positive integers (up to 638691323) that are relatively prime to 638691323.
638691323 has 8 divisors, whose sum is 647760240
The reverse of 638691323 is 323196836
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred thirty-eight million six hundred ninety-one thousand three hundred twenty-three
Scientific notation
6.38691323 × 10^8
Engineering notation
6.38691323 × 10^6
Prime Factorization
89 × 347 × 20681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638691323
Product of the distinct prime numbers
The prime factorization of 638691323 is 89 × 347 × 20681.
Since it has a total of 3 prime factors.
5 , 6 , 98 , 39 , 471 , 514 , 9179 , 2400 , 42204 , 50115 , 642441 , 892284 , 2713113 , 216138 , 43857712 , 46770782 , 36208751 , 329342981 , 7581466236 , 4251609557
n×2
1277382646
n×3
1916073969
n×4
2554765292
n×5
3193456615
n÷2
319345661.5
n÷3
212897107.66667
n÷3
159672830.75
n÷5
127738264.6
n2
407926606075490329
n3
2.6053918372125E+26
n4
1.6640411594427E+35
n5
1.0628086496509E+44
2 √n
25272.343045313
3 √n
861.1860878745
4 √n
158.97277454116
5 √n
57.684376556988
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
-638691322
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 638691323 can be divided by 8 positive divisors.
The sum of these divisors (counting 638691323) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000100011010011111111011
3
Ternary
1122111210212210012
4
Quaternary
212010122133323
5
Quinary
2302001110243
6
Senary
143213212135
8
Octal
4604323773
10
Decimal
638691323
12
Duodecimal
159a9104b
16
Hexadecimal
2611a7fb
20
Vigesimal
9jbg863
36
Base36
ak9ddn
md5
a013108fd6ff2f7abd74e9faecc60d0c
sha1
ddd9d07254227b1ab28977ef2115dd2a02f83eef
sha256
b4b06e69891882fe7840e7b3102db8cf1590e7d5df207be863e19563197065c0
sha512
cad08baed6cf34e49102491dc25cf35ab5c4d658575d01a29b9374d512c7d516f6749f303ce17e51ea7a919ed6b62be709fbca81d32aa318e7f38095c438ae06
ripemd-160
7908dc5a53f517c023c1dc6c4a2cccb0aff8a7f9
Diameter
1277382646
Circumference
4013015936.4967
Area
1.2815392288506E+18
Volume
1.0913439807346E+27
Surface area
5.1261569154023E+18
Circumference
4013015936.4967
Perimeter
2554765292
Area
407926606075490329
Diagonal
903245931.15662
Surface area
2447559636452941974
Volume
2.6053918372125E+26
Space diagonal
1106245821.7894
Perimeter
1916073969
Area
1.7663740187047E+17
Altitude
553122910.89469
Surface area
1.7663740187047E+17
Volume
3.0704837262351E+25
Height
301081977.05221