638998364 is an even 9-digits composite number following 638998363
and preceding 638998365 . In scientific notation, it is written as 6.38998364 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 316205184 positive integers (up to 638998364) that are relatively prime to 638998364.
638998364 has 12 divisors, whose sum is 1129776144
The reverse of 638998364 is 463899836
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred thirty-eight million nine hundred ninety-eight thousand three hundred sixty-four
Scientific notation
6.38998364 × 10^8
Engineering notation
6.38998364 × 10^6
Prime Factorization
2 × 2 × 97 × 1646903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319499182
Product of the distinct prime numbers
The prime factorization of 638998364 is 2 × 2 × 97 × 1646903.
Since it has a total of 4 prime factors.
10 , 6 , 59 , 5 , 85 , 705 , 5579 , 823 , 74139 , 48908 , 336572 , 698594 , 9067161 , 6779078 , 48613299 , 58235327 , 377134027 , 212372729 , 3227262609 , 8631815943
n×2
1277996728
n×3
1916995092
n×4
2555993456
n×5
3194991820
n÷2
319499182
n÷3
212999454.66667
n÷3
159749591
n÷5
127799672.8
n2
408318909194676496
n3
2.6091511496566E+26
n4
1.6672433160593E+35
n5
1.0653657513518E+44
2 √n
25278.416959928
3 √n
861.32406640839
4 √n
158.99187702499
5 √n
57.689921665619
1 , 2 , 4 , 97 , 194 , 388 , 1646903 , 3293806 , 6587612 , 159749591 , 319499182 , 638998364
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638998363
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638998364 can be divided by 12 positive divisors.
The sum of these divisors (counting 638998364) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101100101011101011100
3
Ternary
1122112101110222002
4
Quaternary
212011211131130
5
Quinary
2302040421424
6
Senary
143223541432
8
Octal
4605453534
10
Decimal
638998364
12
Duodecimal
159bba878
16
Hexadecimal
2616575c
20
Vigesimal
9jdefi4
36
Base36
akfyak
md5
e3a0fb0a2b832f661c5635132e1d4bcd
sha1
8186ccc0ef4dc2af431de9763248b54cef2dc9b1
sha256
22814c2470df424a99c4e09b8a7447567f7ef64c6d28fee7b75d6c16bef3c280
sha512
07cbc51ea3be26b2fd8257f6e691268a65f9afd54f15a7a6081958b6f3034dcb9a3c4bc501745e4d3e0b04e34e4e9a8d74b5973271165ac0ef47de35ec5f630c
ripemd-160
115b1f7900f3a3635612e62ffc9b90eca0a0cc7e
Diameter
1277996728
Circumference
4014945131.9966
Area
1.2827716854478E+18
Volume
1.0929186778489E+27
Surface area
5.1310867417912E+18
Circumference
4014945131.9966
Perimeter
2555993456
Area
408318909194676496
Diagonal
903680152.70302
Surface area
2449913455168058976
Volume
2.6091511496566E+26
Space diagonal
1106777632.4014
Perimeter
1916995092
Area
1.7680727410407E+17
Altitude
553388816.2007
Surface area
1.7680727410407E+17
Volume
3.0749141184381E+25
Height
301226717.56767