638994097 is an odd 9-digits composite number following 638994096
and preceding 638994098 . In scientific notation, it is written as 6.38994097 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 547709220 positive integers (up to 638994097) that are relatively prime to 638994097.
638994097 has 4 divisors, whose sum is 730278976
The reverse of 638994097 is 790499836
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred thirty-eight million nine hundred ninety-four thousand ninety-seven
Scientific notation
6.38994097 × 10^8
Engineering notation
6.38994097 × 10^6
Prime Factorization
7 × 91284871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638994097
Product of the distinct prime numbers
The prime factorization of 638994097 is 7 × 91284871.
Since it has a total of 2 prime factors.
8 , 5 , 39 , 90 , 297 , 733 , 2473 , 4503 , 37533 , 23592 , 906486 , 319678 , 6810809 , 2903062 , 37080633 , 76141860 , 723475313 , 334424298 , 106568168 , 6935759528
n×2
1277988194
n×3
1916982291
n×4
2555976388
n×5
3194970485
n÷2
319497048.5
n÷3
212998032.33333
n÷3
159748524.25
n÷5
127798819.4
n2
408313456000845409
n3
2.6090988811021E+26
n4
1.6671987835135E+35
n5
1.0653301811907E+44
2 √n
25278.332559724
3 √n
861.32214920057
4 √n
158.99161160176
5 √n
57.689844618926
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638994096
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638994097 can be divided by 4 positive divisors.
The sum of these divisors (counting 638994097) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100100011010110001
3
Ternary
1122112101021010001
4
Quaternary
212011210122301
5
Quinary
2302040302342
6
Senary
143223510001
8
Octal
4605443261
10
Decimal
638994097
12
Duodecimal
159bb8301
16
Hexadecimal
261646b1
20
Vigesimal
9jde54h
36
Base36
akfv01
md5
65cf650eb55f6cde45b0db1eeac53377
sha1
0fd8347f37b5413ca4676bf9dae40b8b1934afb5
sha256
c0d6bc44642b19c26bb153c06c1f9508a0a52d6c882d36bba8b0a225e032e5b7
sha512
d65e7acf1a950cbcc8d404f699a16d548163c730ca8b7abbce4c3874663d02b0fb4fd4052ed20411a167f60eec85031007250f72cc17aba29f9427befa63c3c8
ripemd-160
50a4e711df9e7ab0efab38306cf288c55ae503b4
Diameter
1277988194
Circumference
4014918321.6449
Area
1.2827545537341E+18
Volume
1.092896783648E+27
Surface area
5.1310182149365E+18
Circumference
4014918321.6449
Perimeter
2555976388
Area
408313456000845409
Diagonal
903674118.25375
Surface area
2449880736005072454
Volume
2.6090988811021E+26
Space diagonal
1106770241.7406
Perimeter
1916982291
Area
1.7680491280188E+17
Altitude
553385120.8703
Surface area
1.7680491280188E+17
Volume
3.0748525193559E+25
Height
301224706.08458