638992020 is an even 9-digits composite number following 638992019
and preceding 638992021 . In scientific notation, it is written as 6.38992020 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 170397856 positive integers (up to 638992020) that are relatively prime to 638992020.
638992020 has 24 divisors, whose sum is 1789177824
The reverse of 638992020 is 020299836
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred thirty-eight million nine hundred ninety-two thousand twenty
Scientific notation
6.38992020 × 10^8
Engineering notation
6.38992020 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 10649867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319496010
Product of the distinct prime numbers
The prime factorization of 638992020 is 2 × 2 × 3 × 5 × 10649867.
Since it has a total of 5 prime factors.
9 , 2 , 100 , 71 , 527 , 24 , 3596 , 9054 , 76539 , 53650 , 203291 , 152021 , 4286838 , 6194695 , 51075913 , 41157002 , 418603947 , 596319363 , 7018456252 , 6631675979
n×2
1277984040
n×3
1916976060
n×4
2555968080
n×5
3194960100
n÷2
319496010
n÷3
212997340
n÷3
159748005
n÷5
127798404
n2
408310801623680400
n3
2.6090734391733E+26
n4
1.6671771072257E+35
n5
1.0653128674439E+44
2 √n
25278.291477076
3 √n
861.32121597962
4 √n
158.99148240417
5 √n
57.689807115618
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 10649867 , 21299734 , 31949601 , 42599468 , 53249335 , 63899202 , 106498670 , 127798404 , 159748005 , 212997340 , 319496010 , 638992020
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
-638992019
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 638992020 can be divided by 24 positive divisors.
The sum of these divisors (counting 638992020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101100011111010010100
3
Ternary
1122112101011021010
4
Quaternary
212011203322110
5
Quinary
2302040221040
6
Senary
143223452220
8
Octal
4605437224
10
Decimal
638992020
12
Duodecimal
159bb7070
16
Hexadecimal
26163e94
20
Vigesimal
9jde010
36
Base36
akftec
md5
65f8d0635fe2a482eb8e5b3f88a5ce5b
sha1
1ac3026bc794c47eccbaa25f6b0c8c7ad4e3b751
sha256
de0974926d565fd586d4e5839a2eb157cb63e605f4681fcd04cdbe8228611917
sha512
6ef5303725ba6ed12ead4c5337411b0e52ccc1eba9804614ea071f7a09dcd52994b751bab50934ed3ba15979715438e74579051c4dddb963d147125988b98063
ripemd-160
37511282d0f57fd354149d43cf7643cf6cf64f26
Diameter
1277984040
Circumference
4014905271.469
Area
1.2827462147623E+18
Volume
1.0928861265578E+27
Surface area
5.1309848590493E+18
Circumference
4014905271.469
Perimeter
2555968080
Area
408310801623680400
Diagonal
903671180.93218
Surface area
2449864809742082400
Volume
2.6090734391733E+26
Space diagonal
1106766644.2711
Perimeter
1916976060
Area
1.7680376342285E+17
Altitude
553383322.13553
Surface area
1.7680376342285E+17
Volume
3.0748225357553E+25
Height
301223726.97739