638534992 is an even 9-digits composite number following 638534991
and preceding 638534993 . In scientific notation, it is written as 6.38534992 × 10^8.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 308258048 positive integers (up to 638534992) that are relatively prime to 638534992.
638534992 has 20 divisors, whose sum is 1279823220
The reverse of 638534992 is 299435836
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred thirty-eight million five hundred thirty-four thousand nine hundred ninety-two
Scientific notation
6.38534992 × 10^8
Engineering notation
6.38534992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 29 × 1376153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
79816874
Product of the distinct prime numbers
The prime factorization of 638534992 is 2 × 2 × 2 × 2 × 29 × 1376153.
Since it has a total of 6 prime factors.
6 , 4 , 56 , 54 , 721 , 680 , 9742 , 4049 , 2634 , 89219 , 787764 , 677822 , 8127561 , 685878 , 41612669 , 94640593 , 506061711 , 365629213 , 3331623631 , 5565774305
n×2
1277069984
n×3
1915604976
n×4
2554139968
n×5
3192674960
n÷2
319267496
n÷3
212844997.33333
n÷3
159633748
n÷5
127706998.4
n2
407726936008440064
n3
2.6034791582233E+26
n4
1.6624125434683E+35
n5
1.0615085801442E+44
2 √n
25269.249929509
3 √n
861.11581863106
4 √n
158.96304579842
5 √n
57.681552426148
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 1376153 , 2752306 , 5504612 , 11009224 , 22018448 , 39908437 , 79816874 , 159633748 , 319267496 , 638534992
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638534991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638534992 can be divided by 20 positive divisors.
The sum of these divisors (counting 638534992) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110000011110100010101010000
3
Ternary
1122111111221100011
4
Quaternary
212003310111100
5
Quinary
2301431104432
6
Senary
143210004304
8
Octal
4603642520
10
Decimal
638534992
12
Duodecimal
159a16694
16
Hexadecimal
260f4550
20
Vigesimal
9jagh9c
36
Base36
ak60r4
md5
47a7f5e82f81d35c7d19a310fcfcf281
sha1
0fe22585c241d0089d0e7d124abf1b8f37aca1d1
sha256
4631b184cf0a39b5ba5f304dadf53b686f53553fc0d8d750081bb5519a9880d7
sha512
70fe50a2100edc5886797b102b6b0d8a3b71036dcf4ae601c088ac82f7550ecfccdd496084fbe4990c5c4353e3fe6794e45300cf1681cd4810d2ba8229b547dd
ripemd-160
6c20bb5bc08f15384826135844738c3827e41183
Diameter
1277069984
Circumference
4012033679.8544
Area
1.2809119468348E+18
Volume
1.0905427996331E+27
Surface area
5.1236477873392E+18
Circumference
4012033679.8544
Perimeter
2554139968
Area
407726936008440064
Diagonal
903024845.7362
Surface area
2446361616050640384
Volume
2.6034791582233E+26
Space diagonal
1105975048.5546
Perimeter
1915604976
Area
1.7655094219525E+17
Altitude
552987524.27729
Surface area
1.7655094219525E+17
Volume
3.0682296124293E+25
Height
301008281.91207