638966039 is an odd 9-digits composite number following 638966038
and preceding 638966040 . In scientific notation, it is written as 6.38966039 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 626907320 positive integers (up to 638966039) that are relatively prime to 638966039.
638966039 has 4 divisors, whose sum is 639196320
The reverse of 638966039 is 930669836
Previous prime number is 2809
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million nine hundred sixty-six thousand thirty-nine
Scientific notation
6.38966039 × 10^8
Engineering notation
6.38966039 × 10^6
Prime Factorization
2809 × 227471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638966039
Product of the distinct prime numbers
The prime factorization of 638966039 is 2809 × 227471.
Since it has a total of 2 prime factors.
10 , 8 , 59 , 68 , 203 , 191 , 770 , 7320 , 27141 , 36047 , 561416 , 839115 , 283528 , 2578021 , 11173487 , 52332043 , 571040028 , 500797383 , 7117633171 , 7405888467
n×2
1277932078
n×3
1916898117
n×4
2555864156
n×5
3194830195
n÷2
319483019.5
n÷3
212988679.66667
n÷3
159741509.75
n÷5
127793207.8
n2
408277598995349521
n3
2.6087552024249E+26
n4
1.6669059784141E+35
n5
1.0650963104127E+44
2 √n
25277.777572405
3 √n
861.30954223456
4 √n
158.98986625696
5 √n
57.68933798198
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
-638966038
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 638966039 can be divided by 4 positive divisors.
The sum of these divisors (counting 638966039) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101011101100100010111
3
Ternary
1122112022211121212
4
Quaternary
212011131210113
5
Quinary
2302033403124
6
Senary
143223132035
8
Octal
4605354427
10
Decimal
638966039
12
Duodecimal
159ba401b
16
Hexadecimal
2615d917
20
Vigesimal
9jdaf1j
36
Base36
akf9cn
md5
5f49fd3bca4615e62ffc499f5a77d21c
sha1
d67a563f8cf2c9ef82aa7e82d71a364d0cf669b5
sha256
1cbf2e236cf05a9f85f4bd0dc135e3b57c067940eeff07917bb09ca4301a994d
sha512
b30aff4d1b6866686d94104e6ec5821875b963bd1ffc50c53f6b72cf94efc4903838a288dd467a95ff0daa90e0e281e0ba232b923fc973fc585e3236fcbf86e8
ripemd-160
747a8d61240cf3ec0a29e4b65b8c5402e30c89de
Diameter
1277932078
Circumference
4014742028.0315
Area
1.2826419056291E+18
Volume
1.0927528238603E+27
Surface area
5.1305676225163E+18
Circumference
4014742028.0315
Perimeter
2555864156
Area
408277598995349521
Diagonal
903634438.24962
Surface area
2449665593972097126
Volume
2.6087552024249E+26
Space diagonal
1106721643.859
Perimeter
1916898117
Area
1.7678938626304E+17
Altitude
553360821.92952
Surface area
1.7678938626304E+17
Volume
3.0744474901505E+25
Height
301211479.41654