638863489 is an odd 9-digits composite number following 638863488
and preceding 638863490 . In scientific notation, it is written as 6.38863489 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 580784980 positive integers (up to 638863489) that are relatively prime to 638863489.
638863489 has 4 divisors, whose sum is 696942000
The reverse of 638863489 is 984368836
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred thirty-eight million eight hundred sixty-three thousand four hundred eighty-nine
Scientific notation
6.38863489 × 10^8
Engineering notation
6.38863489 × 10^6
Prime Factorization
11 × 58078499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638863489
Product of the distinct prime numbers
The prime factorization of 638863489 is 11 × 58078499.
Since it has a total of 2 prime factors.
5 , 9 , 93 , 76 , 174 , 65 , 4382 , 9418 , 42470 , 3890 , 873406 , 82025 , 205710 , 3198148 , 40685665 , 8084163 , 200023820 , 126524481 , 9083516091 , 9014988947
n×2
1277726978
n×3
1916590467
n×4
2555453956
n×5
3194317445
n÷2
319431744.5
n÷3
212954496.33333
n÷3
159715872.25
n÷5
127772697.8
n2
408146557577253121
n3
2.6074993379714E+26
n4
1.6658361246216E+35
n5
1.064241878678E+44
2 √n
25275.749029455
3 √n
861.26346152817
4 √n
158.98348665649
5 √n
57.687486108459
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
-638863488
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 638863489 can be divided by 4 positive divisors.
The sum of these divisors (counting 638863489) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101000100100010000001
3
Ternary
1122112010121221201
4
Quaternary
212011010202001
5
Quinary
2302022112424
6
Senary
143221021201
8
Octal
4605044201
10
Decimal
638863489
12
Duodecimal
159b54801
16
Hexadecimal
26144881
20
Vigesimal
9jchie9
36
Base36
akd281
md5
1ab992ad5935dfd7c0abd4a6a2e2c97b
sha1
5d6c0e44011053bb25e6dba993d814ab63487423
sha256
d3fba3c7beafdba332abeebe36b62d7b2146751cbada90f19f22a954891b4658
sha512
9b0fcf0ff21a0496bb24508315203b5d64cb728f1e8cadab456687f172e0da4501fe5cbf2df6c167b8662a92f8bcfb2640e53a55b4c6d1dddb955d39368f7f88
ripemd-160
37414b9a7428a407e235594d688055b33480f7be
Diameter
1277726978
Circumference
4014097687.3783
Area
1.2822302268727E+18
Volume
1.0922267685882E+27
Surface area
5.1289209074906E+18
Circumference
4014097687.3783
Perimeter
2555453956
Area
408146557577253121
Diagonal
903489410.64879
Surface area
2448879345463518726
Volume
2.6074993379714E+26
Space diagonal
1106544022.0487
Perimeter
1916590467
Area
1.7673264366453E+17
Altitude
553272011.02436
Surface area
1.7673264366453E+17
Volume
3.0729674396984E+25
Height
301163136.88293