638479916 is an even 9-digits composite number following 638479915
and preceding 638479917 . In scientific notation, it is written as 6.38479916 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 319154352 positive integers (up to 638479916) that are relatively prime to 638479916.
638479916 has 12 divisors, whose sum is 1117639488
The reverse of 638479916 is 619974836
Previous prime number is 4127
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred thirty-eight million four hundred seventy-nine thousand nine hundred sixteen
Scientific notation
6.38479916 × 10^8
Engineering notation
6.38479916 × 10^6
Prime Factorization
2 × 2 × 4127 × 38677
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
319239958
Product of the distinct prime numbers
The prime factorization of 638479916 is 2 × 2 × 4127 × 38677.
Since it has a total of 4 prime factors.
5 , 10 , 44 , 11 , 644 , 226 , 7416 , 2967 , 7924 , 36505 , 606552 , 788573 , 6831845 , 6623818 , 48612939 , 2348369 , 626592755 , 315551267 , 9514437215 , 4762010233
n×2
1276959832
n×3
1915439748
n×4
2553919664
n×5
3192399580
n÷2
319239958
n÷3
212826638.66667
n÷3
159619979
n÷5
127695983.2
n2
407656603135367056
n3
2.6028055372671E+26
n4
1.6618390607987E+35
n5
1.0610508639442E+44
2 √n
25268.160122969
3 √n
861.09105977991
4 √n
158.95961790017
5 √n
57.680557342454
1 , 2 , 4 , 4127 , 8254 , 16508 , 38677 , 77354 , 154708 , 159619979 , 319239958 , 638479916
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638479915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638479916 can be divided by 12 positive divisors.
The sum of these divisors (counting 638479916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011100110111000101100
3
Ternary
1122111102010210022
4
Quaternary
212003212320230
5
Quinary
2301422324131
6
Senary
143204501312
8
Octal
4603467054
10
Decimal
638479916
12
Duodecimal
1599aa838
16
Hexadecimal
260e6e2c
20
Vigesimal
9ja9jfg
36
Base36
ak4u98
md5
47023d568056587fb44e973da03e5c3d
sha1
ae6986be6cd0b96d288c6372d79f0d809691f6ec
sha256
3b771ae9d874afa4cd2bf29a2047c3d161019bbaae6cdcb853fe93957fc7cdb3
sha512
4abdfb250ea518f01715eabbd0815f0b882e15e598eb06e79e3e8bed498d33ffc0c314fb9f01bf30355d39c8fbca6d7816416522322817163bc5be0407697036
ripemd-160
d613822bc82a3914d25d01b3ceef61b08c75343f
Diameter
1276959832
Circumference
4011687627.1405
Area
1.2806909895974E+18
Volume
1.0902606339468E+27
Surface area
5.1227639583898E+18
Circumference
4011687627.1405
Perimeter
2553919664
Area
407656603135367056
Diagonal
902946956.51003
Surface area
2445939618812202336
Volume
2.6028055372671E+26
Space diagonal
1105879654.1243
Perimeter
1915439748
Area
1.7652048716785E+17
Altitude
552939827.06215
Surface area
1.7652048716785E+17
Volume
3.0674357425192E+25
Height
300982318.83668