638802008 is an even 9-digits composite number following 638802007
and preceding 638802009 . In scientific notation, it is written as 6.38802008 × 10^8.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 294831648 positive integers (up to 638802008) that are relatively prime to 638802008.
638802008 has 16 divisors, whose sum is 1289888880
The reverse of 638802008 is 800208836
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
six hundred thirty-eight million eight hundred two thousand eight
Scientific notation
6.38802008 × 10^8
Engineering notation
6.38802008 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 6142327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159700502
Product of the distinct prime numbers
The prime factorization of 638802008 is 2 × 2 × 2 × 13 × 6142327.
Since it has a total of 5 prime factors.
10 , 5 , 30 , 83 , 56 , 983 , 426 , 813 , 52338 , 65810 , 334113 , 576232 , 3108256 , 234182 , 59323494 , 26005500 , 94327319 , 325261410 , 4411576012 , 3295645620
n×2
1277604016
n×3
1916406024
n×4
2555208032
n×5
3194010040
n÷2
319401004
n÷3
212934002.66667
n÷3
159700502
n÷5
127760401.6
n2
408068005424832064
n3
2.6067466126594E+26
n4
1.665194970514E+35
n5
1.0637298908758E+44
2 √n
25274.532794891
3 √n
861.23583275798
4 √n
158.97966157622
5 √n
57.686375755174
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 6142327 , 12284654 , 24569308 , 49138616 , 79850251 , 159700502 , 319401004 , 638802008
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638802007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638802008 can be divided by 16 positive divisors.
The sum of these divisors (counting 638802008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000100110101100001011000
3
Ternary
1122112000111121122
4
Quaternary
212010311201120
5
Quinary
2302013131013
6
Senary
143215424412
8
Octal
4604654130
10
Decimal
638802008
12
Duodecimal
159b25108
16
Hexadecimal
26135858
20
Vigesimal
9jca508
36
Base36
akbqs8
md5
766409c532c5cd664e3aa3b8a4ae3837
sha1
9f84ec9ab592c1e6e176a83172393f7af5033d0b
sha256
0cd0b3cd40bfaef0f86965665dccfbbcbdb5c8d36837f3a91163a9c6b2f55520
sha512
f9596486f85cf209f4a1f557458f391d7095b3cfd3028394f7e517516c148ba4795780e3d3bbb69a31cd478114c8456bef3d6135a98c83d46e518284d9a8cfc2
ripemd-160
64133cf7b39193f87aa6aae09ce7ed6e0edbabd7
Diameter
1277604016
Circumference
4013711390.8624
Area
1.2819834480077E+18
Volume
1.0919114677468E+27
Surface area
5.1279337920308E+18
Circumference
4013711390.8624
Perimeter
2555208032
Area
408068005424832064
Diagonal
903402463.38477
Surface area
2448408032548992384
Volume
2.6067466126594E+26
Space diagonal
1106437533.833
Perimeter
1916406024
Area
1.7669862958478E+17
Altitude
553218766.91651
Surface area
1.7669862958478E+17
Volume
3.0720803444108E+25
Height
301134154.46159