638992064 is an even 9-digits composite number following 638992063
and preceding 638992065 . In scientific notation, it is written as 6.38992064 × 10^8.
The sum of its digits is 47. It has a total of 7 prime factors and 14 positive divisors.
There are 319496000 positive integers (up to 638992064) that are relatively prime to 638992064.
638992064 has 14 divisors, whose sum is 1268000004
The reverse of 638992064 is 460299836
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-eight million nine hundred ninety-two thousand sixty-four
Scientific notation
6.38992064 × 10^8
Engineering notation
6.38992064 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 9984251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
19968502
Product of the distinct prime numbers
The prime factorization of 638992064 is 2 × 2 × 2 × 2 × 2 × 2 × 9984251.
Since it has a total of 7 prime factors.
6 , 8 , 82 , 88 , 426 , 418 , 1276 , 8815 , 73036 , 60225 , 942676 , 81732 , 1485599 , 3416454 , 40107022 , 78630827 , 67435910 , 465792614 , 7228218346 , 8029165008
n×2
1277984128
n×3
1916976192
n×4
2555968256
n×5
3194960320
n÷2
319496032
n÷3
212997354.66667
n÷3
159748016
n÷5
127798412.8
n2
408310857854980096
n3
2.6090739781436E+26
n4
1.6671775664227E+35
n5
1.0653132342229E+44
2 √n
25278.292347388
3 √n
861.32123574936
4 √n
158.99148514115
5 √n
57.689807910104
1 , 2 , 4 , 8 , 16 , 32 , 64 , 9984251 , 19968502 , 39937004 , 79874008 , 159748016 , 319496032 , 638992064
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638992063
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
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
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638992064 can be divided by 14 positive divisors.
The sum of these divisors (counting 638992064) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
100110000101100011111011000000
3
Ternary
1122112101011022202
4
Quaternary
212011203323000
5
Quinary
2302040221224
6
Senary
143223452332
8
Octal
4605437300
10
Decimal
638992064
12
Duodecimal
159bb70a8
16
Hexadecimal
26163ec0
20
Vigesimal
9jde034
36
Base36
akftfk
md5
404634d928a319e324a611f5babae19a
sha1
fb96445e753ef3c97dd03bdbd8036d9bbc33d5c3
sha256
e49cc5e2656b79d88ab84540015d3aa199ff1ea112bbbfe0a098bd9c9997ea10
sha512
039072b3997e31f9cd4d6bdf448c03f65464ddfbdda6625997d69be03442b8939096090fb445d00d13b8262465932b2067865d7f95f39dd328cf12e58b2e7017
ripemd-160
432e8a667ba2527ff26261d898fe1ab94d975e88
Diameter
1277984128
Circumference
4014905547.9292
Area
1.2827463914182E+18
Volume
1.0928863523211E+27
Surface area
5.1309855656726E+18
Circumference
4014905547.9292
Perimeter
2555968256
Area
408310857854980096
Diagonal
903671243.15758
Surface area
2449865147129880576
Volume
2.6090739781436E+26
Space diagonal
1106766720.4813
Perimeter
1916976192
Area
1.7680378777171E+17
Altitude
553383360.24065
Surface area
1.7680378777171E+17
Volume
3.0748231709379E+25
Height
301223747.71919