638406924 is an even 9-digits composite number following 638406923
and preceding 638406925 . In scientific notation, it is written as 6.38406924 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 212802304 positive integers (up to 638406924) that are relatively prime to 638406924.
638406924 has 12 divisors, whose sum is 1489616184
The reverse of 638406924 is 429604836
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
six hundred thirty-eight million four hundred six thousand nine hundred twenty-four
Scientific notation
6.38406924 × 10^8
Engineering notation
6.38406924 × 10^6
Prime Factorization
2 × 2 × 3 × 53200577
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319203462 Product of the distinct prime numbers
The prime factorization of 638406924 is 2 × 2 × 3 × 53200577.
Since it has a total of 4 prime factors.
7 , 4 , 78 , 29 , 717 , 281 , 8903 , 5461 , 16508 , 8099 , 834760 , 601448 , 7359695 , 3329033 , 13903671 , 96621208 , 691684241 , 278227427 , 9547926987 , 3009334735
n×2
1276813848
n×3
1915220772
n×4
2553627696
n×5
3192034620
n÷2
319203462
n÷3
212802308
n÷3
159601731
n÷5
127681384.8
n2
407563400611141776
n3
2.6019129691914E+26
n4
1.6610792551772E+35
n5
1.0604444978179E+44
2 √n25266.715734341
3 √n861.05824478064
4 √n158.95507457877
5 √n57.679238456244
1 , 2 , 3 , 4 , 6 , 12 , 53200577 , 106401154 , 159601731 , 212802308 , 319203462 , 638406924
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
-638406923 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 638406924 can be divided by 12 positive divisors.
The sum of these divisors (counting 638406924) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011010101000100001100
3
Ternary
1122111021102122220
4
Quaternary
212003111010030
5
Quinary
2301413010144
6
Senary
143203135340
8
Octal
4603250414
10
Decimal
638406924
12
Duodecimal
159974550
16
Hexadecimal
260d510c
20
Vigesimal
9ja0h64
36
Base36
ak39xo
md5
e2a2b48d5f139a6d9774cfbe7772c149
sha1
24a63ba9cb08db348646940a03ff41b761ac2806
sha256
de33af46fbff04bd980397e7aa44b380dca8887020ff33ca6dc1cdf0d297d8b0
sha512
ebec29e6c1ec41ab07dcf0dc9fd631ddfe31667445005538f983b17cabb01703f7eeaf6e4e8f5ad1544ed69e01dec2360a42a86e8011e4fcf79cae0337b26d10
ripemd-160
b29aa9620ad40777d1199a194817ce0e800f17b1
Diameter
1276813848
Circumference
4011229004.8785
Area
1.280398185232E+18
Volume
1.0898867559056E+27
Surface area
5.1215927409281E+18
Circumference
4011229004.8785
Perimeter
2553627696
Area
407563400611141776
Diagonal
902843730.23369
Surface area
2445380403666850656
Volume
2.6019129691914E+26
Space diagonal
1105753228.2718
Perimeter
1915220772
Area
1.7648012929101E+17
Altitude
552876614.13588
Surface area
1.7648012929101E+17
Volume
3.0663838409541E+25
Height
300947910.0779