638406922 is an even 9-digits composite number following 638406921
and preceding 638406923 . In scientific notation, it is written as 6.38406922 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 312411852 positive integers (up to 638406922) that are relatively prime to 638406922.
638406922 has 8 divisors, whose sum is 977985216
The reverse of 638406922 is 229604836
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-eight million four hundred six thousand nine hundred twenty-two
Scientific notation
6.38406922 × 10^8
Engineering notation
6.38406922 × 10^6
Prime Factorization
2 × 47 × 6791563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638406922
Product of the distinct prime numbers
The prime factorization of 638406922 is 2 × 47 × 6791563.
Since it has a total of 3 prime factors.
10 , 3 , 14 , 83 , 94 , 608 , 3317 , 6837 , 50600 , 994 , 968822 , 709405 , 6498805 , 9112684 , 77264356 , 23216323 , 317997289 , 184033429 , 9277559342 , 4139893572
n×2
1276813844
n×3
1915220766
n×4
2553627688
n×5
3192034610
n÷2
319203461
n÷3
212802307.33333
n÷3
159601730.5
n÷5
127681384.4
n2
407563398057514084
n3
2.6019129447376E+26
n4
1.6610792343619E+35
n5
1.0604444812071E+44
2 √n
25266.715694763
3 √n
861.05824388147
4 √n
158.95507445427
5 √n
57.679238420105
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638406921
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638406922 can be divided by 8 positive divisors.
The sum of these divisors (counting 638406922) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011010101000100001010
3
Ternary
1122111021102122211
4
Quaternary
212003111010022
5
Quinary
2301413010142
6
Senary
143203135334
8
Octal
4603250412
10
Decimal
638406922
12
Duodecimal
15997454a
16
Hexadecimal
260d510a
20
Vigesimal
9ja0h62
36
Base36
ak39xm
md5
ac56582002d5c2fed41411e70c79f0df
sha1
7408ce8c051405d92234959580e1888751b2e900
sha256
3fb44978a93db6fe69f838fe2753f2462e76334692f0bd0608bea272b328a643
sha512
889bcdc0587ba91813a4f24b8cbfc591af60741adc1c09475b38144651417bec6b2f1244ae9332eb38b5e73c81fa914817a1b939e4ce829deb79c6a33ddef897
ripemd-160
7e2f789938792bc02697be3dce73d573dee6dc00
Diameter
1276813844
Circumference
4011228992.3121
Area
1.2803981772096E+18
Volume
1.0898867456624E+27
Surface area
5.1215927088383E+18
Circumference
4011228992.3121
Perimeter
2553627688
Area
407563398057514084
Diagonal
902843727.40526
Surface area
2445380388345084504
Volume
2.6019129447376E+26
Space diagonal
1105753224.8077
Perimeter
1915220766
Area
1.7648012818526E+17
Altitude
552876612.40383
Surface area
1.7648012818526E+17
Volume
3.066383812135E+25
Height
300947909.13509