638406039 is an odd 9-digits composite number following 638406038
and preceding 638406040 . In scientific notation, it is written as 6.38406039 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 415223360 positive integers (up to 638406039) that are relatively prime to 638406039.
638406039 has 8 divisors, whose sum is 871969392
The reverse of 638406039 is 930604836
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred thirty-eight million four hundred six thousand thirty-nine
Scientific notation
6.38406039 × 10^8
Engineering notation
6.38406039 × 10^6
Prime Factorization
3 × 41 × 5190293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638406039
Product of the distinct prime numbers
The prime factorization of 638406039 is 3 × 41 × 5190293.
Since it has a total of 3 prime factors.
7 , 6 , 74 , 59 , 157 , 646 , 1893 , 5787 , 77368 , 12837 , 16593 , 426160 , 7384688 , 8530002 , 91246987 , 51757290 , 576539444 , 972591032 , 6771165577 , 9089409930
n×2
1276812078
n×3
1915218117
n×4
2553624156
n×5
3192030195
n÷2
319203019.5
n÷3
212802013
n÷3
159601509.75
n÷5
127681207.8
n2
407562270631669521
n3
2.6019021483981E+26
n4
1.6610700444244E+35
n5
1.0604371475625E+44
2 √n
25266.698221176
3 √n
861.05784689602
4 √n
158.95501949035
5 √n
57.679222464514
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
-638406038
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 638406039 can be divided by 8 positive divisors.
The sum of these divisors (counting 638406039) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011010100110110010111
3
Ternary
1122111021101110010
4
Quaternary
212003110312113
5
Quinary
2301412443124
6
Senary
143203131303
8
Octal
4603246627
10
Decimal
638406039
12
Duodecimal
159973b33
16
Hexadecimal
260d4d97
20
Vigesimal
9ja0f1j
36
Base36
ak3993
md5
d157661a71947c95793644f8fc165c15
sha1
7495f456d47e49c77046018799be0ca9eb5493a6
sha256
5929260e81ad7f4aef37ab8db3ee889001e76e0ec90986cf5083fa2803f3bc3b
sha512
92e8d3eb49dea2de91e43a5c1274902c332fd8e508587264ade679a20f9a69247b797b09c3eb69cb5c6a5895d2538549e485dc4faf0b6643d806a58af1480e3c
ripemd-160
f9295e65ec592fd80321b7f1b67061f913c9cf53
Diameter
1276812078
Circumference
4011223444.2595
Area
1.2803946352968E+18
Volume
1.0898822233023E+27
Surface area
5.1215785411873E+18
Circumference
4011223444.2595
Perimeter
2553624156
Area
407562270631669521
Diagonal
902842478.65469
Surface area
2445373623790017126
Volume
2.6019021483981E+26
Space diagonal
1105751695.4068
Perimeter
1915218117
Area
1.7647963999555E+17
Altitude
552875847.7034
Surface area
1.7647963999555E+17
Volume
3.0663710885269E+25
Height
300947492.8849