638366913 is an odd 9-digits composite number following 638366912
and preceding 638366914 . In scientific notation, it is written as 6.38366913 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 425577888 positive integers (up to 638366913) that are relatively prime to 638366913.
638366913 has 8 divisors, whose sum is 882680288
The reverse of 638366913 is 319663836
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-eight million three hundred sixty-six thousand nine hundred thirteen
Scientific notation
6.38366913 × 10^8
Engineering notation
6.38366913 × 10^6
Prime Factorization
27 × 3 × 7881073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638366913
Product of the distinct prime numbers
The prime factorization of 638366913 is 27 × 3 × 7881073.
Since it has a total of 3 prime factors.
3 , 2 , 67 , 35 , 998 , 138 , 5574 , 4451 , 77984 , 28445 , 711836 , 750605 , 6442225 , 4695550 , 41059752 , 14386183 , 208021205 , 4116916 , 890023253 , 6664355220
n×2
1276733826
n×3
1915100739
n×4
2553467652
n×5
3191834565
n÷2
319183456.5
n÷3
212788971
n÷3
159591728.25
n÷5
127673382.6
n2
407512315613149569
n3
2.6014237892745E+26
n4
1.6606628737639E+35
n5
1.0601122322584E+44
2 √n
25265.923949066
3 √n
861.04025598181
4 √n
158.95258396474
5 √n
57.678515449716
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
-638366912
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 638366913 can be divided by 8 positive divisors.
The sum of these divisors (counting 638366913) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011001011010011000001
3
Ternary
1122111012101210000
4
Quaternary
212003023103001
5
Quinary
2301410220123
6
Senary
143202230213
8
Octal
4603132301
10
Decimal
638366913
12
Duodecimal
159955369
16
Hexadecimal
260cb4c1
20
Vigesimal
9j9fh5d
36
Base36
ak2f29
md5
68f6ead6a3cd015a96e3f1431742b717
sha1
e54fb815bf1275b2301179cb22f32fff74548120
sha256
3bea76766559f0220b9197763ac7f1da1048338d8ad4dc3b5021344839aa9e89
sha512
1adef4fab3984371f87aa85b0d1efdd57a8bce071058efc805eb7bad9b5d3bbda56921dbfe12872e56523ba70bdc4267c54267d2be69be2e2a8d4054ada95448
ripemd-160
b621c718f54ad6aa707b180919a16c88d160bd7b
Diameter
1276733826
Circumference
4010977608.3512
Area
1.2802376969776E+18
Volume
1.0896818487011E+27
Surface area
5.1209507879105E+18
Circumference
4010977608.3512
Perimeter
2553467652
Area
407512315613149569
Diagonal
902787146.13485
Surface area
2445073893678897414
Volume
2.6014237892745E+26
Space diagonal
1105683927.1869
Perimeter
1915100739
Area
1.76458008838E+17
Altitude
552841963.59345
Surface area
1.76458008838E+17
Volume
3.0658073368933E+25
Height
300929048.71162