638992007 is an odd 9-digits composite number following 638992006
and preceding 638992008 . In scientific notation, it is written as 6.38992007 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 627668344 positive integers (up to 638992007) that are relatively prime to 638992007.
638992007 has 8 divisors, whose sum is 650332800
The reverse of 638992007 is 700299836
Previous prime number is 1559
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-eight million nine hundred ninety-two thousand seven
Scientific notation
6.38992007 × 10^8
Engineering notation
6.38992007 × 10^6
Prime Factorization
59 × 1559 × 6947
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638992007
Product of the distinct prime numbers
The prime factorization of 638992007 is 59 × 1559 × 6947.
Since it has a total of 3 prime factors.
2 , 6 , 12 , 2 , 11 , 747 , 1081 , 6343 , 63788 , 82723 , 910804 , 595669 , 6550365 , 2373644 , 26618715 , 77121790 , 682100404 , 728434909 , 5096499579 , 361782505
n×2
1277984014
n×3
1916976021
n×4
2555968028
n×5
3194960035
n÷2
319496003.5
n÷3
212997335.66667
n÷3
159748001.75
n÷5
127798401.4
n2
408310785009888049
n3
2.6090732799321E+26
n4
1.6671769715539E+35
n5
1.0653127590774E+44
2 √n
25278.291219938
3 √n
861.32121013855
4 √n
158.99148159552
5 √n
57.689806880884
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
-638992006
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 638992007 can be divided by 8 positive divisors.
The sum of these divisors (counting 638992007) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101100011111010000111
3
Ternary
1122112101011020122
4
Quaternary
212011203322013
5
Quinary
2302040221012
6
Senary
143223452155
8
Octal
4605437207
10
Decimal
638992007
12
Duodecimal
159bb705b
16
Hexadecimal
26163e87
20
Vigesimal
9jde007
36
Base36
akftdz
md5
7bc67f5579700a3d21862e77a93dae9b
sha1
14bfd99280a90e0e6700add1cb9099b34f4d2e3a
sha256
311fc2c42f4f4ac7951d7ac9aadb054f613e7e2acff93b4481a41aaf2a51099c
sha512
bc7bdd6a896e1307e765eb429e91a0b9d2cc3f41dc53097167db073ddfc9bcf5eebbb71b6a93ed4da402ad30919bd69201f87005c6350fcd297a23a8f9ef554a
ripemd-160
1c76a9b376ceba7c74de23fcd513eb10f24b82d2
Diameter
1277984014
Circumference
4014905189.7876
Area
1.2827461625685E+18
Volume
1.092886059855E+27
Surface area
5.1309846502742E+18
Circumference
4014905189.7876
Perimeter
2555968028
Area
408310785009888049
Diagonal
903671162.5474
Surface area
2449864710059328294
Volume
2.6090732799321E+26
Space diagonal
1106766621.7544
Perimeter
1916976021
Area
1.7680375622886E+17
Altitude
553383310.8772
Surface area
1.7680375622886E+17
Volume
3.0748223480877E+25
Height
301223720.84913