638596989 is an odd 9-digits composite number following 638596988
and preceding 638596990 . In scientific notation, it is written as 6.38596989 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 425465352 positive integers (up to 638596989) that are relatively prime to 638596989.
638596989 has 12 divisors, whose sum is 922994176
The reverse of 638596989 is 989695836
Previous prime number is 1663
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
six hundred thirty-eight million five hundred ninety-six thousand nine hundred eighty-nine
Scientific notation
6.38596989 × 10^8
Engineering notation
6.38596989 × 10^6
Prime Factorization
3 × 3 × 1663 × 42667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
212865663
Product of the distinct prime numbers
The prime factorization of 638596989 is 3 × 3 × 1663 × 42667.
Since it has a total of 4 prime factors.
3 , 8 , 18 , 53 , 118 , 6 , 8050 , 1707 , 51329 , 15443 , 656724 , 758791 , 9538575 , 1633776 , 47296714 , 13645072 , 363830100 , 333107717 , 9022568213 , 3363538202
n×2
1277193978
n×3
1915790967
n×4
2554387956
n×5
3192984945
n÷2
319298494.5
n÷3
212865663
n÷3
159649247.25
n÷5
127719397.8
n2
407806114359866121
n3
2.60423756726E+26
n4
1.6630582690929E+35
n5
1.0620240031743E+44
2 √n
25270.476627875
3 √n
861.14368704358
4 √n
158.96690419039
5 √n
57.682672472621
1 , 3 , 9 , 1663 , 4989 , 14967 , 42667 , 128001 , 384003 , 70955221 , 212865663 , 638596989
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
-638596988
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 638596989 can be divided by 12 positive divisors.
The sum of these divisors (counting 638596989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000100000011011101111101
3
Ternary
1122111122002101100
4
Quaternary
212010003131331
5
Quinary
2301440100424
6
Senary
143211203313
8
Octal
4604033575
10
Decimal
638596989
12
Duodecimal
159a46539
16
Hexadecimal
2610377d
20
Vigesimal
9jb4c99
36
Base36
ak7cl9
md5
af973b6f2558dd1b44cdb6d906949e8a
sha1
d2ac06ac56d84ed25b5c002813fea76e201446e5
sha256
6f3afc7a6a69954930470eefa2e1ba68d50c6f2934739e083c04978edc7b8a15
sha512
0d1b80f3a36480eb4b837906d551a74152d978e9e40f40a6828a92ee317dee7f9f335d6b835316d84f3ab995399d3cad77cb8a5c55b5303d53d4a14e2b60ec12
ripemd-160
fd18aca3236efe8fd088bf68a2ccb97077e155f1
Diameter
1277193978
Circumference
4012423218.4939
Area
1.281160692962E+18
Volume
1.0908604812675E+27
Surface area
5.1246427718478E+18
Circumference
4012423218.4939
Perimeter
2554387956
Area
407806114359866121
Diagonal
903112522.73442
Surface area
2446836686159196726
Volume
2.60423756726E+26
Space diagonal
1106082430.5085
Perimeter
1915790967
Area
1.7658522742713E+17
Altitude
553041215.25425
Surface area
1.7658522742713E+17
Volume
3.0691234060505E+25
Height
301037507.57814