638021239 is an odd 9-digits prime number following 638021238
and preceding 638021240 . In scientific notation, it is written as 6.38021239 × 10^8.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 638021238 positive integers (up to 638021239) that are relatively prime to 638021239.
638021239 has 2 divisors, whose sum is 638021240
The reverse of 638021239 is 932120836
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred thirty-eight million twenty-one thousand two hundred thirty-nine
Scientific notation
6.38021239 × 10^8
Engineering notation
6.38021239 × 10^6
Prime Factorization
638021239
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
638021239
Product of the distinct prime numbers
The prime factorization of 638021239 is 638021239.
Since it has a total of 1 prime factors.
1 , 2 , 93 , 16 , 936 , 146 , 3683 , 7901 , 76781 , 5176 , 531382 , 967420 , 5671605 , 1937222 , 433855 , 11809472 , 814073460 , 859723104 , 5119970935 , 5269102352
n×2
1276042478
n×3
1914063717
n×4
2552084956
n×5
3190106195
n÷2
319010619.5
n÷3
212673746.33333
n÷3
159505309.75
n÷5
127604247.8
n2
407071101415095121
n3
2.5972000848595E+26
n4
1.657068816073E+35
n5
1.0572450991391E+44
2 √n
25259.082307162
3 √n
860.88481091139
4 √n
158.93106149259
5 √n
57.672267543477
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
638021240
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
319010620
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25259.082326957
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999968653
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638021239 can be divided by 2 positive divisors.
The sum of these divisors (counting 638021239) is 638021240, the average is 319010620.
Base
System
Value
2
Binary
100110000001110110111001110111
3
Ternary
1122110112211121021
4
Quaternary
212001312321313
5
Quinary
2301313134424
6
Senary
143151002011
8
Octal
4601667167
10
Decimal
638021239
12
Duodecimal
159809307
16
Hexadecimal
26076e77
20
Vigesimal
9j7cd1j
36
Base36
ajv0c7
md5
88028cd7793843a2a344414146740895
sha1
5dc88fd305f97eac57b9b1f1153591aae655406e
sha256
63701ced201b0e03ec1d9ae392cc8770b94c3723aa1011ad36c9ca6b06f0d918
sha512
a8884f6de0aacd3b5343556ce6efaad4ea1c60bd6f30cc30a3101b57e7e2fb5421a8cd390de7ddc38de26e0895fd30837b85e55fc8959ab8d011519848654cb8
ripemd-160
8649f38530d50d4b0bdd3038892eda8f0fe34ae5
Diameter
1276042478
Circumference
4008805674.5533
Area
1.2788515816944E+18
Volume
1.087912627533E+27
Surface area
5.1154063267775E+18
Circumference
4008805674.5533
Perimeter
2552084956
Area
407071101415095121
Diagonal
902298289.27589
Surface area
2442426608490570726
Volume
2.5972000848595E+26
Space diagonal
1105085202.256
Perimeter
1914063717
Area
1.7626695748599E+17
Altitude
552542601.12802
Surface area
1.7626695748599E+17
Volume
3.0608296535041E+25
Height
300766096.4253