639821641 is an odd 9-digits composite number following 639821640
and preceding 639821642 . In scientific notation, it is written as 6.39821641 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 639676800 positive integers (up to 639821641) that are relatively prime to 639821641.
639821641 has 4 divisors, whose sum is 639966484
The reverse of 639821641 is 146128936
Previous prime number is 4561
Is Prime? no Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
six hundred thirty-nine million eight hundred twenty-one thousand six hundred forty-one
Scientific notation
6.39821641 × 10^8
Engineering notation
6.39821641 × 10^6
Prime Factorization
4561 × 140281
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
639821641 Product of the distinct prime numbers
The prime factorization of 639821641 is 4561 × 140281.
Since it has a total of 2 prime factors.
1 , 9 , 8 , 45 , 1000 , 31 , 1030 , 4027 , 46331 , 66597 , 720866 , 832347 , 2288984 , 1412426 , 60144867 , 46729062 , 710073217 , 994547444 , 8525622856 , 4216309747
n×2
1279643282
n×3
1919464923
n×4
2559286564
n×5
3199108205
n÷2
319910820.5
n÷3
213273880.33333
n÷3
159955410.25
n÷5
127964328.2
n2
409371732291932881
n3
2.6192489353404E+26
n4
1.675852151997E+35
n5
1.0722464739641E+44
2 √n25294.695906454
3 √n861.69381382137
4 √n159.04306305669
5 √n57.704779396267
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-639821640 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639821641 can be divided by 4 positive divisors.
The sum of these divisors (counting 639821641) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110001000101110011101001001
3
Ternary
1122120221022021211
4
Quaternary
212020232131021
5
Quinary
2302243243031
6
Senary
143253333121
8
Octal
4610563511
10
Decimal
639821641
12
Duodecimal
15a3371a1
16
Hexadecimal
2622e749
20
Vigesimal
9jihe21
36
Base36
akxljd
md5
9048121dc9971eef176cd4b4e75d897f
sha1
9bbc278f7608199a160d30a479807e7aec882844
sha256
cd9739fbd341be7ce1004bd9d5917aafd6905792752241e669f7ec1f51d32ad3
sha512
28b653858fcfbe8a92c9fd6c8684798ac9825f8f4c9fd206bb6657523d81ad3686843002512120d16f60a8d7883584ec44c53e18fde595042bbe341d605de6fe
ripemd-160
eb46c80f018576cb277f6b77caaba79c2c585829
Diameter
1279643282
Circumference
4020117933.9467
Area
1.2860792267557E+18
Volume
1.0971484284251E+27
Surface area
5.1443169070227E+18
Circumference
4020117933.9467
Perimeter
2559286564
Area
409371732291932881
Diagonal
904844442.20201
Surface area
2456230393751597286
Volume
2.6192489353404E+26
Space diagonal
1108203589.9941
Perimeter
1919464923
Area
1.7726315987803E+17
Altitude
554101794.99705
Surface area
1.7726315987803E+17
Volume
3.0868144729914E+25
Height
301614814.06734