639804940 is an even 9-digits composite number following 639804939
and preceding 639804941 . In scientific notation, it is written as 6.39804940 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 255744768 positive integers (up to 639804940) that are relatively prime to 639804940.
639804940 has 24 divisors, whose sum is 1344520800
The reverse of 639804940 is 049408936
Previous prime number is 1553
Is Prime? no Number parity even Number length 9 Sum of Digits 43 Digital Root 7
Name
six hundred thirty-nine million eight hundred four thousand nine hundred forty
Scientific notation
6.39804940 × 10^8
Engineering notation
6.39804940 × 10^6
Prime Factorization
2 × 2 × 5 × 1553 × 20599
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
319902470 Product of the distinct prime numbers
The prime factorization of 639804940 is 2 × 2 × 5 × 1553 × 20599.
Since it has a total of 5 prime factors.
9 , 3 , 17 , 80 , 698 , 591 , 3492 , 7850 , 29531 , 8983 , 265842 , 610729 , 8777880 , 9333172 , 49168800 , 63586812 , 521382752 , 53262863 , 2537841688 , 6286678257
n×2
1279609880
n×3
1919414820
n×4
2559219760
n×5
3199024700
n÷2
319902470
n÷3
213268313.33333
n÷3
159951235
n÷5
127960988
n2
409350361248403600
n3
2.6190438331751E+26
n4
1.675677182542E+35
n5
1.0721065392356E+44
2 √n25294.365775801
3 √n861.68631627691
4 √n159.04202518769
5 √n57.704478144317
1 , 2 , 4 , 5 , 10 , 20 , 1553 , 3106 , 6212 , 7765 , 15530 , 20599 , 31060 , 41198 , 82396 , 102995 , 205990 , 411980 , 31990247 , 63980494 , 127960988 , 159951235 , 319902470 , 639804940
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-639804939 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639804940 can be divided by 24 positive divisors.
The sum of these divisors (counting 639804940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001000101010011000001100
3
Ternary
1122120220110101021
4
Quaternary
212020222120030
5
Quinary
2302242224230
6
Senary
143253123524
8
Octal
4610523014
10
Decimal
639804940
12
Duodecimal
15a3295a4
16
Hexadecimal
2622a60c
20
Vigesimal
9jifc70
36
Base36
akx8ng
md5
ccf7b725feef3f855166586db9adfd1e
sha1
9e74ad4e4efc89a92983737ee02788b8759428af
sha256
b1a528a0ca99f2ba275ca01c9e3ce77240825bd27ab911835252997ede0efa18
sha512
c3a19289e52d811f8b3335eb9714974af4bdd8161af89bc943fd5c6b6e3e54da1a832e9fca5c953393dca53d7ecfd4fdb95587961e8c3f1c53508253711b7ea6
ripemd-160
049394ba533299b05fad117e965b632ecadd7606
Diameter
1279609880
Circumference
4020012998.4689
Area
1.2860120876423E+18
Volume
1.097062515431E+27
Surface area
5.1440483505693E+18
Circumference
4020012998.4689
Perimeter
2559219760
Area
409350361248403600
Diagonal
904820823.4213
Surface area
2456102167490421600
Volume
2.6190438331751E+26
Space diagonal
1108174663.0136
Perimeter
1919414820
Area
1.7725390594473E+17
Altitude
554087331.50678
Surface area
1.7725390594473E+17
Volume
3.0865727577716E+25
Height
301606941.14043