639968980 is an even 9-digits composite number following 639968979
and preceding 639968981 . In scientific notation, it is written as 6.39968980 × 10^8.
The sum of its digits is 58. It has a total of 5 prime factors and 24 positive divisors.
There are 219417888 positive integers (up to 639968980) that are relatively prime to 639968980.
639968980 has 24 divisors, whose sum is 1535925888
The reverse of 639968980 is 089869936
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
six hundred thirty-nine million nine hundred sixty-eight thousand nine hundred eighty
Scientific notation
6.39968980 × 10^8
Engineering notation
6.39968980 × 10^6
Prime Factorization
2 × 2 × 7 × 5 × 4571207
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319984490
Product of the distinct prime numbers
The prime factorization of 639968980 is 2 × 2 × 7 × 5 × 4571207.
Since it has a total of 5 prime factors.
10 , 7 , 56 , 36 , 191 , 129 , 6105 , 3883 , 85745 , 70248 , 696867 , 965474 , 2881882 , 966275 , 46551360 , 36379555 , 681231134 , 688845561 , 2399641022 , 9309315117
n×2
1279937960
n×3
1919906940
n×4
2559875920
n×5
3199844900
n÷2
319984490
n÷3
213322993.33333
n÷3
159992245
n÷5
127993796
n2
409560295362240400
n3
2.6210588447147E+26
n4
1.6773963553721E+35
n5
1.0734816346032E+44
2 √n
25297.608187337
3 √n
861.75995275362
4 √n
159.05221842947
5 √n
57.707436818554
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 4571207 , 9142414 , 18284828 , 22856035 , 31998449 , 45712070 , 63996898 , 91424140 , 127993796 , 159992245 , 319984490 , 639968980
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
-639968979
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 639968980 can be divided by 24 positive divisors.
The sum of these divisors (counting 639968980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001001010010011011010100
3
Ternary
1122121012210101211
4
Quaternary
212021102123110
5
Quinary
2302313001410
6
Senary
143300431204
8
Octal
4611223324
10
Decimal
639968980
12
Duodecimal
15a3a8504
16
Hexadecimal
262526d4
20
Vigesimal
9jjg290
36
Base36
al0r84
md5
4ebd4586ddbfb0e960cd433bd3337bee
sha1
fda1f1c0e12a92c2951c7d10be5a3265b0f6f79c
sha256
608843be10ae9bd03b7b9417428eb0f9c2d0527ada2aeb3692d0f511c38b4668
sha512
2c5b6500ebda1d45f488807214e22d3a2619c967ed094b8bce2f5409b201d31ba81dbd49ef89adbd460f9f552aeb36906d1719595b067d8e0b0379e7b1377030
ripemd-160
44c8c470c9b41d264f93a602c34b98d7824b0f8c
Diameter
1279937960
Circumference
4021043692.1867
Area
1.2866716151121E+18
Volume
1.097906561491E+27
Surface area
5.1466864604483E+18
Circumference
4021043692.1867
Perimeter
2559875920
Area
409560295362240400
Diagonal
905052811.01408
Surface area
2457361772173442400
Volume
2.6210588447147E+26
Space diagonal
1108458788.628
Perimeter
1919906940
Area
1.7734481008258E+17
Altitude
554229394.31402
Surface area
1.7734481008258E+17
Volume
3.0889474716446E+25
Height
301684270.33803