640426980 is an even 9-digits composite number following 640426979
and preceding 640426981 . In scientific notation, it is written as 6.40426980 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 169018368 positive integers (up to 640426980) that are relatively prime to 640426980.
640426980 has 24 divisors, whose sum is 1207799040
The reverse of 640426980 is 089624046
Previous prime number is 97
Is Prime? no Number parity even Number length 9 Sum of Digits 39 Digital Root 3
Name
six hundred forty million four hundred twenty-six thousand nine hundred eighty
Scientific notation
6.40426980 × 10^8
Engineering notation
6.40426980 × 10^6
Prime Factorization
2 × 2 × 15 × 97 × 110039
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
320213490 Product of the distinct prime numbers
The prime factorization of 640426980 is 2 × 2 × 15 × 97 × 110039.
Since it has a total of 5 prime factors.
1 , 3 , 45 , 30 , 886 , 421 , 1531 , 2846 , 4042 , 85421 , 382831 , 254834 , 6112771 , 3497163 , 76547728 , 74301453 , 570588503 , 442740250 , 8150648809 , 532743714
n×2
1280853960
n×3
1921280940
n×4
2561707920
n×5
3202134900
n÷2
320213490
n÷3
213475660
n÷3
160106745
n÷5
128085396
n2
410146716711920400
n3
2.6266902314073E+26
n4
1.6822032922957E+35
n5
1.077328374231E+44
2 √n25306.658807515
3 √n861.96547935177
4 √n159.08066761086
5 √n57.715694232329
1 , 2 , 4 , 15 , 30 , 60 , 97 , 194 , 388 , 1455 , 2910 , 5820 , 110039 , 220078 , 440156 , 1650585 , 3301170 , 6602340 , 10673783 , 21347566 , 42695132 , 160106745 , 320213490 , 640426980
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
-640426979 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 640426980 can be divided by 24 positive divisors.
The sum of these divisors (counting 640426980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110001011000010001111100100
3
Ternary
1122122002001122210
4
Quaternary
212023002033210
5
Quinary
2302422130410
6
Senary
143314323420
8
Octal
4613021744
10
Decimal
640426980
12
Duodecimal
15a589570
16
Hexadecimal
262c23e4
20
Vigesimal
a02d790
36
Base36
alakmc
md5
c149a5ff2012bed8b97657536992cb2e
sha1
400652920b53a8a32d3fb8e245b7a04d3113a86f
sha256
30473ea423fcd14d1d4e1c5932d6fbf8d0028384c992f50daaf15dc91ae2def7
sha512
f9ef51dfe866727fdafbc3e218e2ec7aefa8afa2e75601dd1353be4ac418c55c852e655fbb5c00d8e6166d78213e4cbaa6e77b404338273f49ef3b60b757df01
ripemd-160
1fc384f653b7a76ee9c58ed5f3c7cd79a3925f7c
Diameter
1280853960
Circumference
4023921391.0574
Area
1.2885139121161E+18
Volume
1.1002654312327E+27
Surface area
5.1540556484646E+18
Circumference
4023921391.0574
Perimeter
2561707920
Area
410146716711920400
Diagonal
905700520.82564
Surface area
2460880300271522400
Volume
2.6266902314073E+26
Space diagonal
1109252067.8979
Perimeter
1921280940
Area
1.7759873797565E+17
Altitude
554626033.94895
Surface area
1.7759873797565E+17
Volume
3.0955841245076E+25
Height
301900173.60855