639634531 is an odd 9-digits composite number following 639634530
and preceding 639634532 . In scientific notation, it is written as 6.39634531 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 611823828 positive integers (up to 639634531) that are relatively prime to 639634531.
639634531 has 6 divisors, whose sum is 668654420
The reverse of 639634531 is 135436936
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-nine million six hundred thirty-four thousand five hundred thirty-one
Scientific notation
6.39634531 × 10^8
Engineering notation
6.39634531 × 10^6
Prime Factorization
23 × 23 × 1209139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27810197
Product of the distinct prime numbers
The prime factorization of 639634531 is 23 × 23 × 1209139.
Since it has a total of 3 prime factors.
6 , 5 , 88 , 87 , 233 , 562 , 1351 , 3196 , 23611 , 89996 , 544241 , 164373 , 2046368 , 7979534 , 13552137 , 59600565 , 758536752 , 869737370 , 8776833609 , 3236035261
n×2
1279269062
n×3
1918903593
n×4
2558538124
n×5
3198172655
n÷2
319817265.5
n÷3
213211510.33333
n÷3
159908632.75
n÷5
127926906.2
n2
409132333247589961
n3
2.6169516809376E+26
n4
1.6738926610862E+35
n5
1.0706795472182E+44
2 √n
25290.997034518
3 √n
861.60980746782
4 √n
159.03143410822
5 √n
57.701403954171
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-639634530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 639634531 can be divided by 6 positive divisors.
The sum of these divisors (counting 639634531) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110001000000000110001100011
3
Ternary
1122120120210121211
4
Quaternary
212020000301203
5
Quinary
2302221301111
6
Senary
143245330551
8
Octal
4610006143
10
Decimal
639634531
12
Duodecimal
15a266a57
16
Hexadecimal
26200c63
20
Vigesimal
9jhe66b
36
Base36
aktl5v
md5
8d67c8332293727684a039c2b68ca9df
sha1
43c40264861bf40248ea16aa0abd70c2cd1af6d2
sha256
2bd76f668f37afcfbb06fd1f7f75a537ac01253a91386f48e57ddf6efaf25676
sha512
ec53ff7423ee758bfe2ffde77eb2e113ec621753b19caf1496359b441c26ca69532cf759bcdd9e2ce498a80b86d54bd05e19d38fc360f9954d6c929e6fabe8b4
ripemd-160
5d52b61b3175c40dc20f70c541b56536ccbf014c
Diameter
1279269062
Circumference
4018942287.1439
Area
1.2853271324767E+18
Volume
1.0961861567511E+27
Surface area
5.1413085299067E+18
Circumference
4018942287.1439
Perimeter
2558538124
Area
409132333247589961
Diagonal
904579828.70235
Surface area
2454793999485539766
Volume
2.6169516809376E+26
Space diagonal
1107879505.9675
Perimeter
1918903593
Area
1.7715949705101E+17
Altitude
553939752.98374
Surface area
1.7715949705101E+17
Volume
3.0841071327142E+25
Height
301526609.56745