639291268 is an even 9-digits composite number following 639291267
and preceding 639291269 . In scientific notation, it is written as 6.39291268 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 249074400 positive integers (up to 639291268) that are relatively prime to 639291268.
639291268 has 24 divisors, whose sum is 1394817984
The reverse of 639291268 is 862192936
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred thirty-nine million two hundred ninety-one thousand two hundred sixty-eight
Scientific notation
6.39291268 × 10^8
Engineering notation
6.39291268 × 10^6
Prime Factorization
2 × 2 × 7 × 11 × 2075621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319645634
Product of the distinct prime numbers
The prime factorization of 639291268 is 2 × 2 × 7 × 11 × 2075621.
Since it has a total of 5 prime factors.
3 , 6 , 7 , 16 , 551 , 745 , 6727 , 746 , 4234 , 86832 , 735495 , 909643 , 4243728 , 433702 , 59938893 , 55741182 , 872046212 , 492201099 , 4188891118 , 1112530458
n×2
1278582536
n×3
1917873804
n×4
2557165072
n×5
3196456340
n÷2
319645634
n÷3
213097089.33333
n÷3
159822817
n÷5
127858253.6
n2
408693325341047824
n3
2.6127407418041E+26
n4
1.6703023417832E+35
n5
1.067809702022E+44
2 √n
25284.209855165
3 √n
861.45565084891
4 √n
159.01009356379
5 √n
57.695209476171
1 , 2 , 4 , 7 , 11 , 14 , 22 , 28 , 44 , 77 , 154 , 308 , 2075621 , 4151242 , 8302484 , 14529347 , 22831831 , 29058694 , 45663662 , 58117388 , 91327324 , 159822817 , 319645634 , 639291268
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
-639291267
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 639291268 can be divided by 24 positive divisors.
The sum of these divisors (counting 639291268) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000110101100111110000100
3
Ternary
1122112221100202101
4
Quaternary
212012230332010
5
Quinary
2302124310033
6
Senary
143234121444
8
Octal
4606547604
10
Decimal
639291268
12
Duodecimal
15a120284
16
Hexadecimal
261acf84
20
Vigesimal
9jfb838
36
Base36
akm8as
md5
7a6aa4b0f363bba686f16795c9bd56b9
sha1
f279cedf03bc9a590650c8b338b64cfc251f5397
sha256
ea08537cc8500c3542a4924d289a0be87f177a043fbb4820b0cb442cf2d4cc7c
sha512
075b497eaed47e9d235581489ff20d7492b6c5d0d1e0f859a102423c3701266e46b9d5eb2069312a7b42850c3b3e600b540ee6a0accca505328bfcd5c031fc1d
ripemd-160
5150c3f07e4248c11e26762d90c3402754f6428e
Diameter
1278582536
Circumference
4016785502.1058
Area
1.2839479484626E+18
Volume
1.0944222826916E+27
Surface area
5.1357917938505E+18
Circumference
4016785502.1058
Perimeter
2557165072
Area
408693325341047824
Diagonal
904094381.51229
Surface area
2452159952046286944
Volume
2.6127407418041E+26
Space diagonal
1107284957.0111
Perimeter
1917873804
Area
1.7696940105124E+17
Altitude
553642478.50557
Surface area
1.7696940105124E+17
Volume
3.0791444933535E+25
Height
301364793.83743