638996964 is an even 9-digits composite number following 638996963
and preceding 638996965 . In scientific notation, it is written as 6.38996964 × 10^8.
The sum of its digits is 60. It has a total of 5 prime factors and 24 positive divisors.
There are 212623680 positive integers (up to 638996964) that are relatively prime to 638996964.
638996964 has 24 divisors, whose sum is 1493620128
The reverse of 638996964 is 469699836
Previous prime number is 571
Is Prime? no
Number parity even
Number length 9
Sum of Digits 60
Digital Root 6
Name
six hundred thirty-eight million nine hundred ninety-six thousand nine hundred sixty-four
Scientific notation
6.38996964 × 10^8
Engineering notation
6.38996964 × 10^6
Prime Factorization
2 × 2 × 3 × 571 × 93257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319498482
Product of the distinct prime numbers
The prime factorization of 638996964 is 2 × 2 × 3 × 571 × 93257.
Since it has a total of 5 prime factors.
7 , 7 , 20 , 21 , 950 , 268 , 8122 , 6638 , 30871 , 47016 , 708821 , 604313 , 3200888 , 7133069 , 9077956 , 77048928 , 599681428 , 320132878 , 3888785503 , 7722206941
n×2
1277993928
n×3
1916990892
n×4
2555987856
n×5
3194984820
n÷2
319498482
n÷3
212998988
n÷3
159749241
n÷5
127799392.8
n2
408317120001217296
n3
2.6091340003E+26
n4
1.6672287048609E+35
n5
1.0653540806998E+44
2 √n
25278.389268306
3 √n
861.32343737466
4 √n
158.99178993994
5 √n
57.689896386693
1 , 2 , 3 , 4 , 6 , 12 , 571 , 1142 , 1713 , 2284 , 3426 , 6852 , 93257 , 186514 , 279771 , 373028 , 559542 , 1119084 , 53249747 , 106499494 , 159749241 , 212998988 , 319498482 , 638996964
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
-638996963
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 638996964 can be divided by 24 positive divisors.
The sum of these divisors (counting 638996964) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101100101000111100100
3
Ternary
1122112101102001020
4
Quaternary
212011211013210
5
Quinary
2302040400324
6
Senary
143223531140
8
Octal
4605450744
10
Decimal
638996964
12
Duodecimal
159bb9ab0
16
Hexadecimal
261651e4
20
Vigesimal
9jdec84
36
Base36
akfx7o
md5
e0cf0c0069ed47f39d143942156a6a0a
sha1
8d057f98bef9f807cbbb93ae41c65a005fa66219
sha256
1e049749328d06b67a88843533b7f5b016fae8cd564684131fb9ed6e21c45ad2
sha512
99975ade2eecf190fd04ecfd7bcc46c080b9992c35b8c8656ceaac0943ef223b46c2ef51c02f921ca3207d4935a2db837791590eb677ccedc3e687861cb79a1b
ripemd-160
21ea65a398153ad4da7baa5ce840f79098cd1005
Diameter
1277993928
Circumference
4014936335.5372
Area
1.2827660645308E+18
Volume
1.0929114943432E+27
Surface area
5.1310642581231E+18
Circumference
4014936335.5372
Perimeter
2555987856
Area
408317120001217296
Diagonal
903678172.80403
Surface area
2449902720007303776
Volume
2.6091340003E+26
Space diagonal
1106775207.5303
Perimeter
1916990892
Area
1.7680649936058E+17
Altitude
553387603.76513
Surface area
1.7680649936058E+17
Volume
3.0748939077275E+25
Height
301226057.60134