638996788 is an even 9-digits composite number following 638996787
and preceding 638996789 . In scientific notation, it is written as 6.38996788 × 10^8.
The sum of its digits is 64. It has a total of 5 prime factors and 24 positive divisors.
There are 307721568 positive integers (up to 638996788) that are relatively prime to 638996788.
638996788 has 24 divisors, whose sum is 1159653600
The reverse of 638996788 is 887699836
Previous prime number is 419
Is Prime? no
Number parity even
Number length 9
Sum of Digits 64
Digital Root 1
Name
six hundred thirty-eight million nine hundred ninety-six thousand seven hundred eighty-eight
Scientific notation
6.38996788 × 10^8
Engineering notation
6.38996788 × 10^6
Prime Factorization
2 × 2 × 29 × 419 × 13147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319498394
Product of the distinct prime numbers
The prime factorization of 638996788 is 2 × 2 × 29 × 419 × 13147.
Since it has a total of 5 prime factors.
10 , 1 , 96 , 75 , 730 , 887 , 6768 , 9507 , 51840 , 45321 , 493316 , 498134 , 7557198 , 3953314 , 22066058 , 22206073 , 976637288 , 324319675 , 7490765149 , 7193751834
n×2
1277993576
n×3
1916990364
n×4
2555987152
n×5
3194983940
n÷2
319498394
n÷3
212998929.33333
n÷3
159749197
n÷5
127799357.6
n2
408316895074316944
n3
2.6091318443862E+26
n4
1.6672268680313E+35
n5
1.0653526135393E+44
2 √n
25278.385787071
3 √n
861.32335829606
4 √n
158.99177899209
5 √n
57.689893208768
1 , 2 , 4 , 29 , 58 , 116 , 419 , 838 , 1676 , 12151 , 13147 , 24302 , 26294 , 48604 , 52588 , 381263 , 762526 , 1525052 , 5508593 , 11017186 , 22034372 , 159749197 , 319498394 , 638996788
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
-638996787
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 638996788 can be divided by 24 positive divisors.
The sum of these divisors (counting 638996788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101100101000100110100
3
Ternary
1122112101101210201
4
Quaternary
212011211010310
5
Quinary
2302040344123
6
Senary
143223530244
8
Octal
4605450464
10
Decimal
638996788
12
Duodecimal
159bb9984
16
Hexadecimal
26165134
20
Vigesimal
9jdebj8
36
Base36
akfx2s
md5
a67f2b2dba5e49fbfbe923e0aef8e15a
sha1
b2b05c7e7b46c28f79c164c4d58d3b51e71545a0
sha256
5104cf0362c4049513d3234332e0cb814e366b1814a2d8e7def16cc3be25e6bf
sha512
828f87e135568f63e0fd49f714cbb315cf77a8022223d766ce8b693b4a6b0e5e5c7559d2ebce6411c2d4f75e8f934f3cc0b68b0b7fc8c37cdcc62db3ab3df8dd
ripemd-160
81c9368f67b1701ac37d509fa533916cdc591037
Diameter
1277993576
Circumference
4014935229.6965
Area
1.2827653579021E+18
Volume
1.0929105912761E+27
Surface area
5.1310614316083E+18
Circumference
4014935229.6965
Perimeter
2555987152
Area
408316895074316944
Diagonal
903677923.90245
Surface area
2449901370445901664
Volume
2.6091318443862E+26
Space diagonal
1106774902.6893
Perimeter
1916990364
Area
1.7680640196437E+17
Altitude
553387451.34466
Surface area
1.7680640196437E+17
Volume
3.0748913669588E+25
Height
301225974.63415