638560868 is an even 9-digits composite number following 638560867
and preceding 638560869 . In scientific notation, it is written as 6.38560868 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 261296640 positive integers (up to 638560868) that are relatively prime to 638560868.
638560868 has 24 divisors, whose sum is 1172334912
The reverse of 638560868 is 868065836
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million five hundred sixty thousand eight hundred sixty-eight
Scientific notation
6.38560868 × 10^8
Engineering notation
6.38560868 × 10^6
Prime Factorization
2 × 2 × 187 × 23 × 37117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319280434
Product of the distinct prime numbers
The prime factorization of 638560868 is 2 × 2 × 187 × 23 × 37117.
Since it has a total of 5 prime factors.
10 , 9 , 30 , 73 , 866 , 328 , 9996 , 9252 , 44333 , 13591 , 173914 , 794455 , 8216299 , 7661068 , 10233274 , 65650911 , 14019560 , 249015215 , 5903128919 , 6525742466
n×2
1277121736
n×3
1915682604
n×4
2554243472
n×5
3192804340
n÷2
319280434
n÷3
212853622.66667
n÷3
159640217
n÷5
127712173.6
n2
407759982140913424
n3
2.6037956813157E+26
n4
1.6626820303556E+35
n5
1.0617236805119E+44
2 √n
25269.761930022
3 √n
861.12745043001
4 √n
158.96465622906
5 √n
57.682019916161
1 , 2 , 4 , 23 , 46 , 92 , 187 , 374 , 748 , 4301 , 8602 , 17204 , 37117 , 74234 , 148468 , 853691 , 1707382 , 3414764 , 6940879 , 13881758 , 27763516 , 159640217 , 319280434 , 638560868
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
-638560867
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 638560868 can be divided by 24 positive divisors.
The sum of these divisors (counting 638560868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000011111010101001100100
3
Ternary
1122111120020211112
4
Quaternary
212003322221210
5
Quinary
2301432421433
6
Senary
143210324152
8
Octal
4603725144
10
Decimal
638560868
12
Duodecimal
159a29658
16
Hexadecimal
260faa64
20
Vigesimal
9jb0238
36
Base36
ak6kpw
md5
01475c72af94cbe03c6f08b1f25315ed
sha1
b2772b1b2aa18bd36afb1cdef18c33786a4261b7
sha256
a795d34f214f6b1df3509ba01001377fbeecee2abadea4082406f71bda540a80
sha512
897168cb5531beb609a660761eeab2b3c887835694059690a82008e837b53b3c405df7886113a6f7e77cf324e13543c1a4ed8e8dd33c8a9c3429e6732a5cb9cd
ripemd-160
ce39a480dbb03da85285726d29049dc1b4f2be5d
Diameter
1277121736
Circumference
4012196263.5574
Area
1.2810157643218E+18
Volume
1.090675384516E+27
Surface area
5.1240630572872E+18
Circumference
4012196263.5574
Perimeter
2554243472
Area
407759982140913424
Diagonal
903061439.92634
Surface area
2446559892845480544
Volume
2.6037956813157E+26
Space diagonal
1106019867.1013
Perimeter
1915682604
Area
1.7656525159036E+17
Altitude
553009933.55064
Surface area
1.7656525159036E+17
Volume
3.0686026384709E+25
Height
301020479.97545