638672488 is an even 9-digits composite number following 638672487
and preceding 638672489 . In scientific notation, it is written as 6.38672488 × 10^8.
The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors.
There are 318445296 positive integers (up to 638672488) that are relatively prime to 638672488.
638672488 has 16 divisors, whose sum is 1200852000
The reverse of 638672488 is 884276836
Previous prime number is 359
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-eight million six hundred seventy-two thousand four hundred eighty-eight
Scientific notation
6.38672488 × 10^8
Engineering notation
6.38672488 × 10^6
Prime Factorization
2 × 2 × 2 × 359 × 222379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159668122
Product of the distinct prime numbers
The prime factorization of 638672488 is 2 × 2 × 2 × 359 × 222379.
Since it has a total of 5 prime factors.
6 , 6 , 32 , 87 , 108 , 841 , 3807 , 5324 , 43613 , 48107 , 977123 , 650217 , 6690979 , 5961272 , 21343290 , 64660407 , 337499949 , 793590184 , 6330269984 , 2833944486
n×2
1277344976
n×3
1916017464
n×4
2554689952
n×5
3193362440
n÷2
319336244
n÷3
212890829.33333
n÷3
159668122
n÷5
127734497.6
n2
407902546928110144
n3
2.6051613450811E+26
n4
1.6638448779044E+35
n5
1.0626519478173E+44
2 √n
25271.970402009
3 √n
861.17762233523
4 √n
158.97160250186
5 √n
57.684036330651
1 , 2 , 4 , 8 , 359 , 718 , 1436 , 2872 , 222379 , 444758 , 889516 , 1779032 , 79834061 , 159668122 , 319336244 , 638672488
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638672487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638672488 can be divided by 16 positive divisors.
The sum of these divisors (counting 638672488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000100010101111001101000
3
Ternary
1122111202220221121
4
Quaternary
212010111321220
5
Quinary
2302000004423
6
Senary
143212545024
8
Octal
4604257150
10
Decimal
638672488
12
Duodecimal
159a82174
16
Hexadecimal
26115e68
20
Vigesimal
9jbe148
36
Base36
ak8yug
md5
206b446760995f9666d5e27d73537c4a
sha1
3c99bb57644689e7259c311fab8e099c4be064cd
sha256
2cde11e22f4b13d0f142285923cb607c25fc21866e7cd303af704b13d8baf94a
sha512
115ef7a2a1063b3311af791fb2a6666a0e5321cd7d24082c5b0eaca9a7e5200c8affedb140f5c3a951dbf109e9a7dd63be5c64507c3e60f47f636892e415ec14
ripemd-160
4ae7cd828385a4f072df2617bc5b1d0c04771801
Diameter
1277344976
Circumference
4012897592.7014
Area
1.2814636448099E+18
Volume
1.0912474324164E+27
Surface area
5.1258545792397E+18
Circumference
4012897592.7014
Perimeter
2554689952
Area
407902546928110144
Diagonal
903219294.44417
Surface area
2447415281568660864
Volume
2.6051613450811E+26
Space diagonal
1106213198.6124
Perimeter
1916017464
Area
1.7662698395406E+17
Altitude
553106599.30621
Surface area
1.7662698395406E+17
Volume
3.0702120886532E+25
Height
301073098.14806