642648138 is an even 9-digits composite number following 642648137
and preceding 642648139 . In scientific notation, it is written as 6.42648138 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 194741840 positive integers (up to 642648138) that are relatively prime to 642648138.
642648138 has 16 divisors, whose sum is 1402141536
The reverse of 642648138 is 831846246
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-two million six hundred forty-eight thousand one hundred thirty-eight
Scientific notation
6.42648138 × 10^8
Engineering notation
6.42648138 × 10^6
Prime Factorization
2 × 3 × 11 × 9737093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642648138
Product of the distinct prime numbers
The prime factorization of 642648138 is 2 × 3 × 11 × 9737093.
Since it has a total of 4 prime factors.
7 , 9 , 54 , 30 , 74 , 236 , 9692 , 8352 , 46124 , 68466 , 1171 , 970138 , 5651334 , 3784565 , 27024350 , 15513951 , 316974409 , 141660442 , 4667711807 , 2980746874
n×2
1285296276
n×3
1927944414
n×4
2570592552
n×5
3213240690
n÷2
321324069
n÷3
214216046
n÷3
160662034.5
n÷5
128529627.6
n2
412996629274867044
n3
2.6541151480377E+26
n4
1.705662157924E+35
n5
1.0961406098469E+44
2 √n
25350.50567543
3 √n
862.96083216327
4 √n
159.21842128168
5 √n
57.755673247432
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 9737093 , 19474186 , 29211279 , 58422558 , 107108023 , 214216046 , 321324069 , 642648138
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
-642648137
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 642648138 can be divided by 16 positive divisors.
The sum of these divisors (counting 642648138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011100000100001001010
3
Ternary
1122210020220111220
4
Quaternary
212103200201022
5
Quinary
2304004220023
6
Senary
143434102510
8
Octal
4623404112
10
Decimal
642648138
12
Duodecimal
15b27aa36
16
Hexadecimal
264e084a
20
Vigesimal
a0gb06i
36
Base36
amm6h6
md5
21dbb0fcb8056e7358db1bcea24be36e
sha1
837f3a4b623e642129775c561cbd1b08bd954cb0
sha256
a2ccfc1a3c98fee217fa193bca06b930bb4aa80f8055e747ac914512987a49fd
sha512
b122d4ae9e2675ea03eb40b45504cbab388b8b70ae4f3fab26f592b287ea75b4ecdad993b98338ec806a3ca5256bf1fb67fbb03296f25a89a90efcdb6adbba84
ripemd-160
e5e779e6f2e428d6fa29e2082cbf3dc1c284727d
Diameter
1285296276
Circumference
4037877338.3679
Area
1.2974671764873E+18
Volume
1.1117531534475E+27
Surface area
5.1898687059491E+18
Circumference
4037877338.3679
Perimeter
2570592552
Area
412996629274867044
Diagonal
908841712.59342
Surface area
2477979775649202264
Volume
2.6541151480377E+26
Space diagonal
1113099226.4055
Perimeter
1927944414
Area
1.7883278631469E+17
Altitude
556549613.20277
Surface area
1.7883278631469E+17
Volume
3.1279046987123E+25
Height
302947237.53114