642968265 is an odd 9-digits composite number following 642968264
and preceding 642968266 . In scientific notation, it is written as 6.42968265 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 324868032 positive integers (up to 642968265) that are relatively prime to 642968265.
642968265 has 16 divisors, whose sum is 1082894400
The reverse of 642968265 is 562869246
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred forty-two million nine hundred sixty-eight thousand two hundred sixty-five
Scientific notation
6.42968265 × 10^8
Engineering notation
6.42968265 × 10^6
Prime Factorization
3 × 5 × 19 × 2256029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642968265
Product of the distinct prime numbers
The prime factorization of 642968265 is 3 × 5 × 19 × 2256029.
Since it has a total of 4 prime factors.
10 , 1 , 23 , 15 , 986 , 373 , 2517 , 8903 , 53013 , 67785 , 186723 , 237274 , 5243236 , 1403625 , 1876835 , 59553839 , 636234570 , 273387271 , 1650807894 , 5646707004
n×2
1285936530
n×3
1928904795
n×4
2571873060
n×5
3214841325
n÷2
321484132.5
n÷3
214322755
n÷3
160742066.25
n÷5
128593653
n2
413408189797110225
n3
2.6580834653064E+26
n4
1.7090633139132E+35
n5
1.0988734737219E+44
2 √n
25356.818905375
3 √n
863.10409936625
4 √n
159.23824573693
5 √n
57.761426152129
1 , 3 , 5 , 15 , 19 , 57 , 95 , 285 , 2256029 , 6768087 , 11280145 , 33840435 , 42864551 , 128593653 , 214322755 , 642968265
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
-642968264
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 642968265 can be divided by 16 positive divisors.
The sum of these divisors (counting 642968265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100101110101011001001
3
Ternary
1122210212011122110
4
Quaternary
212110232223021
5
Quinary
2304044441030
6
Senary
143445012533
8
Octal
4624565311
10
Decimal
642968265
12
Duodecimal
15b3b4149
16
Hexadecimal
2652eac9
20
Vigesimal
a0ib0d5
36
Base36
amt1hl
md5
5978f5d62e6fb1e55226eec2357cd60a
sha1
d817c8885fa1f4ed4d40a971f4768be67f355f43
sha256
e80156d5cbd6e499026efcab378b1dd655d0e71c59308496223fac0a567c05ff
sha512
a009630f41e06cecca610957d74f2cffb8ef593951e337a55d7120c11fe54b3f1c5f0dd6a6ab0fb82a01e8456f2284aeb06fe8744bab73d6463b100bbe43b37a
ripemd-160
9c928cb4efb7e7b2b44352617a7eaf5033bda8d6
Diameter
1285936530
Circumference
4039888755.6308
Area
1.2987601320005E+18
Volume
1.113415398298E+27
Surface area
5.1950405280018E+18
Circumference
4039888755.6308
Perimeter
2571873060
Area
413408189797110225
Diagonal
909294440.5385
Surface area
2480449138782661350
Volume
2.6580834653064E+26
Space diagonal
1113653702.6344
Perimeter
1928904795
Area
1.7901099724842E+17
Altitude
556826851.3172
Surface area
1.7901099724842E+17
Volume
3.1325814054633E+25
Height
303098146.84617