642775139 is an odd 9-digits composite number following 642775138
and preceding 642775140 . In scientific notation, it is written as 6.42775139 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 637718400 positive integers (up to 642775139) that are relatively prime to 642775139.
642775139 has 8 divisors, whose sum is 647842848
The reverse of 642775139 is 931577246
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-two million seven hundred seventy-five thousand one hundred thirty-nine
Scientific notation
6.42775139 × 10^8
Engineering notation
6.42775139 × 10^6
Prime Factorization
4357 × 151 × 977
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642775139
Product of the distinct prime numbers
The prime factorization of 642775139 is 4357 × 151 × 977.
Since it has a total of 3 prime factors.
6 , 10 , 66 , 42 , 208 , 562 , 3429 , 1684 , 87701 , 10786 , 33049 , 483407 , 5984308 , 8688432 , 68257631 , 19517574 , 486671506 , 272251107 , 2297671271 , 1554640359
n×2
1285550278
n×3
1928325417
n×4
2571100556
n×5
3213875695
n÷2
321387569.5
n÷3
214258379.66667
n÷3
160693784.75
n÷5
128555027.8
n2
413159879316469321
n3
2.6556889885687E+26
n4
1.707010858768E+35
n5
1.0972241420191E+44
2 √n
25353.01045241
3 √n
863.01767491718
4 √n
159.22628693909
5 √n
57.757955817962
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642775138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642775139 can be divided by 8 positive divisors.
The sum of these divisors (counting 642775139) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011111111100001100011
3
Ternary
1122210111100201122
4
Quaternary
212103333201203
5
Quinary
2304022301024
6
Senary
143440522455
8
Octal
4623774143
10
Decimal
642775139
12
Duodecimal
15b32042b
16
Hexadecimal
264ff863
20
Vigesimal
a0h6hgj
36
Base36
amowgz
md5
074978b8eb9e472bbd2411d8bed98664
sha1
0a57dde9e6db8ac5751b5f00b11a6dfdd80da0a8
sha256
b2c409b520151cf75361c628a9c6947b31fc89edfbc1e210c257158b37e9fbfb
sha512
bf6d33d96af7b5f0da8adce6a0efe533d871ec1b91444ea2bc42d440e93f8b17ae882ae5b958ee165faab5f7c5af7eb7a5f9727cd8f02a3abc877b4fea4a065c
ripemd-160
499a4cc4ff71a92e207c667ddf644a53789f97df
Diameter
1285550278
Circumference
4038675309.1851
Area
1.2979800416187E+18
Volume
1.1124124022276E+27
Surface area
5.1919201664747E+18
Circumference
4038675309.1851
Perimeter
2571100556
Area
413159879316469321
Diagonal
909021319.13005
Surface area
2478959275898815926
Volume
2.6556889885687E+26
Space diagonal
1113319198.5901
Perimeter
1928325417
Area
1.7890347565629E+17
Altitude
556659599.29507
Surface area
1.7890347565629E+17
Volume
3.1297594875656E+25
Height
303007106.37668