642775138 is an even 9-digits composite number following 642775137
and preceding 642775139 . In scientific notation, it is written as 6.42775138 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 321314880 positive integers (up to 642775138) that are relatively prime to 642775138.
642775138 has 8 divisors, whose sum is 964380780
The reverse of 642775138 is 831577246
Previous prime number is 4729
Is Prime? no Number parity even Number length 9 Sum of Digits 43 Digital Root 7
Name
six hundred forty-two million seven hundred seventy-five thousand one hundred thirty-eight
Scientific notation
6.42775138 × 10^8
Engineering notation
6.42775138 × 10^6
Prime Factorization
2 × 4729 × 67961
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
642775138 Product of the distinct prime numbers
The prime factorization of 642775138 is 2 × 4729 × 67961.
Since it has a total of 3 prime factors.
7 , 7 , 76 , 81 , 257 , 327 , 198 , 4263 , 89078 , 37328 , 325316 , 147604 , 8305936 , 7576725 , 8890983 , 79138777 , 110719437 , 744967892 , 1629646039 , 3251576090
n×2
1285550276
n×3
1928325414
n×4
2571100552
n×5
3213875690
n÷2
321387569
n÷3
214258379.33333
n÷3
160693784.5
n÷5
128555027.6
n2
413159878030919044
n3
2.6556889761739E+26
n4
1.7070108481452E+35
n5
1.0972241334841E+44
2 √n25353.010432688
3 √n863.01767446963
4 √n159.22628687716
5 √n57.75795579999
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
-642775137 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 642775138 can be divided by 8 positive divisors.
The sum of these divisors (counting 642775138) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011111111100001100010
3
Ternary
1122210111100201121
4
Quaternary
212103333201202
5
Quinary
2304022301023
6
Senary
143440522454
8
Octal
4623774142
10
Decimal
642775138
12
Duodecimal
15b32042a
16
Hexadecimal
264ff862
20
Vigesimal
a0h6hgi
36
Base36
amowgy
md5
73965c9e389fe47424f1809c74a5b4e4
sha1
fd7d88507d794562c287ae0c5637517b23a196e9
sha256
5642d6b365d6561913dfcbc2c1a1efeb68beab9b7280098ccdd4a899b5d69295
sha512
48d6223a11407defd33ec399b2c2d6641db82b966e2a1b9c75b6f3188394a59c424ea58f114ad9fdb01734ff53ea34b7b03b804f49f46b711d3c910a79c5ddea
ripemd-160
86cbcf51cd72e6dc61cf8a2b363cb5f5f2e53441
Diameter
1285550276
Circumference
4038675302.9019
Area
1.29798003758E+18
Volume
1.1124123970356E+27
Surface area
5.19192015032E+18
Circumference
4038675302.9019
Perimeter
2571100552
Area
413159878030919044
Diagonal
909021317.71584
Surface area
2478959268185514264
Volume
2.6556889761739E+26
Space diagonal
1113319196.8581
Perimeter
1928325414
Area
1.7890347509963E+17
Altitude
556659598.42905
Surface area
1.7890347509963E+17
Volume
3.1297594729582E+25
Height
303007105.90528