642893155 is an odd 9-digits composite number following 642893154
and preceding 642893156 . In scientific notation, it is written as 6.42893155 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 514210656 positive integers (up to 642893155) that are relatively prime to 642893155.
642893155 has 8 divisors, whose sum is 771627600
The reverse of 642893155 is 551398246
Previous prime number is 19309
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-two million eight hundred ninety-three thousand one hundred fifty-five
Scientific notation
6.42893155 × 10^8
Engineering notation
6.42893155 × 10^6
Prime Factorization
5 × 19309 × 6659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642893155
Product of the distinct prime numbers
The prime factorization of 642893155 is 5 × 19309 × 6659.
Since it has a total of 3 prime factors.
7 , 7 , 15 , 80 , 670 , 740 , 2829 , 1195 , 77160 , 97341 , 480473 , 616531 , 2720472 , 8938366 , 32629488 , 96925878 , 526665883 , 712937374 , 8520357767 , 3692302076
n×2
1285786310
n×3
1928679465
n×4
2571572620
n×5
3214465775
n÷2
321446577.5
n÷3
214297718.33333
n÷3
160723288.75
n÷5
128578631
n2
413311608745854025
n3
2.6571520414475E+26
n4
1.7082648592409E+35
n5
1.098231784933E+44
2 √n
25355.337800944
3 √n
863.07048947862
4 √n
159.23359507637
5 √n
57.760076579003
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
-642893154
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 642893155 can be divided by 8 positive divisors.
The sum of these divisors (counting 642893155) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100011100010101100011
3
Ternary
1122210201100121121
4
Quaternary
212110130111203
5
Quinary
2304040040110
6
Senary
143443233111
8
Octal
4624342543
10
Decimal
642893155
12
Duodecimal
15b378797
16
Hexadecimal
2651c563
20
Vigesimal
a0i1chf
36
Base36
amrfj7
md5
d56658e38c2a4484d901d41705cd3cdb
sha1
53bc9b0c860dbc0d1d5c868b48980515c88b9279
sha256
2a30a61864301a5e40ad3f6ac51e064d26521b57fe87e7e07debfcd5f0978cd6
sha512
6472c6018be458d3a09cc38fb79c2039885c015630a02505cb41858ae16b32da6b1ab30e7f8354ae09d341ec5658a0c7f15ad7175d3e2e2e1216503c0df1b3c4
ripemd-160
980a45d4be675ae0515e6ea416be2a34082c66de
Diameter
1285786310
Circumference
4039416825.5823
Area
1.2984567136794E+18
Volume
1.1130252443843E+27
Surface area
5.1938268547174E+18
Circumference
4039416825.5823
Perimeter
2571572620
Area
413311608745854025
Diagonal
909188218.95783
Surface area
2479869652475124150
Volume
2.6571520414475E+26
Space diagonal
1113523608.2983
Perimeter
1928679465
Area
1.7896917642646E+17
Altitude
556761804.14913
Surface area
1.7896917642646E+17
Volume
3.1314837119186E+25
Height
303062739.65261