642893 is an odd 6-digits composite number following 642892
and preceding 642894 . In scientific notation, it is written as 6.42893 × 10^5.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 627900 positive integers (up to 642893) that are relatively prime to 642893.
642893 has 4 divisors, whose sum is 657888
The reverse of 642893 is 398246
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 32
Digital Root 5
Name
six hundred forty-two thousand eight hundred ninety-three
Scientific notation
6.42893 × 10^5
Engineering notation
6.42893 × 10^3
Prime Factorization
43 × 14951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642893
Product of the distinct prime numbers
The prime factorization of 642893 is 43 × 14951.
Since it has a total of 2 prime factors.
7 , 1 , 93 , 5 , 880 , 984 , 1720 , 1057 , 2754 , 19845 , 744319 , 158003 , 6865494 , 4435416 , 12197145 , 29573767 , 571619082 , 65505091 , 7520123666 , 5737537236
n×2
1285786
n×3
1928679
n×4
2571572
n×5
3214465
n÷2
321446.5
n÷3
214297.66666667
n÷3
160723.25
n÷5
128578.6
n2
413311409449
n3
265715011954895957
n4
1.7082632118072E+23
n5
1.0982304610284E+29
2 √n
801.80608628271
3 √n
86.307042011721
4 √n
28.316180644337
5 √n
14.508674564574
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642893 can be divided by 4 positive divisors.
The sum of these divisors (counting 642893) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011100111101001101
3
Ternary
1012122212212
4
Quaternary
2130331031
5
Quinary
131033033
6
Senary
21440205
8
Octal
2347515
10
Decimal
642893
12
Duodecimal
270065
16
Hexadecimal
9cf4d
20
Vigesimal
4074d
36
Base36
ds25
md5
2fdb810066c5a066d2abd5ffe55f434e
sha1
550636a9b98678530e0a2e544f28bb40a885ec18
sha256
94dc8563c837be5617b2307f7a9960bddd2180ff8995eeb522dfe96e687a4234
sha512
1035f474d86dd2ed7c71a5627d68bf0993c040995ef02617a7937738d3b3ee52ee609a25cf42f92ae8893b23a14854cc2d97a7e3546af974d0005fece9a8f640
ripemd-160
563ced0f738e2ac81fb2c05ef9c8db50a9e00ce3
Diameter
1285786
Circumference
4039415.8516886
Area
1298456087569.8
Volume
1.1130244393414E+18
Surface area
5193824350279.3
Circumference
4039415.8516886
Perimeter
2571572
Area
413311409449
Diagonal
909187.99975473
Surface area
2479868456694
Volume
265715011954895957
Space diagonal
1113523.3398304
Perimeter
1928679
Area
178969090128.39
Altitude
556761.66991519
Surface area
178969090128.39
Volume
3.1314814469395E+16
Height
303062.66658491