642693994 is an even 9-digits composite number following 642693993
and preceding 642693995 . In scientific notation, it is written as 6.42693994 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 321346996 positive integers (up to 642693994) that are relatively prime to 642693994.
642693994 has 4 divisors, whose sum is 964040994
The reverse of 642693994 is 499396246
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred forty-two million six hundred ninety-three thousand nine hundred ninety-four
Scientific notation
6.42693994 × 10^8
Engineering notation
6.42693994 × 10^6
Prime Factorization
2 × 321346997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642693994
Product of the distinct prime numbers
The prime factorization of 642693994 is 2 × 321346997.
Since it has a total of 2 prime factors.
9 , 2 , 59 , 50 , 289 , 527 , 6292 , 8522 , 75566 , 47972 , 248196 , 868153 , 3809983 , 6858105 , 90072202 , 5528406 , 204214630 , 705850440 , 6807295007 , 5474362086
n×2
1285387988
n×3
1928081982
n×4
2570775976
n×5
3213469970
n÷2
321346997
n÷3
214231331.33333
n÷3
160673498.5
n÷5
128538798.8
n2
413055569923672036
n3
2.6546833397819E+26
n4
1.7061490384497E+35
n5
1.0965317398805E+44
2 √n
25351.410098849
3 √n
862.98135712782
4 √n
159.22126145351
5 √n
57.756497452283
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
-642693993
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 642693994 can be divided by 4 positive divisors.
The sum of these divisors (counting 642693994) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010011101011101101101010
3
Ternary
1122210100020102021
4
Quaternary
212103223231222
5
Quinary
2304012201434
6
Senary
143435055054
8
Octal
4623535552
10
Decimal
642693994
12
Duodecimal
15b2a148a
16
Hexadecimal
264ebb6a
20
Vigesimal
a0ggeje
36
Base36
amn5uy
md5
8fc49c8917f4dd9f880877086c0cca8f
sha1
02db339cd09bfebd99eefdae35d6f60f921aff5b
sha256
c6649d26384dddebf6acc4f80da9758f2897d32367280d7bb7b3903bdb465608
sha512
bffe84c3a44442df61ea02fe7d51176a333598b654ab653fd3321820ef8b1637bcc30e0f132b18ba5aeed5a4ea587557b28b34d26c16971e4d1e3ed715a01471
ripemd-160
d8f18b790e08ec893124d2a5aa063717ff71f761
Diameter
1285387988
Circumference
4038165460.1134
Area
1.2976523439966E+18
Volume
1.1119911570488E+27
Surface area
5.1906093759862E+18
Circumference
4038165460.1134
Perimeter
2570775976
Area
413055569923672036
Diagonal
908906562.77053
Surface area
2478333419542032216
Volume
2.6546833397819E+26
Space diagonal
1113178651.3274
Perimeter
1928081982
Area
1.7885830836428E+17
Altitude
556589325.66368
Surface area
1.7885830836428E+17
Volume
3.1285743191046E+25
Height
302968854.25684