642912393 is an odd 9-digits composite number following 642912392
and preceding 642912394 . In scientific notation, it is written as 6.42912393 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 418091520 positive integers (up to 642912393) that are relatively prime to 642912393.
642912393 has 16 divisors, whose sum is 878302656
The reverse of 642912393 is 393219246
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-two million nine hundred twelve thousand three hundred ninety-three
Scientific notation
6.42912393 × 10^8
Engineering notation
6.42912393 × 10^6
Prime Factorization
3 × 43 × 881 × 5657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642912393
Product of the distinct prime numbers
The prime factorization of 642912393 is 3 × 43 × 881 × 5657.
Since it has a total of 4 prime factors.
4 , 2 , 3 , 31 , 298 , 827 , 198 , 6979 , 74775 , 93220 , 227179 , 191385 , 1895962 , 846360 , 2800691 , 73582796 , 105269327 , 402944111 , 1526204994 , 1217137878
n×2
1285824786
n×3
1928737179
n×4
2571649572
n×5
3214561965
n÷2
321456196.5
n÷3
214304131
n÷3
160728098.25
n÷5
128582478.6
n2
413336345072986449
n3
2.6573905872475E+26
n4
1.7084693415829E+35
n5
1.0983961127642E+44
2 √n
25355.717165957
3 √n
863.07909826239
4 √n
159.23478629356
5 √n
57.760422258544
1 , 3 , 43 , 129 , 881 , 2643 , 5657 , 16971 , 37883 , 113649 , 243251 , 729753 , 4983817 , 14951451 , 214304131 , 642912393
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642912392
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642912393 can be divided by 16 positive divisors.
The sum of these divisors (counting 642912393) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100100001000010001001
3
Ternary
1122210202100000010
4
Quaternary
212110201002021
5
Quinary
2304041144033
6
Senary
143443502133
8
Octal
4624410211
10
Decimal
642912393
12
Duodecimal
15b387949
16
Hexadecimal
26521089
20
Vigesimal
a0i40jd
36
Base36
amrudl
md5
7712301438ab38e8ce79074dd99d102f
sha1
f41e10b78f71eafbf93e141eb412082e93337798
sha256
2824e243f18e3d5d93685773ec12276fabba9d86d2c72c616addf1f0eac96e3c
sha512
8edbfa4fd2caacc293382ad547a68d01e623b5bb4e39b513b426eb8da8b6fca6e9970573c18c6080dee43f58b6a57f2807d2d858df88a3de3b179af8baba9892
ripemd-160
f589a698f6d87cf8c06d4e8bf825e414b32186b4
Diameter
1285824786
Circumference
4039537701.5013
Area
1.2985344251429E+18
Volume
1.1131251662154E+27
Surface area
5.1941377005718E+18
Circumference
4039537701.5013
Perimeter
2571649572
Area
413336345072986449
Diagonal
909215425.59834
Surface area
2480018070437918694
Volume
2.6573905872475E+26
Space diagonal
1113556929.4917
Perimeter
1928737179
Area
1.7897988757031E+17
Altitude
556778464.74584
Surface area
1.7897988757031E+17
Volume
3.13176484084E+25
Height
303071808.53278