642747 is an odd 6-digits composite number following 642746
and preceding 642748 . In scientific notation, it is written as 6.42747 × 10^5.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 362880 positive integers (up to 642747) that are relatively prime to 642747.
642747 has 16 divisors, whose sum is 991232
The reverse of 642747 is 747246
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
six hundred forty-two thousand seven hundred forty-seven
Scientific notation
6.42747 × 10^5
Engineering notation
6.42747 × 10^3
Prime Factorization
3 × 7 × 127 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642747
Product of the distinct prime numbers
The prime factorization of 642747 is 3 × 7 × 127 × 241.
Since it has a total of 4 prime factors.
7 , 1 , 44 , 43 , 633 , 279 , 9146 , 2055 , 97463 , 69276 , 930032 , 14641 , 4696622 , 2236112 , 48380486 , 10968480 , 766338552 , 990613325 , 9888734987 , 7037614645
n×2
1285494
n×3
1928241
n×4
2570988
n×5
3213735
n÷2
321373.5
n÷3
214249
n÷3
160686.75
n÷5
128549.4
n2
413123706009
n3
265534022666166723
n4
1.7067119646661E+23
n5
1.0969839951532E+29
2 √n
801.71503665579
3 √n
86.300508118766
4 √n
28.314572867267
5 √n
14.50801552522
1 , 3 , 7 , 21 , 127 , 241 , 381 , 723 , 889 , 1687 , 2667 , 5061 , 30607 , 91821 , 214249 , 642747
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
-642746
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 642747 can be divided by 16 positive divisors.
The sum of these divisors (counting 642747) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011100111010111011
3
Ternary
1012122200110
4
Quaternary
2130322323
5
Quinary
131031442
6
Senary
21435403
8
Octal
2347273
10
Decimal
642747
12
Duodecimal
26bb63
16
Hexadecimal
9cebb
20
Vigesimal
406h7
36
Base36
dry3
md5
c8ed297cd3f4c6d5020cfef52ca010de
sha1
6a63d47013988e61686201c5626292542c13bd41
sha256
8f190fdabbc95421f6039870de99d82d176ba8b228633b691f22eac2d14745c9
sha512
914195536942d14bead8bbd7bef2e4f34109edbee5da39bb50877a0a23e9e0ab275a41f306fb8e55b1a7d0c3fa038841473f9316c0cab0bc858ae8ea9dd760f4
ripemd-160
79783e9d1019ea0e0908a645d5362cc69c8cc85c
Diameter
1285494
Circumference
4038498.5066338
Area
1297866399821.7
Volume
1.1122663131816E+18
Surface area
5191465599286.7
Circumference
4038498.5066338
Perimeter
2570988
Area
413123706009
Diagonal
908981.52457462
Surface area
2478742236054
Volume
265534022666166723
Space diagonal
1113270.4604125
Perimeter
1928241
Area
178887812154.68
Altitude
556635.23020624
Surface area
178887812154.68
Volume
3.1293484677165E+16
Height
302993.84152487