643483721 is an odd 9-digits composite number following 643483720
and preceding 643483722 . In scientific notation, it is written as 6.43483721 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 620919040 positive integers (up to 643483721) that are relatively prime to 643483721.
643483721 has 8 divisors, whose sum is 666434304
The reverse of 643483721 is 127384346
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-three million four hundred eighty-three thousand seven hundred twenty-one
Scientific notation
6.43483721 × 10^8
Engineering notation
6.43483721 × 10^6
Prime Factorization
47 × 71 × 192833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
643483721
Product of the distinct prime numbers
The prime factorization of 643483721 is 47 × 71 × 192833.
Since it has a total of 3 prime factors.
9 , 4 , 5 , 82 , 299 , 544 , 5640 , 886 , 61671 , 18267 , 508168 , 553897 , 8528978 , 9246759 , 82419546 , 50614567 , 490831101 , 519207456 , 9443246789 , 9338590521
n×2
1286967442
n×3
1930451163
n×4
2573934884
n×5
3217418605
n÷2
321741860.5
n÷3
214494573.66667
n÷3
160870930.25
n÷5
128696744.2
n2
414071299192005841
n3
2.6644814036338E+26
n4
1.7145504081456E+35
n5
1.1032852764756E+44
2 √n
25366.980920086
3 √n
863.33468272806
4 √n
159.2701507505
5 √n
57.770684441331
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
-643483720
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 643483721 can be divided by 8 positive divisors.
The sum of these divisors (counting 643483721) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010110101100100001001001
3
Ternary
1122211211100201102
4
Quaternary
212112230201021
5
Quinary
2304212434341
6
Senary
143504031145
8
Octal
4626544111
10
Decimal
643483721
12
Duodecimal
15b6024b5
16
Hexadecimal
265ac849
20
Vigesimal
a11f961
36
Base36
an437t
md5
b5145396084a96230a59de873811a345
sha1
debe02c0c773ab309e2c84d669541a1996cfc260
sha256
5f803a5e56b3743822e3a68721ed55d7c7448508040d079226192e166f485590
sha512
a644077e2307f4a955562950767b5738afc5f5c6c2481569a88748d9960aca4b6887b2675e37e93f92a107baec17dca9a1f2d4b4b23c1b0903500e3352c0a414
ripemd-160
dcf4d49788662fe8734f8b6b0d9318e7238b68a7
Diameter
1286967442
Circumference
4043127461.1964
Area
1.300843351604E+18
Volume
1.1160953604377E+27
Surface area
5.2033734064159E+18
Circumference
4043127461.1964
Perimeter
2573934884
Area
414071299192005841
Diagonal
910023405.4045
Surface area
2484427795152035046
Volume
2.6644814036338E+26
Space diagonal
1114546498.6155
Perimeter
1930451163
Area
1.7929813203915E+17
Altitude
557273249.30774
Surface area
1.7929813203915E+17
Volume
3.1401214480915E+25
Height
303341135.13483