642938862 is an even 9-digits composite number following 642938861
and preceding 642938863 . In scientific notation, it is written as 6.42938862 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 208520640 positive integers (up to 642938862) that are relatively prime to 642938862.
642938862 has 16 divisors, whose sum is 1320631632
The reverse of 642938862 is 268839246
Previous prime number is 37
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred forty-two million nine hundred thirty-eight thousand eight hundred sixty-two
Scientific notation
6.42938862 × 10^8
Engineering notation
6.42938862 × 10^6
Prime Factorization
2 × 3 × 37 × 2896121
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642938862
Product of the distinct prime numbers
The prime factorization of 642938862 is 2 × 3 × 37 × 2896121.
Since it has a total of 4 prime factors.
3 , 6 , 77 , 34 , 13 , 344 , 9654 , 7975 , 15544 , 3842 , 146505 , 924496 , 8679134 , 8544322 , 93081614 , 27994299 , 422359008 , 283205630 , 2032913952 , 916806308
n×2
1285877724
n×3
1928816586
n×4
2571755448
n×5
3214694310
n÷2
321469431
n÷3
214312954
n÷3
160734715.5
n÷5
128587772.4
n2
413370380269855044
n3
2.6577188187521E+26
n4
1.7087507128444E+35
n5
1.0986222387579E+44
2 √n
25356.239113875
3 √n
863.0909425548
4 √n
159.23642521068
5 √n
57.760897855361
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 2896121 , 5792242 , 8688363 , 17376726 , 107156477 , 214312954 , 321469431 , 642938862
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
-642938861
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 642938862 can be divided by 16 positive divisors.
The sum of these divisors (counting 642938862) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100100111011111101110
3
Ternary
1122210210200022110
4
Quaternary
212110213133232
5
Quinary
2304043020422
6
Senary
143444224450
8
Octal
4624473756
10
Decimal
642938862
12
Duodecimal
15b39b126
16
Hexadecimal
265277ee
20
Vigesimal
a0i7732
36
Base36
amsesu
md5
937d62390d86b94660c848e48c258678
sha1
de8b28e0ee5260d1e5b622ff627f0c4544041d4d
sha256
9538aa05c159b7e583817ee976e6e7ecb6a888ba442f4ad212698f113030a810
sha512
b0cfa2f4f9ce74137a4afa7d8f10c53bc2c1a48fe429f036adbdff55e3a3e9283575c6a876a364b250d49df12a2bf0808a5f55815688a23784cb3c03cd8223a5
ripemd-160
28ad4ad02ba1b6a3be163f4ea77db491f26cce06
Diameter
1285877724
Circumference
4039704011.1332
Area
1.2986413498674E+18
Volume
1.1132626555065E+27
Surface area
5.1945653994696E+18
Circumference
4039704011.1332
Perimeter
2571755448
Area
413370380269855044
Diagonal
909252858.41712
Surface area
2480222281619130264
Volume
2.6577188187521E+26
Space diagonal
1113602775.1445
Perimeter
1928816586
Area
1.7899462524286E+17
Altitude
556801387.57226
Surface area
1.7899462524286E+17
Volume
3.1321516653778E+25
Height
303084286.13904