642688892 is an even 9-digits composite number following 642688891
and preceding 642688893 . In scientific notation, it is written as 6.42688892 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 320122080 positive integers (up to 642688892) that are relatively prime to 642688892.
642688892 has 12 divisors, whose sum is 1128983856
The reverse of 642688892 is 298886246
Previous prime number is 263
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred forty-two million six hundred eighty-eight thousand eight hundred ninety-two
Scientific notation
6.42688892 × 10^8
Engineering notation
6.42688892 × 10^6
Prime Factorization
2 × 2 × 263 × 610921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
321344446
Product of the distinct prime numbers
The prime factorization of 642688892 is 2 × 2 × 263 × 610921.
Since it has a total of 4 prime factors.
4 , 6 , 4 , 87 , 272 , 53 , 4697 , 9006 , 24694 , 1311 , 769226 , 981451 , 8265082 , 3294979 , 9466141 , 8029312 , 536979499 , 656077957 , 4408312833 , 838888058
n×2
1285377784
n×3
1928066676
n×4
2570755568
n×5
3213444460
n÷2
321344446
n÷3
214229630.66667
n÷3
160672223
n÷5
128537778.4
n2
413049011900187664
n3
2.6546201179983E+26
n4
1.7060948623172E+35
n5
1.0964882167095E+44
2 √n
25351.309473082
3 √n
862.97907354103
4 √n
159.22094545971
5 √n
57.756405752473
1 , 2 , 4 , 263 , 526 , 1052 , 610921 , 1221842 , 2443684 , 160672223 , 321344446 , 642688892
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642688891
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642688892 can be divided by 12 positive divisors.
The sum of these divisors (counting 642688892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110010011101010011101111100
3
Ternary
1122210022222102022
4
Quaternary
212103222131330
5
Quinary
2304012021032
6
Senary
143435015312
8
Octal
4623523574
10
Decimal
642688892
12
Duodecimal
15b29a538
16
Hexadecimal
264ea77c
20
Vigesimal
a0gg24c
36
Base36
amn1x8
md5
953c326c3f71ce27cb037cf4176a7c3a
sha1
a99e858e0241ed43f23b3229d58a4cfa45d75cb8
sha256
d04ba5577b94a3a01acc9006ab2b4af27f84334153a77808f50ee2893910d110
sha512
db76484ab49c4ce9167b6c7c8148d5892e669d9a121541871d344da0cf0c1a3c4428c68a820063b18bd4b0e05f5a4efbcad758fca1752d09155cdbc41429f80b
ripemd-160
561796def121fb8f48102b2ed810b07f50c48332
Diameter
1285377784
Circumference
4038133403.3019
Area
1.2976317413582E+18
Volume
1.11196467477E+27
Surface area
5.1905269654326E+18
Circumference
4038133403.3019
Perimeter
2570755568
Area
413049011900187664
Diagonal
908899347.45294
Surface area
2478294071401125984
Volume
2.6546201179983E+26
Space diagonal
1113169814.4041
Perimeter
1928066676
Area
1.7885546865681E+17
Altitude
556584907.20207
Surface area
1.7885546865681E+17
Volume
3.128499811518E+25
Height
302966449.15098