642019961 is an odd 9-digits composite number following 642019960
and preceding 642019962 . In scientific notation, it is written as 6.42019961 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 583654500 positive integers (up to 642019961) that are relatively prime to 642019961.
642019961 has 4 divisors, whose sum is 700385424
The reverse of 642019961 is 169910246
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-two million nineteen thousand nine hundred sixty-one
Scientific notation
6.42019961 × 10^8
Engineering notation
6.42019961 × 10^6
Prime Factorization
11 × 58365451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642019961
Product of the distinct prime numbers
The prime factorization of 642019961 is 11 × 58365451.
Since it has a total of 2 prime factors.
10 , 1 , 6 , 98 , 501 , 969 , 3655 , 8934 , 44272 , 92958 , 281656 , 101790 , 5877973 , 6438788 , 36744553 , 1339754 , 788599772 , 419187453 , 1040876744 , 4179807373
n×2
1284039922
n×3
1926059883
n×4
2568079844
n×5
3210099805
n÷2
321009980.5
n÷3
214006653.66667
n÷3
160504990.25
n÷5
128403992.2
n2
412189630322441521
n3
2.6463397038422E+26
n4
1.6990029134535E+35
n5
1.0907937842343E+44
2 √n
25338.112814494
3 √n
862.67956426615
4 √n
159.17949872548
5 √n
57.744377803702
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642019960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642019961 can be divided by 4 positive divisors.
The sum of these divisors (counting 642019961) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001000111001001111001
3
Ternary
1122202001222211002
4
Quaternary
212101013021321
5
Quinary
2303324114321
6
Senary
143412414345
8
Octal
4621071171
10
Decimal
642019961
12
Duodecimal
15b0173b5
16
Hexadecimal
26447279
20
Vigesimal
a0cc9i1
36
Base36
am8prt
md5
4231853f7a1da3638ed77c9c34d9eaaf
sha1
0cfa2b6cb7798fd2dd4d4dde793f2234bfed2f65
sha256
ee56f100966c79cfad92c70942f414b6131321e22d9d517fe02f251fd71534ba
sha512
cf7231991f85afef25c91d335e77f895571ee68d6025ced73eff64ef025ba0bf41bd8fbc74599873d7bb199d324916a061c97902bb3c9c81f90bc10d11dd1deb
ripemd-160
2f0bc8a292b1b577ee72ab55227cc7cb819f99be
Diameter
1284039922
Circumference
4033930385.8712
Area
1.2949319145069E+18
Volume
1.1084961829991E+27
Surface area
5.1797276580275E+18
Circumference
4033930385.8712
Perimeter
2568079844
Area
412189630322441521
Diagonal
907953336.16045
Surface area
2473137781934649126
Volume
2.6463397038422E+26
Space diagonal
1112011191.9254
Perimeter
1926059883
Area
1.7848334551788E+17
Altitude
556005595.96269
Surface area
1.7848334551788E+17
Volume
3.11874124985E+25
Height
302651112.05348