642730907 is an odd 9-digits composite number following 642730906
and preceding 642730908 . In scientific notation, it is written as 6.42730907 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 507893760 positive integers (up to 642730907) that are relatively prime to 642730907.
642730907 has 16 divisors, whose sum is 792050112
The reverse of 642730907 is 709037246
Previous prime number is 8017
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-two million seven hundred thirty thousand nine hundred seven
Scientific notation
6.42730907 × 10^8
Engineering notation
6.42730907 × 10^6
Prime Factorization
7 × 13 × 8017 × 881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642730907
Product of the distinct prime numbers
The prime factorization of 642730907 is 7 × 13 × 8017 × 881.
Since it has a total of 4 prime factors.
4 , 9 , 59 , 87 , 259 , 374 , 8147 , 7243 , 51019 , 78964 , 491587 , 876378 , 7623705 , 8493814 , 26778430 , 23097865 , 319612716 , 598440180 , 8077101792 , 3587364638
n×2
1285461814
n×3
1928192721
n×4
2570923628
n×5
3213654535
n÷2
321365453.5
n÷3
214243635.66667
n÷3
160682726.75
n÷5
128546181.4
n2
413103018813042649
n3
2.6551407796614E+26
n4
1.7065410415245E+35
n5
1.0968466714518E+44
2 √n
25352.13811496
3 √n
862.99787853162
4 √n
159.22354761454
5 √n
57.7571608836
1 , 7 , 13 , 91 , 881 , 6167 , 8017 , 11453 , 56119 , 80171 , 104221 , 729547 , 7062977 , 49440839 , 91818701 , 642730907
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
-642730906
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 642730907 can be divided by 16 positive divisors.
The sum of these divisors (counting 642730907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011110100101110011011
3
Ternary
1122210102010001102
4
Quaternary
212103310232123
5
Quinary
2304014342112
6
Senary
143435542015
8
Octal
4623645633
10
Decimal
642730907
12
Duodecimal
15b2ba90b
16
Hexadecimal
264f4b9b
20
Vigesimal
a0h1757
36
Base36
amnycb
md5
12c0cfb3d8c416b2e25fe7b8dc451d76
sha1
f5a52218d7539a770d341bfa61f9b91150265a7b
sha256
bb2d43f8c6b187d1b691b5f221ec1ee91433963d5f9e9fbc912d3e902a9f11a2
sha512
f3f299fbdb869b6413fb3febdf2b3ef1866059fdeda64da3d0e7512eb316d37efc9d3c15e2f5305f69428725705ce880927f6c17e494189374fa120fe5e1f51d
ripemd-160
a27cdec84a454ae0cc3d1a7c327a91c24b2f6a58
Diameter
1285461814
Circumference
4038397391.3326
Area
1.2978014090788E+18
Volume
1.1121827690175E+27
Surface area
5.1912056363153E+18
Circumference
4038397391.3326
Perimeter
2570923628
Area
413103018813042649
Diagonal
908958765.63576
Surface area
2478618112878255894
Volume
2.6551407796614E+26
Space diagonal
1113242586.5188
Perimeter
1928192721
Area
1.7887885433607E+17
Altitude
556621293.25941
Surface area
1.7887885433607E+17
Volume
3.1291134171726E+25
Height
302986255.21192