305420021 is an odd 9-digits composite number following 305420020
and preceding 305420022 . In scientific notation, it is written as 3.05420021 × 10^8.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 304544544 positive integers (up to 305420021) that are relatively prime to 305420021.
305420021 has 4 divisors, whose sum is 306295500
The reverse of 305420021 is 120024503
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 17
Digital Root 8
Name
three hundred five million four hundred twenty thousand twenty-one
Scientific notation
3.05420021 × 10^8
Engineering notation
3.05420021 × 10^6
Prime Factorization
349 × 875129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
305420021
Product of the distinct prime numbers
The prime factorization of 305420021 is 349 × 875129.
Since it has a total of 2 prime factors.
6 , 6 , 78 , 36 , 159 , 734 , 7898 , 4530 , 16840 , 64662 , 659139 , 203169 , 7905124 , 3184842 , 59063444 , 99742053 , 699330383 , 54231405 , 7365259699 , 9514947893
n×2
610840042
n×3
916260063
n×4
1221680084
n×5
1527100105
n÷2
152710010.5
n÷3
101806673.66667
n÷3
76355005.25
n÷5
61084004.2
n2
93281389227640441
n3
2.8490003856815E+25
n4
8.7014175762386E+33
n5
2.6575871388645E+42
2 √n
17476.270225652
3 √n
673.44040185979
4 √n
132.19784501138
5 √n
49.771359146624
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
-305420020
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 305420021 can be divided by 4 positive divisors.
The sum of these divisors (counting 305420021) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010001101000101011011110101
3
Ternary
210021200221111122
4
Quaternary
102031011123311
5
Quinary
1111141420041
6
Senary
50150113325
8
Octal
2215053365
10
Decimal
305420021
12
Duodecimal
8634b845
16
Hexadecimal
123456f5
20
Vigesimal
4f8ha11
36
Base36
51u7lh
md5
cd1f82174c7ccbf37fa4df0742725ec9
sha1
7aea6b518e46dfe35cfc7aa8dd8ac81dc98d298f
sha256
572a9aa514060ffed38af45ba6b723124152247161e5bc20152c522878e304fb
sha512
ca656178387685c713a80e96be982fc26d06140f8b08a10947b36a16eeec6179cb6cc6a7506f2d27401e0c114fda0403298d0abebe97ce1d2e1be0ec855fbb34
ripemd-160
fe22b2132d8443c9872b7bfcfbe3b7da5721384f
Diameter
610840042
Circumference
1919010588.4657
Area
2.9305212711421E+17
Volume
1.1933864908975E+26
Surface area
1.1722085084568E+18
Circumference
1919010588.4657
Perimeter
1221680084
Area
93281389227640441
Diagonal
431929135.91848
Surface area
559688335365842646
Volume
2.8490003856815E+25
Space diagonal
529002994.02075
Perimeter
916260063
Area
4.039202638572E+16
Altitude
264501497.01038
Surface area
4.039202638572E+16
Volume
3.3575791538641E+24
Height
143976378.63949