646920149 is an odd 9-digits composite number following 646920148
and preceding 646920150 . In scientific notation, it is written as 6.46920149 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 618793164 positive integers (up to 646920149) that are relatively prime to 646920149.
646920149 has 4 divisors, whose sum is 675047136
The reverse of 646920149 is 941029646
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty-six million nine hundred twenty thousand one hundred forty-nine
Scientific notation
6.46920149 × 10^8
Engineering notation
6.46920149 × 10^6
Prime Factorization
23 × 28126963
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
646920149
Product of the distinct prime numbers
The prime factorization of 646920149 is 23 × 28126963.
Since it has a total of 2 prime factors.
4 , 3 , 66 , 27 , 533 , 487 , 8793 , 1408 , 3047 , 78082 , 681251 , 134174 , 2695295 , 2707684 , 88821789 , 21675363 , 268277201 , 49211738 , 1836140841 , 2032641038
n×2
1293840298
n×3
1940760447
n×4
2587680596
n×5
3234600745
n÷2
323460074.5
n÷3
215640049.66667
n÷3
161730037.25
n÷5
129384029.8
n2
418505679182182201
n3
2.7073975633388E+26
n4
1.7514700350774E+35
n5
1.1330612560613E+44
2 √n
25434.62500215
3 √n
864.86879139631
4 √n
159.48236580309
5 √n
57.832256185316
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
-646920148
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 646920149 can be divided by 4 positive divisors.
The sum of these divisors (counting 646920149) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110100011110011011111010101
3
Ternary
1200002021221121112
4
Quaternary
212203303133111
5
Quinary
2311102421044
6
Senary
144105424405
8
Octal
4643633725
10
Decimal
646920149
12
Duodecimal
16079b105
16
Hexadecimal
268f37d5
20
Vigesimal
a235079
36
Base36
ap5qs5
md5
4bff967eb79102460c11a95edc84bd1a
sha1
4f355c8d886dcf3c8158bb7635bd58d94eb5b471
sha256
d1e90a4a6947d277fcfacd55382ba01bda61bc73f103ffc32b196db96c5bb394
sha512
c6c342172e6675adcde2e97258b39e6d4529706d632ab37eed61bd0c713ab9cf537cf8f230787a5d1651ea1560de85fbf076c449ccfa7779cd1d35c54188ed16
ripemd-160
2abebe925b5de5dfb1fd02416ae3a7a10c5d6525
Diameter
1293840298
Circumference
4064719175.1152
Area
1.3147743672044E+18
Volume
1.1340720393776E+27
Surface area
5.2590974688174E+18
Circumference
4064719175.1152
Perimeter
2587680596
Area
418505679182182201
Diagonal
914883248.48822
Surface area
2511034075093093206
Volume
2.7073975633388E+26
Space diagonal
1120498566.508
Perimeter
1940760447
Area
1.8121827489992E+17
Altitude
560249283.25401
Surface area
1.8121827489992E+17
Volume
3.1906986273414E+25
Height
304961082.82941