645366980 is an even 9-digits composite number following 645366979
and preceding 645366981 . In scientific notation, it is written as 6.45366980 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 258146784 positive integers (up to 645366980) that are relatively prime to 645366980.
645366980 has 12 divisors, whose sum is 1355270700
The reverse of 645366980 is 089663546
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 47 Digital Root 2
Name
six hundred forty-five million three hundred sixty-six thousand nine hundred eighty
Scientific notation
6.45366980 × 10^8
Engineering notation
6.45366980 × 10^6
Prime Factorization
2 × 2 × 5 × 32268349
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
322683490 Product of the distinct prime numbers
The prime factorization of 645366980 is 2 × 2 × 5 × 32268349.
Since it has a total of 4 prime factors.
2 , 6 , 88 , 32 , 844 , 52 , 9647 , 315 , 50920 , 47028 , 566313 , 80104 , 523112 , 9612391 , 57683409 , 83885904 , 104380608 , 579366912 , 3106663525 , 1855404030
n×2
1290733960
n×3
1936100940
n×4
2581467920
n×5
3226834900
n÷2
322683490
n÷3
215122326.66667
n÷3
161341745
n÷5
129073396
n2
416498538874320400
n3
2.6879440420773E+26
n4
1.7347103288444E+35
n5
1.1195247661011E+44
2 √n25404.074082714
3 √n864.17609186605
4 √n159.38655552685
5 √n57.804459971644
1 , 2 , 4 , 5 , 10 , 20 , 32268349 , 64536698 , 129073396 , 161341745 , 322683490 , 645366980
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
-645366979 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 645366980 can be divided by 12 positive divisors.
The sum of these divisors (counting 645366980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110011101111000010011000100
3
Ternary
1122222101001001202
4
Quaternary
212131320103010
5
Quinary
2310203220410
6
Senary
144012242032
8
Octal
4635702304
10
Decimal
645366980
12
Duodecimal
160170318
16
Hexadecimal
267784c4
20
Vigesimal
a1dah90
36
Base36
ao8gck
md5
7c89bb5f8b93b8fbe7ddbd16c490c1a1
sha1
83598cd995ac9b32cd2ff598d9a557787f8be9cd
sha256
2a49f8c9691c351ed53fdcf897a651d83af8fda99c95858265a606f235a138b0
sha512
4055f739de691599693ebacf95e549506051b48e1c9d792dc5fd1a996386d4087281d998eb5f0f3667261633ff673065c671f12910b9a097296255303d769a6f
ripemd-160
2c3b77f7f633673e6e1d554c6430f9dda0e91fc4
Diameter
1290733960
Circumference
4054960326.4749
Area
1.3084687499584E+18
Volume
1.1259233674467E+27
Surface area
5.2338749998338E+18
Circumference
4054960326.4749
Perimeter
2581467920
Area
416498538874320400
Diagonal
912686735.82377
Surface area
2498991233245922400
Volume
2.6879440420773E+26
Space diagonal
1117808398.8873
Perimeter
1936100940
Area
1.8034915765213E+17
Altitude
558904199.44364
Surface area
1.8034915765213E+17
Volume
3.1677724326714E+25
Height
304228911.94126