645013208 is an even 9-digits composite number following 645013207
and preceding 645013209 . In scientific notation, it is written as 6.45013208 × 10^8.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 276434208 positive integers (up to 645013208) that are relatively prime to 645013208.
645013208 has 16 divisors, whose sum is 1382171280
The reverse of 645013208 is 802310546
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
six hundred forty-five million thirteen thousand two hundred eight
Scientific notation
6.45013208 × 10^8
Engineering notation
6.45013208 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 11518093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161253302
Product of the distinct prime numbers
The prime factorization of 645013208 is 2 × 2 × 2 × 7 × 11518093.
Since it has a total of 5 prime factors.
3 , 8 , 60 , 74 , 16 , 71 , 1833 , 6108 , 69604 , 79928 , 256122 , 798429 , 9978584 , 6413812 , 26164823 , 61901021 , 66671259 , 331633755 , 3481511787 , 2947133752
n×2
1290026416
n×3
1935039624
n×4
2580052832
n×5
3225066040
n÷2
322506604
n÷3
215004402.66667
n÷3
161253302
n÷5
129002641.6
n2
416042038494451264
n3
2.6835260991217E+26
n4
1.7309097779462E+35
n5
1.1164596686316E+44
2 √n
25397.110229315
3 √n
864.01815734018
4 √n
159.36470823026
5 √n
57.798121226254
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 11518093 , 23036186 , 46072372 , 80626651 , 92144744 , 161253302 , 322506604 , 645013208
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
-645013207
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 645013208 can be divided by 16 positive divisors.
The sum of these divisors (counting 645013208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011100100001111011011000
3
Ternary
1122221201001210002
4
Quaternary
212130201323120
5
Quinary
2310110410313
6
Senary
144000512132
8
Octal
4634417330
10
Decimal
645013208
12
Duodecimal
16001b648
16
Hexadecimal
26721ed8
20
Vigesimal
a1b6d08
36
Base36
ao0vdk
md5
6f2a4f478286626d53257e36e9322d5a
sha1
183494e996a5fc445cab5ecd18532e8d6d50f963
sha256
ad3d2f66811faa280ff418da72c0293477fc7ee5facac3ed3df8b928a01161ff
sha512
606823c5bf5e41d33e6ba087d64ac4c0fe0658422859902302285b31abb069fd280e526ee1e67cee4cd6d6c8d6fe36d4601b4389291e301c8d6fb561facb996a
ripemd-160
6000bc6d707c2c9efb564810591b4f3cb255934c
Diameter
1290026416
Circumference
4052737511.4424
Area
1.3070346117187E+18
Volume
1.1240727838289E+27
Surface area
5.2281384468748E+18
Circumference
4052737511.4424
Perimeter
2580052832
Area
416042038494451264
Diagonal
912186426.66338
Surface area
2496252230966707584
Volume
2.6835260991217E+26
Space diagonal
1117195647.809
Perimeter
1935039624
Area
1.8015148718923E+17
Altitude
558597823.9045
Surface area
1.8015148718923E+17
Volume
3.1625658369667E+25
Height
304062142.22113