645288045 is an odd 9-digits composite number following 645288044
and preceding 645288046 . In scientific notation, it is written as 6.45288045 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 343775744 positive integers (up to 645288045) that are relatively prime to 645288045.
645288045 has 16 divisors, whose sum is 1033594560
The reverse of 645288045 is 540882546
Previous prime number is 929
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred forty-five million two hundred eighty-eight thousand forty-five
Scientific notation
6.45288045 × 10^8
Engineering notation
6.45288045 × 10^6
Prime Factorization
3 × 5 × 929 × 46307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
645288045
Product of the distinct prime numbers
The prime factorization of 645288045 is 3 × 5 × 929 × 46307.
Since it has a total of 4 prime factors.
10 , 2 , 28 , 29 , 830 , 666 , 4193 , 7170 , 66189 , 9456 , 797523 , 716661 , 5547533 , 6297277 , 65151454 , 10767159 , 688245860 , 294183338 , 3290171570 , 7272142942
n×2
1290576090
n×3
1935864135
n×4
2581152180
n×5
3226440225
n÷2
322644022.5
n÷3
215096015
n÷3
161322011.25
n÷5
129057609
n2
416396661019922025
n3
2.6869578733407E+26
n4
1.7338617930854E+35
n5
1.1188402867603E+44
2 √n
25402.520445814
3 √n
864.14085789675
4 √n
159.38168165073
5 √n
57.80304588681
1 , 3 , 5 , 15 , 929 , 2787 , 4645 , 13935 , 46307 , 138921 , 231535 , 694605 , 43019203 , 129057609 , 215096015 , 645288045
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
-645288044
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 645288045 can be divided by 16 positive divisors.
The sum of these divisors (counting 645288045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011101100101000001101101
3
Ternary
1122222020000210020
4
Quaternary
212131211001231
5
Quinary
2310143204140
6
Senary
144010432353
8
Octal
4635450155
10
Decimal
645288045
12
Duodecimal
1601326b9
16
Hexadecimal
2676506d
20
Vigesimal
a1d1025
36
Base36
ao6rfx
md5
bea438430043291c1fc4abc23cb80d44
sha1
39f4f59f9ee1a0a89387961770233fdcba7874c8
sha256
a26505f7afbd1694209df6a781dbfc691663f36dc1f51e95d162874b0d21598d
sha512
4b0dcfd47bcfb8cf32d18f4556dbc6d2631349bcaef160ea2ffd33f129e7485d4473b8478f5971f35221017554dc038bdb9e783a80c2a706fa90581f7d562bda
ripemd-160
6a51b88ded24e37649c9ad55a3b0a1e2b456a6bb
Diameter
1290576090
Circumference
4054464363.2426
Area
1.3081486912395E+18
Volume
1.1255102820523E+27
Surface area
5.232594764958E+18
Circumference
4054464363.2426
Perimeter
2581152180
Area
416396661019922025
Diagonal
912575104.87622
Surface area
2498379966119532150
Volume
2.6869578733407E+26
Space diagonal
1117671679.4568
Perimeter
1935864135
Area
1.8030504324714E+17
Altitude
558835839.7284
Surface area
1.8030504324714E+17
Volume
3.1666102216697E+25
Height
304191701.62541