645993313 is an odd 9-digits composite number following 645993312
and preceding 645993314 . In scientific notation, it is written as 6.45993313 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 551216232 positive integers (up to 645993313) that are relatively prime to 645993313.
645993313 has 12 divisors, whose sum is 754844160
The reverse of 645993313 is 313399546
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-five million nine hundred ninety-three thousand three hundred thirteen
Scientific notation
6.45993313 × 10^8
Engineering notation
6.45993313 × 10^6
Prime Factorization
7 × 7 × 223 × 59119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
92284759
Product of the distinct prime numbers
The prime factorization of 645993313 is 7 × 7 × 223 × 59119.
Since it has a total of 4 prime factors.
3 , 5 , 61 , 26 , 82 , 830 , 3675 , 9979 , 52141 , 13634 , 757898 , 153661 , 4006494 , 9045842 , 35854247 , 40249866 , 981258563 , 465626528 , 6292695578 , 7332359859
n×2
1291986626
n×3
1937979939
n×4
2583973252
n×5
3229966565
n÷2
322996656.5
n÷3
215331104.33333
n÷3
161498328.25
n÷5
129198662.6
n2
417307360440715969
n3
2.6957776431038E+26
n4
1.74145433078E+35
n5
1.1249678525788E+44
2 √n
25416.398505689
3 √n
864.45556438106
4 √n
159.42521289209
5 √n
57.815675542106
1 , 7 , 49 , 223 , 1561 , 10927 , 59119 , 413833 , 2896831 , 13183537 , 92284759 , 645993313
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
-645993312
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 645993313 can be divided by 12 positive divisors.
The sum of these divisors (counting 645993313) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110100000010001001101100001
3
Ternary
1200000112212020021
4
Quaternary
212200101031201
5
Quinary
2310333241223
6
Senary
144033513441
8
Octal
4640211541
10
Decimal
645993313
12
Duodecimal
160412881
16
Hexadecimal
26811361
20
Vigesimal
a1h935d
36
Base36
aolvmp
md5
30cf1886fdb7c4370371e61a7fc83a78
sha1
840a1f5beb3d1c793fa38535c8f20618ff7e589b
sha256
270fe25f63d9dbbe4fc6cc564fbe324e1cbc9c1bf31288990e1df26b97c12d00
sha512
5182dd03cbdd9c743c902d8a2a58997942cfb1794c403cb7f33722508396430e70080be1be9b710a1811848817298e26369c2e80c026ed3551dbf4501ad0ab4d
ripemd-160
d81029554b46e53b2ccfe4bc978d522d885536a7
Diameter
1291986626
Circumference
4058895692.7779
Area
1.3110097378495E+18
Volume
1.1292046985715E+27
Surface area
5.244038951398E+18
Circumference
4058895692.7779
Perimeter
2583973252
Area
417307360440715969
Diagonal
913572504.44693
Surface area
2503844162644295814
Volume
2.6957776431038E+26
Space diagonal
1118893239.4657
Perimeter
1937979939
Area
1.8069938766394E+17
Altitude
559446619.73287
Surface area
1.8069938766394E+17
Volume
3.1770044200163E+25
Height
304524168.14898