645742012 is an even 9-digits composite number following 645742011
and preceding 645742013 . In scientific notation, it is written as 6.45742012 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 322871004 positive integers (up to 645742012) that are relatively prime to 645742012.
645742012 has 6 divisors, whose sum is 1130048528
The reverse of 645742012 is 210247546
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
six hundred forty-five million seven hundred forty-two thousand twelve
Scientific notation
6.45742012 × 10^8
Engineering notation
6.45742012 × 10^6
Prime Factorization
2 × 2 × 161435503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
322871006
Product of the distinct prime numbers
The prime factorization of 645742012 is 2 × 2 × 161435503.
Since it has a total of 3 prime factors.
3 , 5 , 31 , 38 , 623 , 68 , 9820 , 7650 , 39675 , 34741 , 830872 , 291783 , 3458305 , 8005183 , 77653940 , 24650900 , 349012289 , 29340012 , 7144453323 , 2252123199
n×2
1291484024
n×3
1937226036
n×4
2582968048
n×5
3228710060
n÷2
322871006
n÷3
215247337.33333
n÷3
161435503
n÷5
129148402.4
n2
416982746061808144
n3
2.6926327741124E+26
n4
1.7387461051325E+35
n5
1.1227814082854E+44
2 √n
25411.454346416
3 √n
864.34345448808
4 √n
159.40970593542
5 √n
57.811176610573
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-645742011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 645742012 can be divided by 6 positive divisors.
The sum of these divisors (counting 645742012) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110011111010011110110111100
3
Ternary
1200000002002111211
4
Quaternary
212133103312330
5
Quinary
2310302221022
6
Senary
144024254204
8
Octal
4637236674
10
Decimal
645742012
12
Duodecimal
160311364
16
Hexadecimal
267d3dbc
20
Vigesimal
a1fhf0c
36
Base36
aoghq4
md5
6fb8c743bfb70f7af89050065203a33e
sha1
fa129fc10cc605deaf8f1c31944f5b2b99ae1742
sha256
9db7835661aa08bf205142563d97513ba74eea40d5a6919312375e5a56b926bf
sha512
79a42727454113b5538c174a1b38c38ee722e7fd89feff271f04c5858e3a4a72c50b21e695f7039df4f0082528f9910b78e10557bc6da209476b3efb2595160a
ripemd-160
2abc71255cb4bdb36e9d7f1e561973c9cc49adad
Diameter
1291484024
Circumference
4057316722.027
Area
1.3099899317015E+18
Volume
1.1278873789289E+27
Surface area
5.2399597268059E+18
Circumference
4057316722.027
Perimeter
2582968048
Area
416982746061808144
Diagonal
913217111.16449
Surface area
2501896476370848864
Volume
2.6926327741124E+26
Space diagonal
1118457973.3658
Perimeter
1937226036
Area
1.8055882551466E+17
Altitude
559228986.68288
Surface area
1.8055882551466E+17
Volume
3.1732981563667E+25
Height
304405703.7215