645492072 is an even 9-digits composite number following 645492071
and preceding 645492073 . In scientific notation, it is written as 6.45492072 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 215164016 positive integers (up to 645492072) that are relatively prime to 645492072.
645492072 has 16 divisors, whose sum is 1613730240
The reverse of 645492072 is 270294546
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
six hundred forty-five million four hundred ninety-two thousand seventy-two
Scientific notation
6.45492072 × 10^8
Engineering notation
6.45492072 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 26895503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161373018
Product of the distinct prime numbers
The prime factorization of 645492072 is 2 × 2 × 2 × 3 × 26895503.
Since it has a total of 5 prime factors.
3 , 10 , 39 , 71 , 284 , 643 , 3139 , 1015 , 7347 , 81171 , 574393 , 882067 , 4712051 , 8995904 , 88761099 , 22426069 , 85201130 , 975984336 , 7175336190 , 9600123652
n×2
1290984144
n×3
1936476216
n×4
2581968288
n×5
3227460360
n÷2
322746036
n÷3
215164024
n÷3
161373018
n÷5
129098414.4
n2
416660015014853184
n3
2.6895073641149E+26
n4
1.7360556811218E+35
n5
1.1206101787147E+44
2 √n
25406.53600946
3 √n
864.23192290757
4 √n
159.39427847153
5 √n
57.806700654905
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 26895503 , 53791006 , 80686509 , 107582012 , 161373018 , 215164024 , 322746036 , 645492072
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
-645492071
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 645492072 can be divided by 16 positive divisors.
The sum of these divisors (counting 645492072) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011110010110110101101000
3
Ternary
1122222121101122210
4
Quaternary
212132112311220
5
Quinary
2310221221242
6
Senary
144015045120
8
Octal
4636266550
10
Decimal
645492072
12
Duodecimal
1602107a0
16
Hexadecimal
26796d68
20
Vigesimal
a1e6a3c
36
Base36
aob4vc
md5
9e85e2fa9b4144ee3f8df20cc45ed7ed
sha1
00389654d46c943f2bd4ab0e69b456f149855706
sha256
26fe6f3de1c3d52cb0a13cef77cc38493a5140edb3d14365bcf97e260ccf7f87
sha512
6d3cdb52927e059786ab951f4890a403d2fedcfc9dbc32b5d9c23b434ad26cb37672d8bc3134ffa605d5145318d630b68c8874a7702fc3339e67cad992325aa5
ripemd-160
05f881b43576983bd9ca51b4537f5cab4f997cf6
Diameter
1290984144
Circumference
4055746302.6913
Area
1.3089760422153E+18
Volume
1.1265782102505E+27
Surface area
5.2359041688611E+18
Circumference
4055746302.6913
Perimeter
2581968288
Area
416660015014853184
Diagonal
912863642.62671
Surface area
2499960090089119104
Volume
2.6895073641149E+26
Space diagonal
1118025064.5869
Perimeter
1936476216
Area
1.8041907887203E+17
Altitude
559012532.29345
Surface area
1.8041907887203E+17
Volume
3.1696148253613E+25
Height
304287880.87557