645208052 is an even 9-digits composite number following 645208051
and preceding 645208053 . In scientific notation, it is written as 6.45208052 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 308577720 positive integers (up to 645208052) that are relatively prime to 645208052.
645208052 has 12 divisors, whose sum is 1178206176
The reverse of 645208052 is 250802546
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred forty-five million two hundred eight thousand fifty-two
Scientific notation
6.45208052 × 10^8
Engineering notation
6.45208052 × 10^6
Prime Factorization
2 × 2 × 23 × 7013131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
322604026
Product of the distinct prime numbers
The prime factorization of 645208052 is 2 × 2 × 23 × 7013131.
Since it has a total of 4 prime factors.
4 , 2 , 41 , 30 , 930 , 598 , 2769 , 4981 , 81884 , 51333 , 874954 , 501746 , 3815388 , 9426519 , 66036184 , 36746048 , 250628821 , 61541892 , 4327080191 , 1669927707
n×2
1290416104
n×3
1935624156
n×4
2580832208
n×5
3226040260
n÷2
322604026
n÷3
215069350.66667
n÷3
161302013
n÷5
129041610.4
n2
416293430365634704
n3
2.6859587326661E+26
n4
1.7330022016559E+35
n5
1.1181469746421E+44
2 √n
25400.9458879
3 √n
864.10514873981
4 √n
159.37674199173
5 √n
57.801612707199
1 , 2 , 4 , 23 , 46 , 92 , 7013131 , 14026262 , 28052524 , 161302013 , 322604026 , 645208052
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
-645208051
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 645208052 can be divided by 12 positive divisors.
The sum of these divisors (counting 645208052) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110011101010001011111110100
3
Ternary
1122222001222001112
4
Quaternary
212131101133310
5
Quinary
2310133124202
6
Senary
144005014152
8
Octal
4635213764
10
Decimal
645208052
12
Duodecimal
1600b4358
16
Hexadecimal
267517f4
20
Vigesimal
a1cb02c
36
Base36
ao51pw
md5
56e9380bb9fea5803406a0e70aa0bfc3
sha1
8ff8c8cd693281b541b33d1c770b7189a1345973
sha256
1bcc46162014eef699c3478b51465d583a7f4a6ae1c0789faded113933d0c719
sha512
438ffb1c104477f31d300660ffc72e9551f0d73eb3c185926f2464803fbff8b015de061dc18b04b69fe6bd6b61e051df5c4c25fa1464b27d249160fcb77ff011
ripemd-160
0a9f20d019d523f1fb412cdc700b981fbed9a707
Diameter
1290416104
Circumference
4053961752.4004
Area
1.3078243825744E+18
Volume
1.1250917629852E+27
Surface area
5.2312975302975E+18
Circumference
4053961752.4004
Perimeter
2580832208
Area
416293430365634704
Diagonal
912461977.69073
Surface area
2497760582193808224
Volume
2.6859587326661E+26
Space diagonal
1117533127.5165
Perimeter
1935624156
Area
1.802603430626E+17
Altitude
558766563.75827
Surface area
1.802603430626E+17
Volume
3.1654327230924E+25
Height
304153992.56358