645155164 is an even 9-digits composite number following 645155163
and preceding 645155165 . In scientific notation, it is written as 6.45155164 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 322577580 positive integers (up to 645155164) that are relatively prime to 645155164.
645155164 has 6 divisors, whose sum is 1129021544
The reverse of 645155164 is 461551546
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred forty-five million one hundred fifty-five thousand one hundred sixty-four
Scientific notation
6.45155164 × 10^8
Engineering notation
6.45155164 × 10^6
Prime Factorization
2 × 2 × 161288791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
322577582
Product of the distinct prime numbers
The prime factorization of 645155164 is 2 × 2 × 161288791.
Since it has a total of 3 prime factors.
2 , 9 , 36 , 54 , 251 , 196 , 7473 , 9955 , 88771 , 94958 , 932092 , 469734 , 1850816 , 9993579 , 42524252 , 72577162 , 911943965 , 723982722 , 2895260452 , 2110058921
n×2
1290310328
n×3
1935465492
n×4
2580620656
n×5
3225775820
n÷2
322577582
n÷3
215051721.33333
n÷3
161288791
n÷5
129031032.8
n2
416225185635866896
n3
2.6852982789984E+26
n4
1.7324340515761E+35
n5
1.1176887746638E+44
2 √n
25399.904802971
3 √n
864.08153772952
4 √n
159.37347584517
5 √n
57.800665071186
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
-645155163
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 645155164 can be divided by 6 positive divisors.
The sum of these divisors (counting 645155164) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110011101000100100101011100
3
Ternary
1122221222021111201
4
Quaternary
212131010211130
5
Quinary
2310124431124
6
Senary
144003525244
8
Octal
4635044534
10
Decimal
645155164
12
Duodecimal
160089824
16
Hexadecimal
2674495c
20
Vigesimal
a1c47i4
36
Base36
ao3wws
md5
46112ca280bea056f91d290cbd69958d
sha1
14b42a011a3155e682fd8e10d6bd6696a9ea07c0
sha256
ea0f4107ad5040f735ab04958ef0d0c1898997bc35e8c1094f29c5440dc3ca8c
sha512
cf840fd137e31d6da47f7afe71a9b502e5df26af21186aaf5254ce7630385578ee2e6e885f3b7e171996fae2f170fe301945423b1c0f8e6f6e4fa49b5feabdd1
ripemd-160
18edc7561448ae0819afddfd88ef05cbd18ed84c
Diameter
1290310328
Circumference
4053629447.2958
Area
1.3076099854327E+18
Volume
1.1248151127998E+27
Surface area
5.2304399417307E+18
Circumference
4053629447.2958
Perimeter
2580620656
Area
416225185635866896
Diagonal
912387182.76384
Surface area
2497351113815201376
Volume
2.6852982789984E+26
Space diagonal
1117441522.8134
Perimeter
1935465492
Area
1.8023079222778E+17
Altitude
558720761.40672
Surface area
1.8023079222778E+17
Volume
3.1646543709805E+25
Height
304129060.92128