645528091 is an odd 9-digits composite number following 645528090
and preceding 645528092 . In scientific notation, it is written as 6.45528091 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 594490752 positive integers (up to 645528091) that are relatively prime to 645528091.
645528091 has 8 divisors, whose sum is 696795680
The reverse of 645528091 is 190825546
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred forty-five million five hundred twenty-eight thousand ninety-one
Scientific notation
6.45528091 × 10^8
Engineering notation
6.45528091 × 10^6
Prime Factorization
13 × 433 × 114679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
645528091
Product of the distinct prime numbers
The prime factorization of 645528091 is 13 × 433 × 114679.
Since it has a total of 3 prime factors.
4 , 4 , 54 , 6 , 450 , 159 , 4400 , 1401 , 95397 , 65832 , 259697 , 85601 , 3350047 , 3058433 , 58169997 , 21593352 , 133111633 , 864243636 , 5261996612 , 1077169773
n×2
1291056182
n×3
1936584273
n×4
2582112364
n×5
3227640455
n÷2
322764045.5
n÷3
215176030.33333
n÷3
161382022.75
n÷5
129105618.2
n2
416706516270104281
n3
2.689957619551E+26
n4
1.7364432070197E+35
n5
1.1209228685573E+44
2 √n
25407.244852601
3 √n
864.2479975644
4 √n
159.39650200867
5 √n
57.807345772999
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-645528090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 645528091 can be divided by 8 positive divisors.
The sum of these divisors (counting 645528091) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011110011111101000011011
3
Ternary
1122222200020001211
4
Quaternary
212132133220123
5
Quinary
2310223344331
6
Senary
144015523551
8
Octal
4636375033
10
Decimal
645528091
12
Duodecimal
1602295b7
16
Hexadecimal
2679fa1b
20
Vigesimal
a1eb04b
36
Base36
aobwnv
md5
cd308b8502505f94b508adb5117da740
sha1
ff4a68a4f32ff77c8db1f31a5fc6fa85af3b5319
sha256
1cfe001540b18ca189e5ab1a60f3519f4c7220583795d27c0cc3ac588f73b2f3
sha512
64dc63d85d29e86afda1687c8b5d564dc7325bef5b4377447082318305e6a015ff58b7fcc26cd057c518d229125c60cb37cdadd31be66294bb6dfaea7c44153b
ripemd-160
6e8265e78a200f2a1f0249102032a42f17aa23eb
Diameter
1291056182
Circumference
4055972616.7429
Area
1.3091221302172E+18
Volume
1.1267668128066E+27
Surface area
5.2364885208686E+18
Circumference
4055972616.7429
Perimeter
2582112364
Area
416706516270104281
Diagonal
912914581.18501
Surface area
2500239097620625686
Volume
2.689957619551E+26
Space diagonal
1118087451.3249
Perimeter
1936584273
Area
1.8043921450621E+17
Altitude
559043725.66247
Surface area
1.8043921450621E+17
Volume
3.1701454564816E+25
Height
304304860.395