145440661 is an odd 9-digits composite number following 145440660
and preceding 145440662 . In scientific notation, it is written as 1.45440661 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 130933440 positive integers (up to 145440661) that are relatively prime to 145440661.
145440661 has 8 divisors, whose sum is 160691904
The reverse of 145440661 is 166044541
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred forty-five million four hundred forty thousand six hundred sixty-one
Scientific notation
1.45440661 × 10^8
Engineering notation
1.45440661 × 10^6
Prime Factorization
17 × 23 × 371971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
145440661
Product of the distinct prime numbers
The prime factorization of 145440661 is 17 × 23 × 371971.
Since it has a total of 3 prime factors.
1 , 1 , 13 , 70 , 525 , 82 , 9549 , 3129 , 32205 , 45587 , 332039 , 355081 , 7892917 , 2047329 , 43476564 , 82927984 , 985503471 , 850649984 , 7720861183 , 8118678913
n×2
290881322
n×3
436321983
n×4
581762644
n×5
727203305
n÷2
72720330.5
n÷3
48480220.333333
n÷3
36360165.25
n÷5
29088132.2
n2
21152985872116921
n3
3.0765042473643E+24
n4
4.4744881130598E+32
n5
6.5077250880006E+40
2 √n
12059.878150297
3 √n
525.89044473391
4 √n
109.8174765249
5 √n
42.907890924027
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
-145440660
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 145440661 can be divided by 8 positive divisors.
The sum of these divisors (counting 145440661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101010110011111110010101
3
Ternary
101010200011002011
4
Quaternary
20222303332111
5
Quinary
244213100121
6
Senary
22233144221
8
Octal
1052637625
10
Decimal
145440661
12
Duodecimal
4085b071
16
Hexadecimal
8ab3f95
20
Vigesimal
25901d1
36
Base36
2elaqd
md5
b94bb0b9a4b220a47126d3aa46be0f4d
sha1
816ffa88b7532b38f2bc7b9906836e200ce9b97d
sha256
dbeb8705913770f26ef7df3f7ce9562627b3ff97dfe33f22b36fa950dfe7ed02
sha512
ecf84a8d288d730507cd2a68e30bdfb7515ade10ef68b429e9278474e248c693ed1a3b8377a766d77d0a6562843dfad8b51a0fd02bf5c0a2c13bf010a5276506
ripemd-160
392f9b6508339b9fe2a62a1ba2ce0a11e404b598
Diameter
290881322
Circumference
913830624.26169
Area
6.6454065017331E+16
Volume
1.2886830856343E+25
Surface area
2.6581626006932E+17
Circumference
913830624.26169
Perimeter
581762644
Area
21152985872116921
Diagonal
205684155.30671
Surface area
126917915232701526
Volume
3.0765042473643E+24
Space diagonal
251910614.3384
Perimeter
436321983
Area
9.1595115655733E+15
Altitude
125955307.1692
Surface area
9.1595115655733E+15
Volume
3.6256950261009E+23
Height
68561385.102236