145105894 is an even 9-digits composite number following 145105893
and preceding 145105895 . In scientific notation, it is written as 1.45105894 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 72552946 positive integers (up to 145105894) that are relatively prime to 145105894.
145105894 has 4 divisors, whose sum is 217658844
The reverse of 145105894 is 498501541
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred forty-five million one hundred five thousand eight hundred ninety-four
Scientific notation
1.45105894 × 10^8
Engineering notation
1.45105894 × 10^6
Prime Factorization
2 × 72552947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
145105894
Product of the distinct prime numbers
The prime factorization of 145105894 is 2 × 72552947.
Since it has a total of 2 prime factors.
9 , 3 , 98 , 83 , 766 , 444 , 1376 , 2749 , 23608 , 42448 , 934439 , 765529 , 8852786 , 6920567 , 91935175 , 98812506 , 633638705 , 96380974 , 613060020 , 5945729349
n×2
290211788
n×3
435317682
n×4
580423576
n×5
725529470
n÷2
72552947
n÷3
48368631.333333
n÷3
36276473.5
n÷5
29021178.8
n2
21055720473539236
n3
3.055309143127E+24
n4
4.4334336465982E+32
n5
6.4331735277931E+40
2 √n
12045.990785319
3 √n
525.48664657361
4 √n
109.75422900881
5 √n
42.888120126584
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145105893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145105894 can be divided by 4 positive divisors.
The sum of these divisors (counting 145105894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101001100010001111100110
3
Ternary
101010001010212101
4
Quaternary
20221202033212
5
Quinary
244121342034
6
Senary
22222042314
8
Octal
1051421746
10
Decimal
145105894
12
Duodecimal
4071939a
16
Hexadecimal
8a623e6
20
Vigesimal
256i4ee
36
Base36
2ee4fa
md5
b8745dd47a3191f4df552c80c3d1e567
sha1
ed18b2ed67814780601a22ed716e404ec5f78145
sha256
0c9f1564870098652554714442c3427fe58e4c5fbdbc6c322e430ac860ee4df9
sha512
fbfa9c827c3889eeb14db998b7201ae6135d9c6c13e0b135f17211d45c7301707e99a41389ea767aeffbc7bddf99663673bb8527199c80397157f2c2d6691acd
ripemd-160
5727dd6a54936ef7428f6bd0667c05a6ac1ad976
Diameter
290211788
Circumference
911727221.16596
Area
6.6148496755711E+16
Volume
1.2798049011325E+25
Surface area
2.6459398702284E+17
Circumference
911727221.16596
Perimeter
580423576
Area
21055720473539236
Diagonal
205210723.27507
Surface area
126334322841235416
Volume
3.055309143127E+24
Space diagonal
251330780.8857
Perimeter
435317682
Area
9.1173944125345E+15
Altitude
125665390.44285
Surface area
9.1173944125345E+15
Volume
3.6007163562106E+23
Height
68403574.425024