145331381 is an odd 9-digits composite number following 145331380
and preceding 145331382 . In scientific notation, it is written as 1.45331381 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 133151616 positive integers (up to 145331381) that are relatively prime to 145331381.
145331381 has 12 divisors, whose sum is 158544612
The reverse of 145331381 is 183133541
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred forty-five million three hundred thirty-one thousand three hundred eighty-one
Scientific notation
1.45331381 × 10^8
Engineering notation
1.45331381 × 10^6
Prime Factorization
13 × 13 × 137 × 6277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
11179337
Product of the distinct prime numbers
The prime factorization of 145331381 is 13 × 13 × 137 × 6277.
Since it has a total of 4 prime factors.
9 , 2 , 55 , 98 , 536 , 46 , 9442 , 4135 , 80321 , 72519 , 669436 , 160454 , 9817186 , 3606184 , 96202621 , 57523014 , 153541225 , 47312278 , 9843429434 , 5869968743
n×2
290662762
n×3
435994143
n×4
581325524
n×5
726656905
n÷2
72665690.5
n÷3
48443793.666667
n÷3
36332845.25
n÷5
29066276.2
n2
21121210303367161
n3
3.0695746617798E+24
n4
4.4610552467906E+32
n5
6.4833131973338E+40
2 √n
12055.346573201
3 √n
525.75869866184
4 √n
109.79684227336
5 √n
42.901441030044
1 , 13 , 137 , 169 , 1781 , 6277 , 23153 , 81601 , 859949 , 1060813 , 11179337 , 145331381
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
-145331380
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 145331381 can be divided by 12 positive divisors.
The sum of these divisors (counting 145331381) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101010011001010010110101
3
Ternary
101010110121011202
4
Quaternary
20222121102311
5
Quinary
244201101011
6
Senary
22230542245
8
Octal
1052312265
10
Decimal
145331381
12
Duodecimal
40807985
16
Hexadecimal
8a994b5
20
Vigesimal
2586891
36
Base36
2eiyet
md5
87af60023d288a276e1c580866b09c08
sha1
fbd14b6be5860949e97c945e7e6d744eed8d537a
sha256
7e8dce09c1e1a12e21ab50900da08589e048bf3efd6f46c92571b979e0eb0a6f
sha512
7d9ba464bc02a22ed3e83d8ab999e435b0d3d26a8274868194c53576314c1978070096b49d053d986fb664afa09466f45644a5c3cd9ee13926f34a3b714a952f
ripemd-160
d35cbe3f06c261aa8c6b3251d5512f68e96072c2
Diameter
290662762
Circumference
913143997.77132
Area
6.6354239123983E+16
Volume
1.2857804276124E+25
Surface area
2.6541695649593E+17
Circumference
913143997.77132
Perimeter
581325524
Area
21121210303367161
Diagonal
205529610.04861
Surface area
126727261820202966
Volume
3.0695746617798E+24
Space diagonal
251721335.82615
Perimeter
435994143
Area
9.1457523406948E+15
Altitude
125860667.91308
Surface area
9.1457523406948E+15
Volume
3.6175284311715E+23
Height
68509870.016204