145220491 is an odd 9-digits composite number following 145220490
and preceding 145220492 . In scientific notation, it is written as 1.45220491 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 133957152 positive integers (up to 145220491) that are relatively prime to 145220491.
145220491 has 8 divisors, whose sum is 156499280
The reverse of 145220491 is 194022541
Previous prime number is 5779
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred forty-five million two hundred twenty thousand four hundred ninety-one
Scientific notation
1.45220491 × 10^8
Engineering notation
1.45220491 × 10^6
Prime Factorization
13 × 5779 × 1933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
145220491
Product of the distinct prime numbers
The prime factorization of 145220491 is 13 × 5779 × 1933.
Since it has a total of 3 prime factors.
3 , 10 , 52 , 31 , 274 , 874 , 3740 , 2260 , 1210 , 6454 , 353872 , 118657 , 9727756 , 2547919 , 46569183 , 43217035 , 745315647 , 714477289 , 4495488936 , 896515399
n×2
290440982
n×3
435661473
n×4
580881964
n×5
726102455
n÷2
72610245.5
n÷3
48406830.333333
n÷3
36305122.75
n÷5
29044098.2
n2
21088991006281081
n3
3.0625536286267E+24
n4
4.44745541663E+32
n5
6.4586165930362E+40
2 √n
12050.7464914
3 √n
525.62494407456
4 √n
109.775892123
5 √n
42.894892143772
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
-145220490
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 145220491 can be divided by 8 positive divisors.
The sum of these divisors (counting 145220491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101001111110001110001011
3
Ternary
101010020222001201
4
Quaternary
20221332032023
5
Quinary
244134023431
6
Senary
22224325031
8
Octal
1051761613
10
Decimal
145220491
12
Duodecimal
40773777
16
Hexadecimal
8a7e38b
20
Vigesimal
257cb4b
36
Base36
2egkuj
md5
09fa45848159532bb7834f175e7db1df
sha1
e814000dc6050e9aaf59c9ba625dff8fb371b889
sha256
aac06bc87f9e6e2411387fd9dce5cd477ae4645b8de090f7b0a24593c48c1bb3
sha512
0fca7af3b598a9f946bb19e571c5e1553d4cb109f6b9090a726fb16f99651ac28b03170dc6773b1e4c21da44a66b4a1d28d1aab169485cc5a05b16be2f9a0bea
ripemd-160
7b4cb3946a7e2e4eb8fcf7d848dd3b1822bed3f2
Diameter
290440982
Circumference
912447255.35261
Area
6.6253019216954E+16
Volume
1.2828394641225E+25
Surface area
2.6501207686782E+17
Circumference
912447255.35261
Perimeter
580881964
Area
21088991006281081
Diagonal
205372787.90668
Surface area
126533946037686486
Volume
3.0625536286267E+24
Space diagonal
251529268.7121
Perimeter
435661473
Area
9.1318009758105E+15
Altitude
125764634.35605
Surface area
9.1318009758105E+15
Volume
3.609254064249E+23
Height
68457595.968893