145220642 is an even 9-digits composite number following 145220641
and preceding 145220643 . In scientific notation, it is written as 1.45220642 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 62237412 positive integers (up to 145220642) that are relatively prime to 145220642.
145220642 has 8 divisors, whose sum is 248949696
The reverse of 145220642 is 246022541
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred forty-five million two hundred twenty thousand six hundred forty-two
Scientific notation
1.45220642 × 10^8
Engineering notation
1.45220642 × 10^6
Prime Factorization
2 × 7 × 10372903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
145220642
Product of the distinct prime numbers
The prime factorization of 145220642 is 2 × 7 × 10372903.
Since it has a total of 3 prime factors.
1 , 1 , 7 , 10 , 796 , 909 , 2965 , 6602 , 76306 , 22064 , 252950 , 332120 , 8387288 , 559628 , 75819914 , 84906488 , 921589963 , 889333710 , 8777177422 , 5235594642
n×2
290441284
n×3
435661926
n×4
580882568
n×5
726103210
n÷2
72610321
n÷3
48406880.666667
n÷3
36305160.5
n÷5
29044128.4
n2
21089034862892164
n3
3.0625631819496E+24
n4
4.4474739144828E+32
n5
6.4586501713945E+40
2 √n
12050.752756571
3 √n
525.62512625578
4 √n
109.77592065918
5 √n
42.894901064175
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
-145220641
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 145220642 can be divided by 8 positive divisors.
The sum of these divisors (counting 145220642) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101001111110010000100010
3
Ternary
101010020222021022
4
Quaternary
20221332100202
5
Quinary
244134030032
6
Senary
22224325442
8
Octal
1051762042
10
Decimal
145220642
12
Duodecimal
40773882
16
Hexadecimal
8a7e422
20
Vigesimal
257cbc2
36
Base36
2egkyq
md5
a722c687127cd8a4d84ac0c1089e61dc
sha1
99af6fdd4014bc27f22ab217dfc64e54c2ccb951
sha256
a51b3641202fb7c2fd7e5a185962bb9db786cf344f487c5e54c0b0985446ae0a
sha512
fcf03438d34babf662c86a4b9acf65a24460cff7494190516f0cd9c16d941ab7c3285a8ea960039bbc8719b2bf4fb91be7e873c6f8a9fd241355e9a258b1c988
ripemd-160
57bb9f626269c1e9e1c4223dd5cb58f38c261443
Diameter
290441284
Circumference
912448204.11359
Area
6.6253156996561E+16
Volume
1.282843465809E+25
Surface area
2.6501262798624E+17
Circumference
912448204.11359
Perimeter
580882568
Area
21089034862892164
Diagonal
205373001.45293
Surface area
126534209177352984
Volume
3.0625631819496E+24
Space diagonal
251529530.25177
Perimeter
435661926
Area
9.1318199662801E+15
Altitude
125764765.12589
Surface area
9.1318199662801E+15
Volume
3.609265322948E+23
Height
68457667.150976