145655221 is an odd 9-digits composite number following 145655220
and preceding 145655222 . In scientific notation, it is written as 1.45655221 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 143016192 positive integers (up to 145655221) that are relatively prime to 145655221.
145655221 has 8 divisors, whose sum is 148312280
The reverse of 145655221 is 122556541
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred forty-five million six hundred fifty-five thousand two hundred twenty-one
Scientific notation
1.45655221 × 10^8
Engineering notation
1.45655221 × 10^6
Prime Factorization
73 × 229 × 8713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
145655221
Product of the distinct prime numbers
The prime factorization of 145655221 is 73 × 229 × 8713.
Since it has a total of 3 prime factors.
9 , 10 , 39 , 42 , 190 , 958 , 6043 , 94 , 52525 , 4137 , 196430 , 361144 , 8746328 , 5789954 , 27678949 , 70192277 , 48520712 , 838374879 , 3603344960 , 5107676059
n×2
291310442
n×3
436965663
n×4
582620884
n×5
728276105
n÷2
72827610.5
n÷3
48551740.333333
n÷3
36413805.25
n÷5
29131044.2
n2
21215443404558841
n3
3.090140097704E+24
n4
4.5009503885204E+32
n5
6.5558692354997E+40
2 √n
12068.770484188
3 √n
526.14892268678
4 √n
109.85795594397
5 √n
42.920543354514
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
-145655220
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 145655221 can be divided by 8 positive divisors.
The sum of these divisors (counting 145655221) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101011101000010110110101
3
Ternary
101011002001101211
4
Quaternary
20223220112311
5
Quinary
244241431341
6
Senary
22241521421
8
Octal
1053502665
10
Decimal
145655221
12
Duodecimal
40943271
16
Hexadecimal
8ae85b5
20
Vigesimal
25a6i11
36
Base36
2epwad
md5
0057b49e4ac640a71c0b8a0d90c690db
sha1
2a3bbd065a68f882557c749d43929578de6dd2a0
sha256
767dc9a3229130c25c13f717b3bc87c5bf7bac232b8323d4a3c22a0f13e8aeec
sha512
f9eebc9b9afab65c584e67b02f51ff166b2421c2dcb7f133fc5f4e6516458f1de31e7c800ca465fc8b1b463e1a2bcdfa134896302e4560c098049cdf1b8ce669
ripemd-160
b089e89b4791f4324c37d817d1541abf79f03fc6
Diameter
291310442
Circumference
915178744.5012
Area
6.6650281142412E+16
Volume
1.294394857268E+25
Surface area
2.6660112456965E+17
Circumference
915178744.5012
Perimeter
582620884
Area
21215443404558841
Diagonal
205987588.96865
Surface area
127292660427353046
Volume
3.090140097704E+24
Space diagonal
252282243.15967
Perimeter
436965663
Area
9.1865564704495E+15
Altitude
126141121.57984
Surface area
9.1865564704495E+15
Volume
3.6417650298383E+23
Height
68662529.656217