145428221 is an odd 9-digits prime number following 145428220
and preceding 145428222 . In scientific notation, it is written as 1.45428221 × 10^8.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 145428220 positive integers (up to 145428221) that are relatively prime to 145428221.
145428221 has 2 divisors, whose sum is 145428222
The reverse of 145428221 is 122824541
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 29 Digital Root 2
Name
one hundred forty-five million four hundred twenty-eight thousand two hundred twenty-one
Scientific notation
1.45428221 × 10^8
Engineering notation
1.45428221 × 10^6
Prime Factorization
145428221
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
145428221 Product of the distinct prime numbers
The prime factorization of 145428221 is 145428221.
Since it has a total of 1 prime factors.
2 , 2 , 52 , 63 , 215 , 700 , 3833 , 6656 , 36546 , 7334 , 913590 , 80364 , 9555126 , 5804242 , 39267820 , 90276476 , 239662639 , 83074550 , 9949312950 , 3798998754
n×2
290856442
n×3
436284663
n×4
581712884
n×5
727141105
n÷2
72714110.5
n÷3
48476073.666667
n÷3
36357055.25
n÷5
29085644.2
n2
21149367463224841
n3
3.0757148854521E+24
n4
4.4729574409451E+32
n5
6.5049424324536E+40
2 √n12059.362379496
3 √n525.87545061507
4 √n109.8151281905
5 √n42.907156889373
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
145428222 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
72714111 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12059.362420957 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999862475 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145428221 can be divided by 2 positive divisors.
The sum of these divisors (counting 145428221) is 145428222, the average is 72714111.
Base
System
Value
2
Binary
1000101010110000111011111101
3
Ternary
101010122112000102
4
Quaternary
20222300323331
5
Quinary
244212200341
6
Senary
22233010445
8
Octal
1052607375
10
Decimal
145428221
12
Duodecimal
40853a25
16
Hexadecimal
8ab0efd
20
Vigesimal
258iab1
36
Base36
2el14t
md5
9ec338dbdd91663e20348fd1efb86df9
sha1
862953fb78838b2464d7cec0116c8014a79868f0
sha256
63203664b71a2f14c3c853bf8f3f9f7561fc625ea8713e9d3e0fa8f4f8c4a92f
sha512
fd99f62898d5ce047b46b778893073406550034398e00f5cd19b67cbcf0c4256f25556c7f7147473d1502e22b5d22f0fc4b676e0e92cf4a174cad8a5a82a9be6
ripemd-160
3a5bea4607d5ce39f99d41a10fe8c8909ef9dafe
Diameter
290856442
Circumference
913752461.43647
Area
6.6442697450538E+16
Volume
1.2883524384897E+25
Surface area
2.6577078980215E+17
Circumference
913752461.43647
Perimeter
581712884
Area
21149367463224841
Diagonal
205666562.48999
Surface area
126896204779349046
Volume
3.0757148854521E+24
Space diagonal
251889067.62636
Perimeter
436284663
Area
9.1579447485624E+15
Altitude
125944533.81318
Surface area
9.1579447485624E+15
Volume
3.6247647541659E+23
Height
68555520.829997