145291215 is an odd 9-digits composite number following 145291214
and preceding 145291216 . In scientific notation, it is written as 1.45291215 × 10^8.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 77488640 positive integers (up to 145291215) that are relatively prime to 145291215.
145291215 has 4 divisors, whose sum is 154977312
The reverse of 145291215 is 512192541
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred forty-five million two hundred ninety-one thousand two hundred fifteen
Scientific notation
1.45291215 × 10^8
Engineering notation
1.45291215 × 10^6
Prime Factorization
15 × 9686081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
145291215
Product of the distinct prime numbers
The prime factorization of 145291215 is 15 × 9686081.
Since it has a total of 2 prime factors.
2 , 8 , 9 , 62 , 557 , 702 , 3676 , 1958 , 94508 , 93599 , 281513 , 872530 , 1015579 , 7837831 , 3438614 , 26905000 , 854630572 , 770723104 , 1040006580 , 3796408138
n×2
290582430
n×3
435873645
n×4
581164860
n×5
726456075
n÷2
72645607.5
n÷3
48430405
n÷3
36322803.75
n÷5
29058243
n2
21109537156176225
n3
3.0670303015085E+24
n4
4.4561255894798E+32
n5
6.4743590108812E+40
2 √n
12053.680558236
3 √n
525.71025863119
4 √n
109.78925520394
5 √n
42.899069388355
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145291214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145291215 can be divided by 4 positive divisors.
The sum of these divisors (counting 145291215) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101010001111011111001111
3
Ternary
101010101120002010
4
Quaternary
20222033133033
5
Quinary
244143304330
6
Senary
22230032303
8
Octal
1052173717
10
Decimal
145291215
12
Duodecimal
407a8693
16
Hexadecimal
8a8f7cf
20
Vigesimal
258180f
36
Base36
2ei3f3
md5
8ba654d14223da39bb46244fa6073a94
sha1
190664cb26d6afee51566ac414e2302ddaf9e5a3
sha256
fce384fafd3a69c9fc178da24967a0bd5cfbb106a6f21783ab09e80551115282
sha512
4cd781afb9bbb14086479c3095208b23933502742cc2426b4cc7186dd356ce211fb4b072e3c63ca711e542a89d215ef8cfb18acb9caa7c3d93ab7d88451d8a90
ripemd-160
7df3be9c39847c5c31353b887875c61fa8173182
Diameter
290582430
Circumference
912891627.35027
Area
6.6317566850524E+16
Volume
1.2847146484742E+25
Surface area
2.652702674021E+17
Circumference
912891627.35027
Perimeter
581164860
Area
21109537156176225
Diagonal
205472806.74667
Surface area
126657222937057350
Volume
3.0670303015085E+24
Space diagonal
251651766.27341
Perimeter
435873645
Area
9.1406977196901E+15
Altitude
125825883.13671
Surface area
9.1406977196901E+15
Volume
3.6145298738355E+23
Height
68490935.582222