145291221 (number)

145291221 is an odd 9-digits composite number following 145291220 and preceding 145291222. In scientific notation, it is written as 1.45291221 × 10^8. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 96860808 positive integers (up to 145291221) that are relatively prime to 145291221.

Interesting facts

Basic properties

Name

Name one hundred forty-five million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 1.45291221 × 10^8
Engineering notation 1.45291221 × 10^6

Prime Factorization of 145291221

Prime Factorization 3 × 3 × 16143469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 48430407
Product of the distinct prime numbers

The prime factorization of 145291221 is 3 × 3 × 16143469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 16, 13, 769, 562, 6406, 4932, 52793, 54762, 229110, 143374, 2570230, 8434068, 99820466, 48820297, 696013540, 431686927, 8825476177, 5340516461

Basic calculations (n = 145291221)

Multiplication

n×y
n×2 290582442
n×3 435873663
n×4 581164884
n×5 726456105

Division

n÷y
n÷2 72645610.5
n÷3 48430407
n÷3 36322805.25
n÷5 29058244.2

Exponentiation

ny
n2 21109538899670841
n3 3.0670306814802E+24
n4 4.4561263255672E+32
n5 6.474360347719E+40

Nth Root

y√n
2√n 12053.680807123
3√n 525.71026586783
4√n 109.78925633742
5√n 42.89906974267

Divisors of 145291221

1, 3, 9, 16143469, 48430407, 145291221

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -145291220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 145291221 can be divided by 6 positive divisors. The sum of these divisors (counting 145291221) is 1, the average is 0.16666666666667.

Base conversion 145291221

Base System Value
2 Binary 1000101010001111011111010101
3 Ternary 101010101120002100
4 Quaternary 20222033133111
5 Quinary 244143304341
6 Senary 22230032313
8 Octal 1052173725
10 Decimal 145291221
12 Duodecimal 407a8699
16 Hexadecimal 8a8f7d5
20 Vigesimal 2581811
36 Base36 2ei3f9

Cryptographic Hash Functions

md5 42c42c96b0789b15256f970fdc3d5f8e
sha1 d82553db6d9a4983d943f04eeb4549619065f0c5
sha256 2cdb0ddf49f14f913de31adbcdf0c935378c4536b8d531d31d21c47db3597a7b
sha512 8fd1816d000f4a963efd2c761092fbc66615c78ad2f678db8fdcb2fb40158950d693005f4d3fcf5e48fd0d385d4bec068f8bbe5912fcc5fccec50353bf7d81db
ripemd-160 7a55e08506c15b79fb8b4247b1d7b803b3a70dd8

145291221 as geometric shapes

Circle

Radius = n
Diameter 290582442
Circumference 912891665.04938
Area 6.6317572327874E+16

Sphere

Radius = n
Volume 1.2847148076363E+25
Surface area 2.652702893115E+17
Circumference 912891665.04938

Square

Length = n
Perimeter 581164884
Area 21109538899670841
Diagonal 205472815.23195

Cube

Length = n
Surface area 126657233398025046
Volume 3.0670306814802E+24
Space diagonal 251651776.66572

Equilateral Triangle

Length = n
Perimeter 435873663
Area 9.1406984746454E+15
Altitude 125825888.33286

Triangular Pyramid

Length = n
Surface area 9.1406984746454E+15
Volume 3.6145303216364E+23
Height 68490938.410649