145742905 (number)

145742905 is an odd 9-digits composite number following 145742904 and preceding 145742906. In scientific notation, it is written as 1.45742905 × 10^8. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 88569600 positive integers (up to 145742905) that are relatively prime to 145742905.

Interesting facts

Basic properties

Name

Name one hundred forty-five million seven hundred forty-two thousand nine hundred five

Notation

Scientific notation 1.45742905 × 10^8
Engineering notation 1.45742905 × 10^6

Prime Factorization of 145742905

Prime Factorization 1319 × 11 × 205 × 7 × 7

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20820415
Product of the distinct prime numbers

The prime factorization of 145742905 is 1319 × 11 × 205 × 7 × 7. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 19, 61, 695, 613, 9949, 7430, 12456, 13361, 259568, 630924, 6337907, 9983342, 96582388, 57898278, 533779596, 757361681, 8431646964, 3465003417

Basic calculations (n = 145742905)

Multiplication

n×y
n×2 291485810
n×3 437228715
n×4 582971620
n×5 728714525

Division

n÷y
n÷2 72871452.5
n÷3 48580968.333333
n÷3 36435726.25
n÷5 29148581

Exponentiation

ny
n2 21240994357839025
n3 3.0957242228001E+24
n4 4.5117984130975E+32
n5 6.5756260749922E+40

Nth Root

y√n
2√n 12072.402619197
3√n 526.2544815246
4√n 109.87448575168
5√n 42.925709717919

Divisors of 145742905

1, 7, 11, 49, 77, 205, 539, 1319, 1435, 2255, 9233, 10045, 14509, 15785, 64631, 101563, 110495, 270395, 710941, 1892765, 2974345, 13249355, 20820415, 145742905

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -145742904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 145742905 can be divided by 24 positive divisors. The sum of these divisors (counting 145742905) is 1, the average is 0.041666666666667.

Base conversion 145742905

Base System Value
2 Binary 1000101011111101110000111001
3 Ternary 101011020111200101
4 Quaternary 20223331300321
5 Quinary 244302233110
6 Senary 22243435401
8 Octal 1053756071
10 Decimal 145742905
12 Duodecimal 40985b61
16 Hexadecimal 8afdc39
20 Vigesimal 25ahh55
36 Base36 2erry1

Cryptographic Hash Functions

md5 bb6266ed783c85c4142a4f6250a70926
sha1 31d341317e535c95cb01e067821755ced03c6224
sha256 a5966347d40d8b090abc491aacb6348584dae6fcb8f37d93aa562cd3013899ee
sha512 48734cd8e084b03b92ff178866bd78dea11754b18be7ec5f25d9048ee3bf748d5ccf77285d7346f21eecca051ce6eda0fe1ea8a653b9c70724c7ca74305ab005
ripemd-160 c815c3b4cd5073ca36c51c1414ce5a63b5fbb31d

145742905 as geometric shapes

Circle

Radius = n
Diameter 291485810
Circumference 915729679.32167
Area 6.6730551829529E+16

Sphere

Radius = n
Volume 1.2967339301185E+25
Surface area 2.6692220731812E+17
Circumference 915729679.32167

Square

Length = n
Perimeter 582971620
Area 21240994357839025
Diagonal 206111592.87065

Cube

Length = n
Surface area 127445966147034150
Volume 3.0957242228001E+24
Space diagonal 252434116.30268

Equilateral Triangle

Length = n
Perimeter 437228715
Area 9.1976203577653E+15
Altitude 126217058.15134

Triangular Pyramid

Length = n
Surface area 9.1976203577653E+15
Volume 3.6483459843756E+23
Height 68703864.290218